diff --git a/configs/agents/openai-chat.yaml b/configs/agents/openai-chat.yaml
index 53eff77d..a11d217f 100644
--- a/configs/agents/openai-chat.yaml
+++ b/configs/agents/openai-chat.yaml
@@ -3,7 +3,11 @@ parameters:
   url: https://api.openai.com/v1/chat/completions
   headers:
     Content-Type: application/json
-    Authorization: Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+    Authorization: 
+      - Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+      - Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+      - Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+      # You can place any number of keys here, and they will be invoked equally.
   body:
     temperature: 0
   prompter:
diff --git a/configs/agents/openai-text.yaml b/configs/agents/openai-text.yaml
index 1bd3536a..4f78dd89 100644
--- a/configs/agents/openai-text.yaml
+++ b/configs/agents/openai-text.yaml
@@ -4,7 +4,11 @@ parameters:
   url: https://api.openai.com/v1/completions
   headers:
     Content-Type: application/json
-    Authorization: Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+    Authorization: 
+      - Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+      - Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+      - Bearer <% PUT-YOUR-OPENAI-KEY-HERE %>
+      # You can place any number of keys here, and they will be invoked equally.
   body:
     model: <% NAME %>
     temperature: 0
diff --git a/src/client/agents/http_agent.py b/src/client/agents/http_agent.py
index 677f668c..c4814ebe 100644
--- a/src/client/agents/http_agent.py
+++ b/src/client/agents/http_agent.py
@@ -179,13 +179,22 @@ def __init__(
         self.body = body or {}
         self.return_format = return_format
         self.prompter = Prompter.get_prompter(prompter)
+        self.key_list = self.headers["Authorization"] if type(self.headers["Authorization"]) == list else [self.headers["Authorization"]]
+        self.key_amount = len(self.key_list)
+        self.key_idx = 0
+
         if not self.url:
             raise Exception("Please set 'url' parameter")
 
     def _handle_history(self, history: List[dict]) -> Dict[str, Any]:
         return self.prompter(history)
 
+    def _authorization_scheduling(self):
+        self.headers["Authorization"] = self.key_list[self.key_idx]
+        self.key_idx = (self.key_idx + 1) % self.key_amount
+
     def inference(self, history: List[dict]) -> str:
+        self._authorization_scheduling()
         for _ in range(3):
             try:
                 body = self.body.copy()