diff --git a/src/PackageRegistryService/Data/DataInitializer.cs b/src/PackageRegistryService/Data/DataInitializer.cs
index 5809fe6..4cf4369 100644
--- a/src/PackageRegistryService/Data/DataInitializer.cs
+++ b/src/PackageRegistryService/Data/DataInitializer.cs
@@ -51,7 +51,8 @@ public static void SeedData(ValidationPackageDb context)
                                 ReleaseDate = new(i.LastUpdated.Year, i.LastUpdated.Month, i.LastUpdated.Day),
                                 Tags = i.Metadata.Tags,
                                 ReleaseNotes = i.Metadata.ReleaseNotes,
-                                Authors = i.Metadata.Authors
+                                Authors = i.Metadata.Authors,
+                                CQCHookEndpoint = i.Metadata.CQCHookEndpoint
                             };
                         });
 
diff --git a/src/PackageRegistryService/Migrations/20240611124347_addHookEndpoint.Designer.cs b/src/PackageRegistryService/Migrations/20240611124347_addHookEndpoint.Designer.cs
new file mode 100644
index 0000000..30def5b
--- /dev/null
+++ b/src/PackageRegistryService/Migrations/20240611124347_addHookEndpoint.Designer.cs
@@ -0,0 +1,199 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PackageRegistryService.Models;
+
+#nullable disable
+
+namespace PackageRegistryService.Migrations
+{
+    [DbContext(typeof(ValidationPackageDb))]
+    [Migration("20240611124347_addHookEndpoint")]
+    partial class addHookEndpoint
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.1")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PackageRegistryService.Models.PackageContentHash", b =>
+                {
+                    b.Property<string>("PackageName")
+                        .HasColumnType("text");
+
+                    b.Property<int>("PackageMajorVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PackageMinorVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PackagePatchVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Hash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("PackageName", "PackageMajorVersion", "PackageMinorVersion", "PackagePatchVersion");
+
+                    b.ToTable("Hashes");
+                });
+
+            modelBuilder.Entity("PackageRegistryService.Models.PackageDownloads", b =>
+                {
+                    b.Property<string>("PackageName")
+                        .HasColumnType("text");
+
+                    b.Property<int>("PackageMajorVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PackageMinorVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PackagePatchVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Downloads")
+                        .HasColumnType("integer");
+
+                    b.HasKey("PackageName", "PackageMajorVersion", "PackageMinorVersion", "PackagePatchVersion");
+
+                    b.ToTable("Downloads");
+                });
+
+            modelBuilder.Entity("PackageRegistryService.Models.ValidationPackage", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<int>("MajorVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("MinorVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PatchVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("CQCHookEndpoint")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<byte[]>("PackageContent")
+                        .IsRequired()
+                        .HasColumnType("bytea");
+
+                    b.Property<DateOnly>("ReleaseDate")
+                        .HasColumnType("date");
+
+                    b.Property<string>("ReleaseNotes")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Summary")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Name", "MajorVersion", "MinorVersion", "PatchVersion");
+
+                    b.ToTable("ValidationPackages");
+                });
+
+            modelBuilder.Entity("PackageRegistryService.Models.ValidationPackage", b =>
+                {
+                    b.OwnsMany("AVPRIndex.Domain+Author", "Authors", b1 =>
+                        {
+                            b1.Property<string>("ValidationPackageName")
+                                .HasColumnType("text");
+
+                            b1.Property<int>("ValidationPackageMajorVersion")
+                                .HasColumnType("integer");
+
+                            b1.Property<int>("ValidationPackageMinorVersion")
+                                .HasColumnType("integer");
+
+                            b1.Property<int>("ValidationPackagePatchVersion")
+                                .HasColumnType("integer");
+
+                            b1.Property<int>("Id")
+                                .ValueGeneratedOnAdd()
+                                .HasColumnType("integer");
+
