Every error of the public API is an RFC 7807 Problem Details document whose type is one of these URLs. Match on the slug.
authoring-in-progress — Authoring turn in progressauthoring-turn-failed — Authoring turn failedbad-gateway — Bad Gatewaybad-request — Bad Requestconflict — Conflicterror — Errorforbidden — Forbiddenfree-channel-daily-cap — Daily free-channel cap reachedidempotency-conflict — Idempotency conflictidempotency-key-in-flight — Idempotency-Key in flightidempotency-key-required — Idempotency-Key requiredidempotency-key-too-long — Idempotency-Key too longinsufficient-funds-for-estimate — Insufficient funds for the estimateinternal-error — Internal Server Errormaterial-not-ready — Material still being verifiedmaterial-not-usable — Material cannot be usedmaterial-upload-refused — Upload not acceptedno-sources-for-closed-corpus — This format requires declared sourcesnot-found — Not Foundpayment-required — Payment Requiredpublish-not-delegated — Publishing was not delegated to this credentialpublish-refused — Not publishedquota-exceeded — Quota exceededrate-limit-exceeded — Rate limit exceededrate-limited — Too Many Requestsservice-unavailable — Service Unavailablespend-not-confirmed — Spend not confirmedunauthorized — Unauthorizedunprocessable-entity — Unprocessable Entityunsupported-vbp-version — Unsupported VBP version