Error Codes

All errors return a JSON object with an error field containing message and code.

Error Response Format
{"error":{"message":"Invalid API key.","code":401}}

HTTP Status Codes

CodeMeaningCommon Causes
400Bad RequestMissing required fields, invalid Content-Type
401UnauthorizedMissing or invalid API key
402Payment RequiredInsufficient balance
404Not FoundJob not found, invalid route
413Payload Too LargeAudio file exceeds 95 MB limit
429Rate LimitedToo many requests. See Rate Limits
500Server ErrorInternal processing failure

Troubleshooting

  • 401: Verify your API key is correct and not revoked in the Dashboard
  • 402: Top up your balance at voxparse.com/dashboard
  • 413: Compress audio or split into smaller segments. Max file size is 95 MB
  • 429: Implement exponential backoff. Check the retry_after field in the response