diff --git a/src/server/middleware/open-api.ts b/src/server/middleware/open-api.ts
index 7bb4eb98f..d32143564 100644
--- a/src/server/middleware/open-api.ts
+++ b/src/server/middleware/open-api.ts
@@ -29,6 +29,11 @@ export const withOpenApi = async (server: FastifyInstance) => {
         },
       ],
     },
+    refResolver: {
+      buildLocalReference(json, baseUri, fragment, i) {
+        return json.$id || `def-${i}`;
+      },
+    },
   });
 
   // Exports the /json endpoint without the Swagger UI.
diff --git a/src/server/routes/contract/write/write.ts b/src/server/routes/contract/write/write.ts
index a6033f614..7843bf791 100644
--- a/src/server/routes/contract/write/write.ts
+++ b/src/server/routes/contract/write/write.ts
@@ -29,7 +29,31 @@ const writeRequestBodySchema = Type.Object({
     description: "The arguments to call on the function",
   }),
   ...txOverridesWithValueSchema.properties,
-  abi: Type.Optional(Type.Array(abiSchema)),
+  abi: Type.Optional(Type.Array(Type.Object({
+    type: Type.String(),
+    name: Type.Optional(Type.String()),
+    inputs: Type.Optional(Type.Array(Type.Object({
+      type: Type.Optional(Type.String()),
+      name: Type.Optional(Type.String()),
+      stateMutability: Type.Optional(Type.String()),
+      components: Type.Optional(Type.Array(Type.Object({
+        type: Type.Optional(Type.String()),
+        name: Type.Optional(Type.String()),
+        internalType: Type.Optional(Type.String()),
+      }))),
+    }))),
+    outputs: Type.Optional(Type.Array(Type.Object({
+      type: Type.Optional(Type.String()),
+      name: Type.Optional(Type.String()),
+      stateMutability: Type.Optional(Type.String()),
+      components: Type.Optional(Type.Array(Type.Object({
+        type: Type.Optional(Type.String()),
+        name: Type.Optional(Type.String()),
+        internalType: Type.Optional(Type.String()),
+      }))),
+    }))),
+    stateMutability: Type.Optional(Type.String()),
+  }))),
 });
 
 // LOGIC
diff --git a/src/server/schemas/contract/index.ts b/src/server/schemas/contract/index.ts
index 243b876d6..e70d70e3e 100644
--- a/src/server/schemas/contract/index.ts
+++ b/src/server/schemas/contract/index.ts
@@ -17,6 +17,9 @@ export const readRequestQuerySchema = Type.Object({
   ),
 });
 
+//make the type interface support a generic dictionary
+export interface readResponseSchema {}
+
 export interface readSchema extends contractSchemaTypes {
   Querystring: Static<typeof readRequestQuerySchema>;
 }