HTTP Status Codes & Error Handling

Last updated: 2026-06-06

HTTP Status Codes

Status Code	Description
200	Request successful
400	Invalid request parameters
401	Authentication failed - API Key is invalid or missing
403	Insufficient permissions - Token does not have access to this model
429	Rate limit exceeded
500	Internal server error
502	Upstream service unavailable
503	Service temporarily unavailable

{
  "error": {
    "message": "Error description",
    "type": "error_type",
    "code": "error_code"
  }
}

{
  "error": {
    "message": "Invalid API key",
    "type": "authentication_error",
    "code": "invalid_api_key"
  }
}

Solution: Verify that your API Key is correct and starts with sk-.

{
  "error": {
    "message": "Rate limit exceeded",
    "type": "rate_limit_error",
    "code": "rate_limit_exceeded"
  }
}

Solution: Reduce your request frequency, or contact support to increase your limit.

{
  "error": {
    "message": "Insufficient quota",
    "type": "insufficient_quota",
    "code": "insufficient_quota"
  }
}

Solution: Visit the top-up page to add funds.

For 429 errors, use exponential backoff retry
For 500/502/503 errors, wait a few seconds before retrying
For 400/401/403 errors, check your request parameters and authentication credentials