| 400 | INVALID_REQUEST | Describes the invalid field | The body does not match the schema. Common causes: a digest that is not 64 lowercase hexadecimal characters, more than five identifiers, an unknown context or category, or attest_human_review that is not true. Fix the request. Do not retry it unchanged. |
| 401 | UNAUTHORIZED | Invalid or missing API key or API key has been revoked | The key is missing, wrong or revoked. Check the Authorization header. |
| 403 | FORBIDDEN | Missing required scope: registry:check (or registry:submit) | The key does not carry the scope for this endpoint. A moderation key cannot call the registry. Use your registry key, or ask Omnifence for a key with the scope. |
| 403 | FORBIDDEN | This account is not an active Shared Registry member | Your membership is pending or suspended. Contact Omnifence. |
| 403 | FORBIDDEN | Your membership does not allow reports in category: <category> | Your membership does not include this category. Do not report it, or ask Omnifence to review your membership. |
| 403 | ACCOUNT_TERMINATED | Client account has been terminated | Your Omnifence account is terminated. Contact support. |
| 404 | NOT_FOUND | Registry entry not found | Revoke only: the entry does not exist, or another member reported it. |
| 429 | RATE_LIMITED | Daily Shared Registry check quota of <quota> reached | Check only: you used today’s check quota. It resets at 00:00 UTC. Continue without the registry and re-check later. See Daily check quota. |
| 429 | RATE_LIMITED | Rate limit exceeded | You exceeded your account’s per-minute or per-second limit. Wait for the retry-after header. See Rate limiting. |
| 503 | SERVICE_UNAVAILABLE | Varies | The registry cannot answer right now. Retry later with backoff. |