Surface: Authentication API · application/problem+json Type URI: https://docs.zeroset.com/problems/invalid_service_credential Code: invalid_service_credential HTTP status: 401

A service-to-service call presented a service token that was missing, malformed, or not recognised.

Resolving it

This indicates a deployment or trust-configuration fault rather than an end-user error. Treat it as unavailable and retry.

Response shape

{
  "type": "https://docs.zeroset.com/problems/invalid_service_credential",
  "title": "Invalid service credential",
  "status": 401,
  "code": "invalid_service_credential",
  "detail": "a human-readable explanation"
}

Every field is required. Clients must reject an authentication problem whose type is not exactly the expansion shown above — the Nebula SDKs do.