501 Not Implemented

Every error of the Spillard Connect API is an RFC 9457 application/problem+json body whose type points here. Branch on errorCode, never on title or detail.

Not retryable: the operation is not available on this host. Contact Spillard support with the traceId.

errorCodeMeaning
server.not_implementedThe operation is not available on this host. Do not retry; quote `traceId` to Spillard support.

The full registry is the top-level x-error-codes list (and the ErrorCode schema) of /openapi/v1.json; the API reference is at /scalar.