diff --git a/api/__pycache__/settings.cpython-313.pyc b/api/__pycache__/settings.cpython-313.pyc
index b7a561a3..5093dd99 100644
Binary files a/api/__pycache__/settings.cpython-313.pyc and b/api/__pycache__/settings.cpython-313.pyc differ
diff --git a/app/__pycache__/workflow_actions.cpython-313.pyc b/app/__pycache__/workflow_actions.cpython-313.pyc
index 3ca77f35..c88ebb8c 100644
Binary files a/app/__pycache__/workflow_actions.cpython-313.pyc and b/app/__pycache__/workflow_actions.cpython-313.pyc differ
diff --git a/app/workflow_actions.py b/app/workflow_actions.py
index 8edd251e..ff6476ad 100644
--- a/app/workflow_actions.py
+++ b/app/workflow_actions.py
@@ -86,6 +86,25 @@ def handle_map_expression(expression, context):
 # ============================
 # CRUD thông qua API có sẵn
 # ============================
+def deep_resolve_values(data, context):
+    if isinstance(data, dict):
+        return {k: deep_resolve_values(v, context) for k, v in data.items()}
+    elif isinstance(data, list):
+        return [deep_resolve_values(item, context) for item in data]
+    elif isinstance(data, str):
+        # Workaround for resolver bug: handle strings that are only a placeholder
+        match = re.fullmatch(r"\{([^}]+)\}", data)
+        if match:
+            # The path is the content inside the braces, e.g., "transaction_detail.id"
+            path = match.group(1)
+            # resolve_value works on raw paths, so call it directly
+            return resolve_value(path, context)
+        else:
+            # This handles complex strings like "/prefix/{path}/" or normal strings
+            return resolve_value(data, context)
+    else:
+        return data
+
 @register_action("API_CALL", schema={"required": ["method", "url"]})
 def api_call_action(params, context):
     """Thực hiện gọi API nội bộ bằng Django Test Client"""
@@ -99,7 +118,7 @@ def api_call_action(params, context):
     if isinstance(raw_body, str) and raw_body.startswith("$map"):
         body = handle_map_expression(raw_body, context)
     elif isinstance(raw_body, dict):
-        body = {k: resolve_value(v, context) for k, v in raw_body.items()}
+        body = deep_resolve_values(raw_body, context)
     else:
         body = resolve_value(raw_body, context)
 
@@ -115,10 +134,15 @@ def api_call_action(params, context):
     else:
         resp = client.get(url)
 
+    print(f"      [API_CALL] Status Code: {resp.status_code}")
+
     if resp.status_code >= 400:
-        raise Exception(f"API Call failed: {resp.content.decode('utf-8')}")
+        error_content = resp.content.decode('utf-8')
+        print(f"      [API_CALL] Error: {error_content}")
+        raise Exception(f"API Call failed: {error_content}")
 
     result = resp.json()
+    print(f"      [API_CALL] Result: {result}")
     if save_as:
         context[save_as] = result
     return result