diff --git a/bw_interface_schemas/json_schema/edge.json b/bw_interface_schemas/json_schema/edge.json
new file mode 100644
index 0000000..4d800a6
--- /dev/null
+++ b/bw_interface_schemas/json_schema/edge.json
@@ -0,0 +1,353 @@
+{
+  "$defs": {
+    "DataSource": {
+      "additionalProperties": true,
+      "description": "A data source, such as a publication or field measurement.\n\nVery preliminary.",
+      "properties": {
+        "authors": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Authors",
+          "type": "array"
+        },
+        "year": {
+          "title": "Year",
+          "type": "integer"
+        },
+        "title": {
+          "title": "Title",
+          "type": "string"
+        },
+        "doi": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Doi"
+        }
+      },
+      "required": [
+        "authors",
+        "year",
+        "title"
+      ],
+      "title": "DataSource",
+      "type": "object"
+    },
+    "Edge": {
+      "additionalProperties": true,
+      "description": "An quantitative edge linking two nodes in the graph.",
+      "properties": {
+        "amount": {
+          "title": "Amount",
+          "type": "number"
+        },
+        "uncertainty_type": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Uncertainty Type"
+        },
+        "loc": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Loc"
+        },
+        "scale": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Scale"
+        },
+        "shape": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Shape"
+        },
+        "minimum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Minimum"
+        },
+        "maximum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Maximum"
+        },
+        "negative": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Negative"
+        },
+        "type": {
+          "title": "Type",
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/$defs/Node"
+        },
+        "target": {
+          "$ref": "#/$defs/Node"
+        },
+        "properties": {
+          "type": "object",
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "title": "Properties"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        }
+      },
+      "required": [
+        "amount",
+        "type",
+        "source",
+        "target",
+        "properties"
+      ],
+      "title": "Edge",
+      "type": "object"
+    },
+    "JsonValue": {},
+    "Node": {
+      "additionalProperties": true,
+      "properties": {
+        "code": {
+          "title": "Code",
+          "type": "string"
+        },
+        "database": {
+          "title": "Database",
+          "type": "string"
+        },
+        "created": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Created"
+        },
+        "modified": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Modified"
+        },
+        "name": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Name"
+        },
+        "unit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Unit"
+        },
+        "location": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Location"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Type"
+        },
+        "comment": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "additionalProperties": {
+                "type": "string"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Comment"
+        },
+        "filename": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Filename"
+        },
+        "references": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/DataSource"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "References"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        },
+        "exchanges": {
+          "default": [],
+          "items": {
+            "$ref": "#/$defs/Edge"
+          },
+          "title": "Exchanges",
+          "type": "array"
+        }
+      },
+      "required": [
+        "code",
+        "database"
+      ],
+      "title": "Node",
+      "type": "object"
+    }
+  },
+  "allOf": [
+    {
+      "$ref": "#/$defs/Edge"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/bw_interface_schemas/json_schema/elementary_flow.json b/bw_interface_schemas/json_schema/elementary_flow.json
new file mode 100644
index 0000000..2b3d9d2
--- /dev/null
+++ b/bw_interface_schemas/json_schema/elementary_flow.json
@@ -0,0 +1,501 @@
+{
+  "$defs": {
+    "DataSource": {
+      "additionalProperties": true,
+      "description": "A data source, such as a publication or field measurement.\n\nVery preliminary.",
+      "properties": {
+        "authors": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Authors",
+          "type": "array"
+        },
+        "year": {
+          "title": "Year",
+          "type": "integer"
+        },
+        "title": {
+          "title": "Title",
+          "type": "string"
+        },
+        "doi": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Doi"
+        }
+      },
+      "required": [
+        "authors",
+        "year",
+        "title"
+      ],
+      "title": "DataSource",
+      "type": "object"
+    },
+    "Edge": {
+      "additionalProperties": true,
+      "description": "An quantitative edge linking two nodes in the graph.",
+      "properties": {
+        "amount": {
+          "title": "Amount",
+          "type": "number"
+        },
+        "uncertainty_type": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Uncertainty Type"
+        },
+        "loc": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Loc"
