internal_error

HTTP 500 — An unexpected error occurred.

Returned as application/problem+json with code internal_error and HTTP status 500.

Something failed unexpectedly on our side. The failure is logged against your request_id.

Common causes

  • An unhandled server error.

How to resolve

  • Retry with exponential backoff.
  • If it persists, contact support and quote the request_id.

Example

1{
2 "type": "https://docs.usglobalmail.com/api/problems/internal_error",
3 "title": "An unexpected error occurred.",
4 "status": 500,
5 "code": "internal_error",
6 "request_id": "req_8f3c2a1b9d",
7 "instance": "/v1/mails"
8}
This error is typically transient — safe to retry with exponential backoff.