diff --git a/packages/search/src/lib/approaches/approach.ts b/packages/search/src/lib/approaches/approach.ts
index 4f4c7257..4fc97e74 100644
--- a/packages/search/src/lib/approaches/approach.ts
+++ b/packages/search/src/lib/approaches/approach.ts
@@ -5,6 +5,7 @@ export interface ApproachResponse {
     index: number;
     message: ApproachResponseMessage;
   }>;
+  object: 'chat.completion';
 }
 
 export interface ApproachResponseChunk {
@@ -13,6 +14,7 @@ export interface ApproachResponseChunk {
     delta: Partial<ApproachResponseMessage>;
     finish_reason: string | null;
   }>;
+  object: 'chat.completion.chunk';
 }
 
 export type ApproachResponseMessage = Message & {
diff --git a/packages/search/src/lib/approaches/ask-read-retrieve-read.ts b/packages/search/src/lib/approaches/ask-read-retrieve-read.ts
index b5a50ae8..077207c4 100644
--- a/packages/search/src/lib/approaches/ask-read-retrieve-read.ts
+++ b/packages/search/src/lib/approaches/ask-read-retrieve-read.ts
@@ -116,6 +116,7 @@ export class AskReadRetrieveRead extends ApproachBase implements AskApproach {
           },
         },
       ],
+      object: 'chat.completion',
     };
   }
 
diff --git a/packages/search/src/lib/approaches/ask-retrieve-then-read.ts b/packages/search/src/lib/approaches/ask-retrieve-then-read.ts
index 63f87679..63571c5b 100644
--- a/packages/search/src/lib/approaches/ask-retrieve-then-read.ts
+++ b/packages/search/src/lib/approaches/ask-retrieve-then-read.ts
@@ -85,6 +85,7 @@ export class AskRetrieveThenRead extends ApproachBase implements AskApproach {
           },
         },
       ],
+      object: 'chat.completion',
     };
   }
 
diff --git a/packages/search/src/lib/approaches/chat-read-retrieve-read.ts b/packages/search/src/lib/approaches/chat-read-retrieve-read.ts
index c98328b0..428961cd 100644
--- a/packages/search/src/lib/approaches/chat-read-retrieve-read.ts
+++ b/packages/search/src/lib/approaches/chat-read-retrieve-read.ts
@@ -80,6 +80,7 @@ export class ChatReadRetrieveRead extends ApproachBase implements ChatApproach {
           },
         },
       ],
+      object: 'chat.completion',
     };
   }
 
@@ -110,6 +111,7 @@ export class ChatReadRetrieveRead extends ApproachBase implements ChatApproach {
             finish_reason: chunk.choices[0].finish_reason,
           },
         ],
+        object: 'chat.completion.chunk' as const,
       };
       yield responseChunk;
       id++;
diff --git a/packages/search/src/plugins/schemas.ts b/packages/search/src/plugins/schemas.ts
index 9b48418c..a0d0465b 100644
--- a/packages/search/src/plugins/schemas.ts
+++ b/packages/search/src/plugins/schemas.ts
@@ -79,18 +79,23 @@ export const messageSchema = {
 
 export const approachResponseSchema = {
   $id: 'approachResponse',
-  choices: {
-    type: 'array',
-    items: {
-      type: 'object',
-      properties: {
-        index: { type: 'number' },
-        message: { $ref: 'message' },
+  type: 'object',
+  properties: {
+    choices: {
+      type: 'array',
+      items: {
+        type: 'object',
+        properties: {
+          index: { type: 'number' },
+          message: { $ref: 'message' },
+        },
+        required: ['index', 'message'],
+        additionalProperties: false,
       },
-      required: ['index', 'message'],
-      additionalProperties: false,
     },
+    object: { type: 'string' },
   },
+  required: ['choices', 'object'],
 } as const;
 
 export const schemas = [chatRequestSchema, askRequestSchema, messageSchema, approachResponseSchema];