+        },
+        "scale": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Scale"
+        },
+        "shape": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Shape"
+        },
+        "minimum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Minimum"
+        },
+        "maximum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Maximum"
+        },
+        "negative": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Negative"
+        },
+        "type": {
+          "title": "Type",
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/$defs/Node"
+        },
+        "target": {
+          "$ref": "#/$defs/Node"
+        },
+        "properties": {
+          "type": "object",
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "title": "Properties"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        }
+      },
+      "required": [
+        "amount",
+        "type",
+        "source",
+        "target",
+        "properties"
+      ],
+      "title": "Edge",
+      "type": "object"
+    },
+    "JsonValue": {},
+    "Node": {
+      "additionalProperties": true,
+      "properties": {
+        "code": {
+          "title": "Code",
+          "type": "string"
+        },
+        "database": {
+          "title": "Database",
+          "type": "string"
+        },
+        "created": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Created"
+        },
+        "modified": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Modified"
+        },
+        "name": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Name"
+        },
+        "unit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Unit"
+        },
+        "location": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Location"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Type"
+        },
+        "comment": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "additionalProperties": {
+                "type": "string"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Comment"
+        },
+        "filename": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Filename"
+        },
+        "references": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/DataSource"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "References"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        },
+        "exchanges": {
+          "default": [],
+          "items": {
+            "$ref": "#/$defs/Edge"
+          },
+          "title": "Exchanges",
+          "type": "array"
+        }
+      },
+      "required": [
+        "code",
+        "database"
+      ],
+      "title": "Node",
+      "type": "object"
+    }
+  },
+  "additionalProperties": true,
+  "properties": {
+    "code": {
+      "title": "Code",
+      "type": "string"
+    },
+    "database": {
+      "title": "Database",
+      "type": "string"
+    },
+    "created": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Created"
+    },
+    "modified": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Modified"
+    },
+    "name": {
+      "title": "Name",
+      "type": "string"
+    },
+    "unit": {
+      "title": "Unit",
+      "type": "string"
+    },
+    "location": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Location"
+    },
+    "type": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Type"
+    },
+    "comment": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Comment"
+    },
+    "filename": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Filename"
+    },
+    "references": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/DataSource"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "References"
+    },
+    "tags": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "$ref": "#/$defs/JsonValue"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Tags"
+    },
+    "exchanges": {
+      "default": [],
+      "items": {
+        "$ref": "#/$defs/Edge"
+      },
+      "title": "Exchanges",
+      "type": "array"
+    },
+    "context": {
+      "items": {
+        "type": "string"
+      },
+      "title": "Context",
+      "type": "array"
+    }
+  },
+  "required": [
+    "code",
+    "database",
+    "name",
+    "unit",
+    "context"
+  ],
+  "title": "ElementaryFlow",
+  "type": "object"
+}
\ No newline at end of file
diff --git a/bw_interface_schemas/json_schema/node.json b/bw_interface_schemas/json_schema/node.json
new file mode 100644
index 0000000..0a7eacc
--- /dev/null
+++ b/bw_interface_schemas/json_schema/node.json
@@ -0,0 +1,353 @@
+{
+  "$defs": {
+    "DataSource": {
+      "additionalProperties": true,
+      "description": "A data source, such as a publication or field measurement.\n\nVery preliminary.",
+      "properties": {
+        "authors": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Authors",
+          "type": "array"
+        },
+        "year": {
+          "title": "Year",
+          "type": "integer"
+        },
+        "title": {
+          "title": "Title",
+          "type": "string"
+        },
+        "doi": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Doi"
+        }
+      },
+      "required": [
+        "authors",
+        "year",
+        "title"
+      ],
+      "title": "DataSource",
+      "type": "object"
+    },
+    "Edge": {
+      "additionalProperties": true,
+      "description": "An quantitative edge linking two nodes in the graph.",
+      "properties": {
+        "amount": {
+          "title": "Amount",
+          "type": "number"
+        },
