diff --git a/packages/dashboard/src/api.js b/packages/dashboard/src/api.js
index 6c9234c..8f31e7a 100644
--- a/packages/dashboard/src/api.js
+++ b/packages/dashboard/src/api.js
@@ -119,6 +119,7 @@ const apiHandler = {
       params: {
         delimiter: '/',
         prefix: encodeKey(prefix)
+        // limit: 1000  TODO: only use this parameter on 1.0.3 or above
       }
     })
 
diff --git a/worker/package-lock.json b/worker/package-lock.json
index 456e086..6cd2b5d 100644
--- a/worker/package-lock.json
+++ b/worker/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.1",
       "license": "MIT",
       "dependencies": {
-        "@cloudflare/itty-router-openapi": "^1.0.1",
+        "@cloudflare/itty-router-openapi": "^1.0.3",
         "postal-mime": "^1.0.16"
       },
       "bin": {
@@ -58,9 +58,9 @@
       }
     },
     "node_modules/@cloudflare/itty-router-openapi": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/itty-router-openapi/-/itty-router-openapi-1.0.1.tgz",
-      "integrity": "sha512-6qGUraCHdx/8/S2LZ4wziidd8POWEqID5yPVmxnN5NlSIvw6bqXjgh2LF+Ev21YKkHnoA6w01zEVvgTUg7qJsA==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@cloudflare/itty-router-openapi/-/itty-router-openapi-1.0.3.tgz",
+      "integrity": "sha512-lNsxqJ+qrk6VPIWZ9FssHnDyPXvk12FAeqdsSCqTk1AI5OIq4DBAOl/JNsc7AN1JrGcvfm31zCSZ6oo8OXNaJA==",
       "dependencies": {
         "@asteasolutions/zod-to-openapi": "^5.3.1",
         "itty-router": "^4.0.22",
diff --git a/worker/package.json b/worker/package.json
index 60b2526..9f57227 100644
--- a/worker/package.json
+++ b/worker/package.json
@@ -95,7 +95,7 @@
     "wrangler": "^3.6.0"
   },
   "dependencies": {
-    "@cloudflare/itty-router-openapi": "^1.0.1",
+    "@cloudflare/itty-router-openapi": "^1.0.3",
     "postal-mime": "^1.0.16"
   },
   "bin": {
diff --git a/worker/src/buckets/api/createFolder.ts b/worker/src/buckets/api/createFolder.ts
index 7efe767..c1240d0 100644
--- a/worker/src/buckets/api/createFolder.ts
+++ b/worker/src/buckets/api/createFolder.ts
@@ -12,7 +12,7 @@ export class CreateFolder extends OpenAPIRoute {
       bucket: Path(String),
     },
     requestBody: {
-      key: z.string().optional().describe('base64 encoded file key'),
+      key: z.string().describe('base64 encoded file key'),
     }
   }
 
diff --git a/worker/src/buckets/api/deleteObject.ts b/worker/src/buckets/api/deleteObject.ts
index 4d6b109..64c46df 100644
--- a/worker/src/buckets/api/deleteObject.ts
+++ b/worker/src/buckets/api/deleteObject.ts
@@ -12,7 +12,7 @@ export class DeleteObject extends OpenAPIRoute {
       bucket: Path(String),
     },
     requestBody: {
-      key: z.string().optional().describe('base64 encoded file key'),
+      key: z.string().describe('base64 encoded file key'),
     }
   }
 
diff --git a/worker/src/buckets/api/getObject.ts b/worker/src/buckets/api/getObject.ts
index 4b3530f..3e4b362 100644
--- a/worker/src/buckets/api/getObject.ts
+++ b/worker/src/buckets/api/getObject.ts
@@ -10,7 +10,7 @@ export class GetObject extends OpenAPIRoute {
     summary: 'Get Object',
     parameters: {
       bucket: Path(String),
-      key: Path(z.string().optional().describe('base64 encoded file key')),
+      key: Path(z.string().describe('base64 encoded file key')),
     },
     responses: {
       '200': {
diff --git a/worker/src/buckets/api/headObject.ts b/worker/src/buckets/api/headObject.ts
index 71f976c..d49ea84 100644
--- a/worker/src/buckets/api/headObject.ts
+++ b/worker/src/buckets/api/headObject.ts
@@ -10,7 +10,7 @@ export class HeadObject extends OpenAPIRoute {
     summary: 'Get Object',
     parameters: {
       bucket: Path(String),
-      key: Query(z.string().optional().describe('base64 encoded file key')),
+      key: Query(z.string().describe('base64 encoded file key')),
     },
   }
 