+                            b1.Property<string>("Affiliation")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("AffiliationLink")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("Email")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("FullName")
+                                .HasColumnType("text");
+
+                            b1.HasKey("ValidationPackageName", "ValidationPackageMajorVersion", "ValidationPackageMinorVersion", "ValidationPackagePatchVersion", "Id");
+
+                            b1.ToTable("ValidationPackages");
+
+                            b1.ToJson("Authors");
+
+                            b1.WithOwner()
+                                .HasForeignKey("ValidationPackageName", "ValidationPackageMajorVersion", "ValidationPackageMinorVersion", "ValidationPackagePatchVersion");
+                        });
+
+                    b.OwnsMany("AVPRIndex.Domain+OntologyAnnotation", "Tags", b1 =>
+                        {
+                            b1.Property<string>("ValidationPackageName")
+                                .HasColumnType("text");
+
+                            b1.Property<int>("ValidationPackageMajorVersion")
+                                .HasColumnType("integer");
+
+                            b1.Property<int>("ValidationPackageMinorVersion")
+                                .HasColumnType("integer");
+
+                            b1.Property<int>("ValidationPackagePatchVersion")
+                                .HasColumnType("integer");
+
+                            b1.Property<int>("Id")
+                                .ValueGeneratedOnAdd()
+                                .HasColumnType("integer");
+
+                            b1.Property<string>("Name")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("TermAccessionNumber")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("TermSourceREF")
+                                .HasColumnType("text");
+
+                            b1.HasKey("ValidationPackageName", "ValidationPackageMajorVersion", "ValidationPackageMinorVersion", "ValidationPackagePatchVersion", "Id");
+
+                            b1.ToTable("ValidationPackages");
+
+                            b1.ToJson("Tags");
+
+                            b1.WithOwner()
+                                .HasForeignKey("ValidationPackageName", "ValidationPackageMajorVersion", "ValidationPackageMinorVersion", "ValidationPackagePatchVersion");
+                        });
+
+                    b.Navigation("Authors");
+
+                    b.Navigation("Tags");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/PackageRegistryService/Migrations/20240611124347_addHookEndpoint.cs b/src/PackageRegistryService/Migrations/20240611124347_addHookEndpoint.cs
new file mode 100644
index 0000000..f1ff710
--- /dev/null
+++ b/src/PackageRegistryService/Migrations/20240611124347_addHookEndpoint.cs
@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PackageRegistryService.Migrations
+{
+    /// <inheritdoc />
+    public partial class addHookEndpoint : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "CQCHookEndpoint",
+                table: "ValidationPackages",
+                type: "text",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "CQCHookEndpoint",
+                table: "ValidationPackages");
+        }
+    }
+}
diff --git a/src/PackageRegistryService/Migrations/ValidationPackageDbModelSnapshot.cs b/src/PackageRegistryService/Migrations/ValidationPackageDbModelSnapshot.cs
index 846eeff..365d409 100644
--- a/src/PackageRegistryService/Migrations/ValidationPackageDbModelSnapshot.cs
+++ b/src/PackageRegistryService/Migrations/ValidationPackageDbModelSnapshot.cs
@@ -81,6 +81,9 @@ protected override void BuildModel(ModelBuilder modelBuilder)
                     b.Property<int>("PatchVersion")
                         .HasColumnType("integer");
 
+                    b.Property<string>("CQCHookEndpoint")
+                        .HasColumnType("text");
+
                     b.Property<string>("Description")
                         .IsRequired()
                         .HasColumnType("text");
diff --git a/src/PackageRegistryService/Models/ValidationPackage.cs b/src/PackageRegistryService/Models/ValidationPackage.cs
index fa7d2fe..0f478f0 100644
--- a/src/PackageRegistryService/Models/ValidationPackage.cs
+++ b/src/PackageRegistryService/Models/ValidationPackage.cs
@@ -72,6 +72,10 @@ public class ValidationPackage
         /// <summary>
         /// 
         /// </summary>
+        public string? CQCHookEndpoint { get; set; }
+        /// <summary>
+        /// 
+        /// </summary>
         public ICollection<AVPRIndex.Domain.Author>? Authors { get; set; } // https://www.learnentityframeworkcore.com/relationships#navigation-properties
         /// <summary>
         ///