+        "uncertainty_type": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Uncertainty Type"
+        },
+        "loc": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Loc"
+        },
+        "scale": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Scale"
+        },
+        "shape": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Shape"
+        },
+        "minimum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Minimum"
+        },
+        "maximum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Maximum"
+        },
+        "negative": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Negative"
+        },
+        "type": {
+          "title": "Type",
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/$defs/Node"
+        },
+        "target": {
+          "$ref": "#/$defs/Node"
+        },
+        "properties": {
+          "type": "object",
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "title": "Properties"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        }
+      },
+      "required": [
+        "amount",
+        "type",
+        "source",
+        "target",
+        "properties"
+      ],
+      "title": "Edge",
+      "type": "object"
+    },
+    "JsonValue": {},
+    "Node": {
+      "additionalProperties": true,
+      "properties": {
+        "code": {
+          "title": "Code",
+          "type": "string"
+        },
+        "database": {
+          "title": "Database",
+          "type": "string"
+        },
+        "created": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Created"
+        },
+        "modified": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Modified"
+        },
+        "name": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Name"
+        },
+        "unit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Unit"
+        },
+        "location": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Location"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Type"
+        },
+        "comment": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "additionalProperties": {
+                "type": "string"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Comment"
+        },
+        "filename": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Filename"
+        },
+        "references": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/DataSource"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "References"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        },
+        "exchanges": {
+          "default": [],
+          "items": {
+            "$ref": "#/$defs/Edge"
+          },
+          "title": "Exchanges",
+          "type": "array"
+        }
+      },
+      "required": [
+        "code",
+        "database"
+      ],
+      "title": "Node",
+      "type": "object"
+    }
+  },
+  "allOf": [
+    {
+      "$ref": "#/$defs/Node"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/bw_interface_schemas/json_schema/process.json b/bw_interface_schemas/json_schema/process.json
new file mode 100644
index 0000000..2f323bc
--- /dev/null
+++ b/bw_interface_schemas/json_schema/process.json
@@ -0,0 +1,487 @@
+{
+  "$defs": {
+    "DataSource": {
+      "additionalProperties": true,
+      "description": "A data source, such as a publication or field measurement.\n\nVery preliminary.",
+      "properties": {
+        "authors": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Authors",
+          "type": "array"
+        },
+        "year": {
+          "title": "Year",
+          "type": "integer"
+        },
+        "title": {
+          "title": "Title",
+          "type": "string"
+        },
+        "doi": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Doi"
+        }
+      },
+      "required": [
+        "authors",
+        "year",
+        "title"
+      ],
+      "title": "DataSource",
+      "type": "object"
+    },
+    "Edge": {
+      "additionalProperties": true,
+      "description": "An quantitative edge linking two nodes in the graph.",
+      "properties": {
+        "amount": {
+          "title": "Amount",
+          "type": "number"
+        },
+        "uncertainty_type": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Uncertainty Type"
+        },
+        "loc": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Loc"
+        },
+        "scale": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Scale"
+        },
+        "shape": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Shape"
+        },
+        "minimum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Minimum"
+        },
+        "maximum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Maximum"
+        },
+        "negative": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Negative"
+        },
+        "type": {
+          "title": "Type",
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/$defs/Node"
+        },
+        "target": {
+          "$ref": "#/$defs/Node"
+        },
+        "properties": {
+          "type": "object",
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "title": "Properties"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        }
+      },
+      "required": [
+        "amount",
+        "type",
+        "source",
+        "target",
+        "properties"
+      ],
+      "title": "Edge",
+      "type": "object"
+    },
+    "JsonValue": {},
+    "Node": {
+      "additionalProperties": true,
+      "properties": {
+        "code": {
+          "title": "Code",
+          "type": "string"
+        },
+        "database": {
+          "title": "Database",
