関連ワード:  api failed with status code 400    api request failed with status code 400    api call failed with status code 400    error api request failed with status code 400    youtube api request failed with status code 400    gemini api request failed with status code 400    tavily api error request failed with status code 400    openai api error request failed with status code 400    api error status code 400    api error status code 400 invalid proxy headers