diff --git a/api/dev/lint_response_contracts.py b/api/dev/lint_response_contracts.py
index 77a2d2dc818..6cfc1c6b446 100644
--- a/api/dev/lint_response_contracts.py
+++ b/api/dev/lint_response_contracts.py
@@ -595,9 +595,15 @@ def line_has_ignore_marker(line: str) -> bool:
     return any(ignore_marker in normalized for ignore_marker in IGNORE_COMMENT_MARKERS)
 
 
+def node_ignore_scan_end_lineno(node: ast.ClassDef | MethodNode) -> int:
+    if isinstance(node, ast.ClassDef):
+        return node.lineno
+    return node.end_lineno or node.lineno
+
+
 def node_has_ignore_comment(lines: Sequence[str], node: ast.ClassDef | MethodNode) -> bool:
     start = node_start_lineno(node)
-    end = node.end_lineno or node.lineno
+    end = node_ignore_scan_end_lineno(node)
     if any(line_has_ignore_marker(line) for line in lines[start - 1 : end]):
         return True
 
diff --git a/api/tests/unit_tests/commands/test_lint_response_contracts.py b/api/tests/unit_tests/commands/test_lint_response_contracts.py
index 68c4cbf966e..17f3156d127 100644
--- a/api/tests/unit_tests/commands/test_lint_response_contracts.py
+++ b/api/tests/unit_tests/commands/test_lint_response_contracts.py
@@ -168,6 +168,29 @@ class RegularApi(Resource):
     assert checks[0].classification == "valid"
 
 
+def test_method_ignore_comment_does_not_skip_sibling_methods(tmp_path: Path):
+    checks = _checks_for_source(
+        tmp_path,
+        """
+@ns.route("/mixed")
+class MixedApi(Resource):
+    # response-contract:ignore binary response
+    @ns.response(200, "Binary file")
+    def get(self):
+        return send_file(path)
+
+    @ns.response(200, "OK", ns.models[RegularResponse.__name__])
+    def post(self):
+        return dump_response(RegularResponse, {})
+""",
+    )
+
+    assert len(checks) == 1
+    assert checks[0].class_name == "MixedApi"
+    assert checks[0].method == "post"
+    assert checks[0].classification == "valid"
+
+
 def test_main_is_report_only_by_default_for_mismatches(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
     module = _load_lint_response_contracts_module()
     controller_path = tmp_path / "controllers" / "sample.py"
diff --git a/packages/contracts/openapi-ts.api.config.ts b/packages/contracts/openapi-ts.api.config.ts
index 1adbf4fda8e..99e1f79ee2b 100644
--- a/packages/contracts/openapi-ts.api.config.ts
+++ b/packages/contracts/openapi-ts.api.config.ts
@@ -63,15 +63,6 @@ const operationMethods = new Set(['delete', 'get', 'patch', 'post', 'put'])
 const pydanticDecimalStringPattern = '^(?!^[-+.]*$)[+-]?0*\\d*\\.?\\d*$'
 const codegenSafeDecimalStringPattern = '^(?![-+.]*$)[+-]?0*\\d*\\.?\\d*$'
 
-const opaqueJsonContent = (): Record<string, OpenApiMediaType> => ({
-  'application/json': {
-    schema: {
-      additionalProperties: true,
-      type: 'object',
-    },
-  },
-})
-
 const apiSpecs: ApiSpec[] = [
   { filename: 'console-openapi.json', name: 'console' },
   { filename: 'web-openapi.json', name: 'web' },
@@ -201,42 +192,49 @@ const addOperationIds = (document: SwaggerDocument) => {
   }
 }
 
-const isOpaqueContractResponse = (response: OpenApiResponse) => {
-  const content = response.content
-  if (!isObject(content))
-    return false
-
-  return Object.entries(content).some(([mediaType, media]) => {
-    if (!isObject(media))
-      return false
-
-    return (mediaType === 'application/json' || mediaType === 'text/event-stream') && !('schema' in media)
-  })
-}
-
-const hasOpaqueContractSuccessResponse = (operation: SwaggerOperation) => {
-  return Object.entries(operation.responses ?? {}).some(([status, response]) => {
-    return /^2\d\d$/.test(status) && isObject(response) && isOpaqueContractResponse(response)
-  })
-}
-
 const normalizeOpaqueContractResponses = (document: SwaggerDocument) => {
-  // Some backend endpoints has no schema (e.g. external) and will trap heyapi here
-  // So we forge an opaque schema here
+  // This runs before contract filtering. Flask-RESTX often emits plain success responses
+  // without a body schema; give those routes an opaque output so they stay in oRPC.
   for (const pathItem of Object.values(document.paths ?? {})) {
     for (const [method, operation] of Object.entries(pathItem)) {
       if (!operationMethods.has(method) || !isObject(operation))
         continue
 
       const swaggerOperation = operation as SwaggerOperation
-      if (!hasOpaqueContractSuccessResponse(swaggerOperation))
-        continue
+      for (const [status, response] of Object.entries(swaggerOperation.responses ?? {})) {
+        // Ignore non-2xx or 204 or those w/o a response field
+        if (!/^2\d\d$/.test(status) || status === '204' || !isObject(response))
+          continue
 
-      Object.values(swaggerOperation.responses ?? {})
-        .filter(response => isObject(response) && isOpaqueContractResponse(response))
-        .forEach((response) => {
-          response.content = opaqueJsonContent()
-        })
+        const content = response.content
+        if (!isObject(content) || Object.keys(content).length === 0) {
+          // No response specification, fill a dummy opaque resp
+          response.content = {
+            'application/json': {
+              schema: {
+                additionalProperties: true,
+                type: 'object',
+              },
+            },
+          }
+          continue
+        }
+
+        for (const [mediaType, media] of Object.entries(content)) {
+          if (mediaType !== 'application/json' && mediaType !== 'text/event-stream')
+            continue
+          if (!isObject(media) || isObject(media.schema))
+            continue
+
+          // JSON/SSE media without a schema traps heyapi. Patch only that media entry so
+          // sibling binary media keeps heyapi's Blob | File inference.
+          // Still a dummy opaque resp
+          media.schema = {
+            additionalProperties: true,
+            type: 'object',
+          }
+        }
+      }
     }
   }
 }