+          "type": "string"
+        },
+        "created": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Created"
+        },
+        "modified": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Modified"
+        },
+        "name": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Name"
+        },
+        "unit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Unit"
+        },
+        "location": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Location"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Type"
+        },
+        "comment": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "additionalProperties": {
+                "type": "string"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Comment"
+        },
+        "filename": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Filename"
+        },
+        "references": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/DataSource"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "References"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        },
+        "exchanges": {
+          "default": [],
+          "items": {
+            "$ref": "#/$defs/Edge"
+          },
+          "title": "Exchanges",
+          "type": "array"
+        }
+      },
+      "required": [
+        "code",
+        "database"
+      ],
+      "title": "Node",
+      "type": "object"
+    }
+  },
+  "additionalProperties": true,
+  "description": "A generic process, possibly multi-functional. Does not have a reference product.\n\nOnly difference from `Node` is that some more fields are required.",
+  "properties": {
+    "code": {
+      "title": "Code",
+      "type": "string"
+    },
+    "database": {
+      "title": "Database",
+      "type": "string"
+    },
+    "created": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Created"
+    },
+    "modified": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Modified"
+    },
+    "name": {
+      "title": "Name",
+      "type": "string"
+    },
+    "unit": {
+      "title": "Unit",
+      "type": "string"
+    },
+    "location": {
+      "title": "Location",
+      "type": "string"
+    },
+    "type": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Type"
+    },
+    "comment": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Comment"
+    },
+    "filename": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Filename"
+    },
+    "references": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/DataSource"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "References"
+    },
+    "tags": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "$ref": "#/$defs/JsonValue"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Tags"
+    },
+    "exchanges": {
+      "default": [],
+      "items": {
+        "$ref": "#/$defs/Edge"
+      },
+      "title": "Exchanges",
+      "type": "array"
+    }
+  },
+  "required": [
+    "code",
+    "database",
+    "name",
+    "unit",
+    "location"
+  ],
+  "title": "Process",
+  "type": "object"
+}
\ No newline at end of file
diff --git a/bw_interface_schemas/json_schema/process_with_reference_product.json b/bw_interface_schemas/json_schema/process_with_reference_product.json
new file mode 100644
index 0000000..7a07fce
--- /dev/null
+++ b/bw_interface_schemas/json_schema/process_with_reference_product.json
@@ -0,0 +1,526 @@
+{
+  "$defs": {
+    "DataSource": {
+      "additionalProperties": true,
+      "description": "A data source, such as a publication or field measurement.\n\nVery preliminary.",
+      "properties": {
+        "authors": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Authors",
+          "type": "array"
+        },
+        "year": {
+          "title": "Year",
+          "type": "integer"
+        },
+        "title": {
+          "title": "Title",
+          "type": "string"
+        },
+        "doi": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Doi"
+        }
+      },
+      "required": [
+        "authors",
+        "year",
+        "title"
+      ],
+      "title": "DataSource",
+      "type": "object"
+    },
+    "Edge": {
+      "additionalProperties": true,
+      "description": "An quantitative edge linking two nodes in the graph.",
+      "properties": {
+        "amount": {
+          "title": "Amount",
+          "type": "number"
+        },
+        "uncertainty_type": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Uncertainty Type"
+        },
+        "loc": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Loc"
+        },
+        "scale": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Scale"
+        },
+        "shape": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Shape"
+        },
+        "minimum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Minimum"
+        },
+        "maximum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Maximum"
+        },
+        "negative": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Negative"
+        },
+        "type": {
+          "title": "Type",
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/$defs/Node"
+        },
+        "target": {
+          "$ref": "#/$defs/Node"
+        },
+        "properties": {
+          "type": "object",
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "title": "Properties"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        }
+      },
+      "required": [
+        "amount",
+        "type",
+        "source",
+        "target",
+        "properties"
+      ],
+      "title": "Edge",
+      "type": "object"
+    },