diff --git a/worker/src/buckets/api/listObjects.ts b/worker/src/buckets/api/listObjects.ts
index b3e7a07..c3cdc8f 100644
--- a/worker/src/buckets/api/listObjects.ts
+++ b/worker/src/buckets/api/listObjects.ts
@@ -1,4 +1,4 @@
-import {OpenAPIRoute, Path, Query} from "@cloudflare/itty-router-openapi";
+import { OpenAPIRoute, Path, Query } from "@cloudflare/itty-router-openapi";
 import {Context} from "../../interfaces";
 import {OpenAPIRouteSchema} from "@cloudflare/itty-router-openapi/dist/src/types";
 import {z} from 'zod'
@@ -10,7 +10,7 @@ export class ListObjects extends OpenAPIRoute {
     summary: 'List objects',
     parameters: {
       bucket: Path(String),
-      limit: Query(z.number().optional()),
+      limit: Query(Number, {required: false}),
       prefix: Query(z.string().optional().describe('base64 encoded prefix'),),
       cursor: Query(z.string().optional()),
       delimiter: Query(z.string().optional()),
diff --git a/worker/src/buckets/api/moveObject.ts b/worker/src/buckets/api/moveObject.ts
index a419185..d5c5bcb 100644
--- a/worker/src/buckets/api/moveObject.ts
+++ b/worker/src/buckets/api/moveObject.ts
@@ -12,8 +12,8 @@ export class MoveObject extends OpenAPIRoute {
       bucket: Path(String),
     },
     requestBody: {
-      oldKey: z.string().optional().describe('base64 encoded file key'),
-      newKey: z.string().optional().describe('base64 encoded file key'),
+      oldKey: z.string().describe('base64 encoded file key'),
+      newKey: z.string().describe('base64 encoded file key'),
     }
   }
 
diff --git a/worker/src/buckets/api/multipart/completeUpload.ts b/worker/src/buckets/api/multipart/completeUpload.ts
index 5e05c85..93ebeed 100644
--- a/worker/src/buckets/api/multipart/completeUpload.ts
+++ b/worker/src/buckets/api/multipart/completeUpload.ts
@@ -13,7 +13,7 @@ export class CompleteUpload extends OpenAPIRoute {
     },
     requestBody: {
       uploadId: String,
-      key: z.string().optional().describe('base64 encoded file key'),
+      key: z.string().describe('base64 encoded file key'),
       parts: [{
         etag: String,
         partNumber: Int
diff --git a/worker/src/buckets/api/multipart/createUpload.ts b/worker/src/buckets/api/multipart/createUpload.ts
index e6ee569..f60c107 100644
--- a/worker/src/buckets/api/multipart/createUpload.ts
+++ b/worker/src/buckets/api/multipart/createUpload.ts
@@ -10,7 +10,7 @@ export class CreateUpload extends OpenAPIRoute {
     summary: 'Create upload',
     parameters: {
       bucket: Path(String),
-      key: Query(z.string().optional().describe('base64 encoded file key')),
+      key: Query(z.string().describe('base64 encoded file key')),
       customMetadata: Query(z.string().optional().describe('base64 encoded json string')),
       httpMetadata: Query(z.string().optional().describe('base64 encoded json string')),
     }
diff --git a/worker/src/buckets/api/multipart/partUpload.ts b/worker/src/buckets/api/multipart/partUpload.ts
index ba7d4a1..140aaf2 100644
--- a/worker/src/buckets/api/multipart/partUpload.ts
+++ b/worker/src/buckets/api/multipart/partUpload.ts
@@ -1,4 +1,4 @@
-import {Int, OpenAPIRoute, Path, Query} from "@cloudflare/itty-router-openapi";
+import { Int, OpenAPIRoute, Path, Query, RequestBody } from "@cloudflare/itty-router-openapi";
 import {Context} from "../../../interfaces";
 import {OpenAPIRouteSchema} from "@cloudflare/itty-router-openapi/dist/src/types";
 import {z} from "zod";
@@ -8,9 +8,19 @@ export class PartUpload extends OpenAPIRoute {
     operationId: 'post-multipart-part-upload',
     tags: ['Multipart'],
     summary: 'Part upload',
+    requestBody: new RequestBody({
+        content: {
+            'application/octet-stream': {
+                schema: {
+                    type: 'string',
+                    format: 'binary',
+                },
+            },
+        },
+    }),
     parameters: {
       bucket: Path(String),
-      key: Query(z.string().optional().describe('base64 encoded file key')),
+      key: Query(z.string().describe('base64 encoded file key')),
       uploadId: Query(String),
       partNumber: Query(Int),
     }
diff --git a/worker/src/buckets/api/putObject.ts b/worker/src/buckets/api/putObject.ts
index 96775ea..0834e9a 100644
--- a/worker/src/buckets/api/putObject.ts
+++ b/worker/src/buckets/api/putObject.ts
@@ -1,4 +1,4 @@
-import {OpenAPIRoute, Path, Query} from "@cloudflare/itty-router-openapi";
+import { OpenAPIRoute, Path, Query, RequestBody } from "@cloudflare/itty-router-openapi";
 import {Context} from "../../interfaces";
 import {OpenAPIRouteSchema} from "@cloudflare/itty-router-openapi/dist/src/types";
 import {z} from 'zod'
@@ -8,9 +8,19 @@ export class PutObject extends OpenAPIRoute {
     operationId: 'post-bucket-upload-object',
     tags: ['Buckets'],
     summary: 'Upload object',
+    requestBody: new RequestBody({
+        content: {
+            'application/octet-stream': {
+                schema: {
+                    type: 'string',
+                    format: 'binary',
+                },
+            },
+        },
+    }),
     parameters: {
       bucket: Path(String),
-      key: Query(z.string().optional().describe('base64 encoded file key')),
+      key: Query(z.string().describe('base64 encoded file key')),
       customMetadata: Query(z.string().optional().describe('base64 encoded json string')),
       httpMetadata: Query(z.string().optional().describe('base64 encoded json string')),
     },