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VectorNode AI API Gateway
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      • - modelversion(predictions)
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      • Reasoning Output Fields
      • HTTP Status Codes
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        POST
  1. Help Center

HTTP Status Codes

This page summarizes common HTTP status codes you may see when calling VectorNode AI APIs.
Status CodeMeaningRecommended Action
400 Bad RequestThe request format is invalid or a required parameter is missing.Check the JSON body, headers, and model name.
401 UnauthorizedThe API key is missing, invalid, or expired.Verify Authorization: Bearer {{api_key}}.
403 ForbiddenThe API key does not have permission for this model or endpoint.Check account permissions and model availability.
404 Not FoundThe endpoint or resource does not exist.Confirm the request path and base URL.
413 Payload Too LargeThe request body is too large.Reduce input size, file size, or token length.
429 Too Many RequestsRate limit or quota was exceeded.Retry later, reduce concurrency, or review account limits.
500 Internal Server ErrorThe provider or gateway returned an unexpected error.Retry the request or contact support with the request ID.
503 Service UnavailableThe upstream model provider is temporarily unavailable.Retry later or switch to a fallback model.
修改于 2026-05-16 08:10:48
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