diff --git a/spec/general/interfaces/endpoints.tsp b/spec/general/interfaces/endpoints.tsp
new file mode 100644
index 0000000..d70a490
--- /dev/null
+++ b/spec/general/interfaces/endpoints.tsp
@@ -0,0 +1,75 @@
+import "@typespec/http";
+import "../../models/errors.tsp";
+import "../types/id.tsp";
+
+using TypeSpec.Http;
+
+interface GeneralCRUD<T> {
+  @post
+  create(
+    @header
+    contentType: "application/json",
+
+    @body body: {
+      value: T;
+    },
+  ): {
+    @statusCode statusCode: 201;
+    @header Location: string;
+  } | {
+    @statusCode statusCode: 400 | 401 | 403 | 500;
+    @body body: Error;
+  };
+
+  @get
+  get(
+    @header
+    contentType: "application/json",
+
+    @body body: {
+      id: ID<T>;
+    },
+  ): {
+    @statusCode statusCode: 200;
+    @body body: T;
+  } | {
+    @statusCode statusCode: 400 | 401 | 403 | 404 | 500;
+    @body body: Error;
+  };
+
+  @get
+  list(): {
+    @statusCode statusCode: 200;
+    @body body: T[];
+  } | {
+    @statusCode statusCode: 400 | 401 | 403 | 500;
+    @body body: Error;
+  };
+
+  @patch
+  update(
+    @header
+    contentType: "application/json",
+
+    @body body: T,
+  ): {
+    @statusCode statusCode: 200;
+    @body body: T;
+  } | {
+    @statusCode statusCode: 400 | 401 | 403 | 404 | 500;
+    @body body: Error;
+  };
+
+  @delete
+  delete(
+    @header
+    contentType: "application/json",
+
+    @body body: ID<T>,
+  ): {
+    @statusCode statusCode: 204;
+  } | {
+    @statusCode statusCode: 400 | 401 | 403 | 500;
+    @body body: Error;
+  };
+}