diff --git a/.chronus/changes/fix-bulletpointsmodel-api-2025-12-12-07-23-18.md b/.chronus/changes/fix-bulletpointsmodel-api-2025-12-12-07-23-18.md
new file mode 100644
index 00000000000..18d2a37a591
--- /dev/null
+++ b/.chronus/changes/fix-bulletpointsmodel-api-2025-12-12-07-23-18.md
@@ -0,0 +1,7 @@
+---
+changeKind: fix
+packages:
+  - "@typespec/http-specs"
+---
+
+Fix bulletPointsModel API signature to match runtime behavior - changed response type to OkResponse and updated request body structure
diff --git a/packages/http-specs/specs/documentation/main.tsp b/packages/http-specs/specs/documentation/main.tsp
index 93808f9d1ba..14a3f6cd5ee 100644
--- a/packages/http-specs/specs/documentation/main.tsp
+++ b/packages/http-specs/specs/documentation/main.tsp
@@ -87,13 +87,13 @@ namespace Lists {
     Expected input:
     ```json
     {
-      "prop": "Simple"
+      "input": {"prop": "Simple"}
     }
     ```
     """)
   @post
   @route("/bullet-points/model")
-  op bulletPointsModel(input: BulletPointsModel): NoContentResponse;
+  op bulletPointsModel(input: BulletPointsModel): OkResponse;
 
   /**
    * Steps to follow:
diff --git a/packages/http-specs/specs/documentation/mockapi.ts b/packages/http-specs/specs/documentation/mockapi.ts
index 446aac99f36..fee29a156cb 100644
--- a/packages/http-specs/specs/documentation/mockapi.ts
+++ b/packages/http-specs/specs/documentation/mockapi.ts
@@ -37,7 +37,9 @@ Scenarios.Documentation_Lists_bulletPointsOp = createGetServerTests(
 Scenarios.Documentation_Lists_bulletPointsModel = createPostServerTests(
   "/documentation/lists/bullet-points/model",
   {
-    prop: "Simple",
+    input: {
+      prop: "Simple",
+    },
   },
 );