Idempotency

Send an Idempotency-Key header with any change (POST, PATCH or DELETE) to make it safe to retry: any unique value up to 255 characters, like a UUID.

• The request runs once. For 24 hours, a repeat gets the first answer again, with Idempotent-Replayed: true.
• The same key with a different request gets 422 idempotency_key_reused.
• While the first request is still running, a repeat gets 409 idempotency_in_progress with Retry-After.
• Answers worth retrying (429, 409 workspace_busy and 5xx) free the key.