+    "JsonValue": {},
+    "Node": {
+      "additionalProperties": true,
+      "properties": {
+        "code": {
+          "title": "Code",
+          "type": "string"
+        },
+        "database": {
+          "title": "Database",
+          "type": "string"
+        },
+        "created": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Created"
+        },
+        "modified": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Modified"
+        },
+        "name": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Name"
+        },
+        "unit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Unit"
+        },
+        "location": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Location"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Type"
+        },
+        "comment": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "additionalProperties": {
+                "type": "string"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Comment"
+        },
+        "filename": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Filename"
+        },
+        "references": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/DataSource"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "References"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        },
+        "exchanges": {
+          "default": [],
+          "items": {
+            "$ref": "#/$defs/Edge"
+          },
+          "title": "Exchanges",
+          "type": "array"
+        }
+      },
+      "required": [
+        "code",
+        "database"
+      ],
+      "title": "Node",
+      "type": "object"
+    }
+  },
+  "additionalProperties": true,
+  "description": "Chimaera which serves as both a product and a process in the graph.",
+  "properties": {
+    "code": {
+      "title": "Code",
+      "type": "string"
+    },
+    "database": {
+      "title": "Database",
+      "type": "string"
+    },
+    "created": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Created"
+    },
+    "modified": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Modified"
+    },
+    "name": {
+      "title": "Name",
+      "type": "string"
+    },
+    "unit": {
+      "title": "Unit",
+      "type": "string"
+    },
+    "location": {
+      "title": "Location",
+      "type": "string"
+    },
+    "type": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Type"
+    },
+    "comment": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Comment"
+    },
+    "filename": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Filename"
+    },
+    "references": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/DataSource"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "References"
+    },
+    "tags": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "$ref": "#/$defs/JsonValue"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Tags"
+    },
+    "exchanges": {
+      "default": [],
+      "items": {
+        "$ref": "#/$defs/Edge"
+      },
+      "title": "Exchanges",
+      "type": "array"
+    },
+    "reference product": {
+      "title": "Reference Product",
+      "type": "string"
+    },
+    "production_amount": {
+      "anyOf": [
+        {
+          "type": "number"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Production Amount"
+    },
+    "properties": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Properties"
+    }
+  },
+  "required": [
+    "code",
+    "database",
+    "name",
+    "unit",
+    "location",
+    "reference product"
+  ],
+  "title": "ProcessWithReferenceProduct",
+  "type": "object"
+}
\ No newline at end of file
diff --git a/bw_interface_schemas/json_schema/product.json b/bw_interface_schemas/json_schema/product.json
new file mode 100644
index 0000000..affefff
--- /dev/null
+++ b/bw_interface_schemas/json_schema/product.json
@@ -0,0 +1,508 @@
+{
+  "$defs": {
+    "DataSource": {
+      "additionalProperties": true,
+      "description": "A data source, such as a publication or field measurement.\n\nVery preliminary.",
+      "properties": {
+        "authors": {
+          "items": {
+            "type": "string"
+          },
+          "title": "Authors",
+          "type": "array"
+        },
+        "year": {
+          "title": "Year",
+          "type": "integer"
+        },
+        "title": {
+          "title": "Title",
+          "type": "string"
+        },
+        "doi": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Doi"
+        }
+      },
+      "required": [
+        "authors",
+        "year",
+        "title"
+      ],
+      "title": "DataSource",
+      "type": "object"
+    },
+    "Edge": {
+      "additionalProperties": true,
+      "description": "An quantitative edge linking two nodes in the graph.",
+      "properties": {
+        "amount": {
+          "title": "Amount",
+          "type": "number"
+        },
+        "uncertainty_type": {
+          "anyOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Uncertainty Type"
+        },
+        "loc": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Loc"
+        },
+        "scale": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Scale"
+        },
+        "shape": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Shape"
+        },
+        "minimum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Minimum"
+        },
+        "maximum": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Maximum"
+        },
+        "negative": {
+          "anyOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Negative"
+        },
+        "type": {
