API and Developer Help

API error reference

What common Partner API error codes mean and whether the request should be retried.

Last updated Sep 8, 2026

Error shape

Partner API errors return success: false with a stable error.code and message.

Retry guidance

Retry RATE_LIMITED only after waiting. Retry network failures with the same Idempotency-Key. Do not retry INVALID_SIGNATURE, INVALID_API_KEY, FORBIDDEN_SCOPE, or validation errors until the request is corrected.

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