fix: fixes api request custom component

src/backend/base/langflow/components/data/APIRequest.py

@@ -111,10 +111,17 @@ async def make_request(
         if method not in ["GET", "POST", "PATCH", "PUT", "DELETE"]:
             raise ValueError(f"Unsupported method: {method}")
 
+        if isinstance(body, str):
+            try:
+                body = json.loads(body)
+            except Exception as e:
+                logger.error(f"Error decoding JSON data: {e}")
+                body = None
+
         data = body if body else None
-        payload = json.dumps(data) if data else None
+
         try:
-            response = await client.request(method, url, headers=headers, content=payload, timeout=timeout)
+            response = await client.request(method, url, headers=headers, json=data, timeout=timeout)
             try:
                 result = response.json()
             except Exception:

src/backend/base/langflow/graph/vertex/base.py

@@ -280,7 +280,12 @@ def _build_params(self):
                         # we don't know the key of the dict but we need to set the value
                         # to the vertex that is the source of the edge
                         param_dict = template_dict[param_key]["value"]
-                        params[param_key] = {key: self.graph.get_vertex(edge.source_id) for key in param_dict.keys()}
+                        if param_dict:
+                            params[param_key] = {
+                                key: self.graph.get_vertex(edge.source_id) for key in param_dict.keys()
+                            }
+                        else:
+                            params[param_key] = self.graph.get_vertex(edge.source_id)
                     else:
                         params[param_key] = self.graph.get_vertex(edge.source_id)
 

src/backend/base/langflow/inputs/inputs.py

@@ -253,7 +253,7 @@ class NestedDictInput(BaseInputMixin, ListableInputMixin, MetadataTraceMixin, In
     """
 
     field_type: Optional[SerializableFieldTypes] = FieldTypes.NESTED_DICT
-    value: Optional[dict] = {}
+    value: Optional[dict | Data] = {}
 
 
 class DictInput(BaseInputMixin, ListableInputMixin, InputTraceMixin):