+          "title": "Type",
+          "type": "string"
+        },
+        "source": {
+          "$ref": "#/$defs/Node"
+        },
+        "target": {
+          "$ref": "#/$defs/Node"
+        },
+        "properties": {
+          "type": "object",
+          "additionalProperties": {
+            "anyOf": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "integer"
+              }
+            ]
+          },
+          "title": "Properties"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        }
+      },
+      "required": [
+        "amount",
+        "type",
+        "source",
+        "target",
+        "properties"
+      ],
+      "title": "Edge",
+      "type": "object"
+    },
+    "JsonValue": {},
+    "Node": {
+      "additionalProperties": true,
+      "properties": {
+        "code": {
+          "title": "Code",
+          "type": "string"
+        },
+        "database": {
+          "title": "Database",
+          "type": "string"
+        },
+        "created": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Created"
+        },
+        "modified": {
+          "anyOf": [
+            {
+              "format": "date-time",
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Modified"
+        },
+        "name": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Name"
+        },
+        "unit": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Unit"
+        },
+        "location": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Location"
+        },
+        "type": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Type"
+        },
+        "comment": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "additionalProperties": {
+                "type": "string"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Comment"
+        },
+        "filename": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Filename"
+        },
+        "references": {
+          "anyOf": [
+            {
+              "items": {
+                "$ref": "#/$defs/DataSource"
+              },
+              "type": "array"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "References"
+        },
+        "tags": {
+          "anyOf": [
+            {
+              "additionalProperties": {
+                "$ref": "#/$defs/JsonValue"
+              },
+              "type": "object"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "default": null,
+          "title": "Tags"
+        },
+        "exchanges": {
+          "default": [],
+          "items": {
+            "$ref": "#/$defs/Edge"
+          },
+          "title": "Exchanges",
+          "type": "array"
+        }
+      },
+      "required": [
+        "code",
+        "database"
+      ],
+      "title": "Node",
+      "type": "object"
+    }
+  },
+  "additionalProperties": true,
+  "properties": {
+    "code": {
+      "title": "Code",
+      "type": "string"
+    },
+    "database": {
+      "title": "Database",
+      "type": "string"
+    },
+    "created": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Created"
+    },
+    "modified": {
+      "anyOf": [
+        {
+          "format": "date-time",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Modified"
+    },
+    "name": {
+      "title": "Name",
+      "type": "string"
+    },
+    "unit": {
+      "title": "Unit",
+      "type": "string"
+    },
+    "location": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Location"
+    },
+    "type": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Type"
+    },
+    "comment": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Comment"
+    },
+    "filename": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Filename"
+    },
+    "references": {
+      "anyOf": [
+        {
+          "items": {
+            "$ref": "#/$defs/DataSource"
+          },
+          "type": "array"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "References"
+    },
+    "tags": {
+      "anyOf": [
+        {
+          "additionalProperties": {
+            "$ref": "#/$defs/JsonValue"
+          },
+          "type": "object"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Tags"
+    },
+    "exchanges": {
+      "default": [],
+      "items": {
+        "$ref": "#/$defs/Edge"
+      },
+      "title": "Exchanges",
+      "type": "array"
+    },
+    "properties": {
+      "type": "object",
+      "additionalProperties": {
+        "anyOf": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "integer"
+          }
+        ]
+      },
+      "title": "Properties"
+    }
+  },
+  "required": [
+    "code",
+    "database",
+    "name",
+    "unit",
+    "properties"
+  ],
+  "title": "Product",
+  "type": "object"
+}
\ No newline at end of file
diff --git a/bw_interface_schemas/lci.py b/bw_interface_schemas/lci.py
index 6ed4b56..6ae29da 100644
--- a/bw_interface_schemas/lci.py
+++ b/bw_interface_schemas/lci.py
@@ -1,3 +1,6 @@
+import json
+import re
+from pathlib import Path
 from typing import Optional, Union
 
 from pydantic import BaseModel, ConfigDict, JsonValue, Field
@@ -112,3 +115,11 @@ class ElementaryFlow(Node):
     context: list[str]
     name: str
     unit: str
+
+
+if __name__ == "__main__":
+    hiss = lambda name: re.sub(r'(?<!^)(?=[A-Z])', '_', name).lower()
+    dirpath = Path(__file__).parent / "json_schema"
+    for cls in (ElementaryFlow, Product, ProcessWithReferenceProduct, Process, Node, Edge):
+        with open(dirpath / (hiss(cls.__name__) + ".json"), "w") as f:
+            json.dump(cls.model_json_schema(), f, indent=2, ensure_ascii=False)