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35133: Invalid 'Messages' array provided in the request


ERROR: 35133

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MESSAGING
ERROR

This error appears when the Messages array in your request is invalid. The array is either empty or contains more items than the endpoint accepts. Twilio returns request validation details in the API response when a request body is invalid.

Possible causes

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  • Your request sent an empty Messages array.
  • Your request included more Messages items than Twilio accepts in a single request.
  • Your application built the request payload incorrectly, so the final Messages array sent to Twilio did not contain the expected items.
  • Add at least one valid item to the Messages array before you resend the request.
  • If you are sending a large batch, split it into smaller requests so the Messages array stays within the supported limit for a single request.
  • Log and inspect the final request body your application sends to Twilio so you can confirm the Messages array is present and contains the expected number of items. Twilio includes validation details for invalid requests in the API response.
  • If you are using Twilio Communications API for bulk or personalized messaging, review the request structure and the endpoint limits before resending the request.

Additional resources

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