E04016 — SendCeilingUnavailable
Email sending limits are temporarily unavailable. Retry in a moment.
- HTTP status: 503
- Type: service_unavailable_error
- Name: SendCeilingUnavailable
What to do
Something this request depends on is temporarily unavailable. Retry with exponential backoff, reusing the same Idempotency-Key on mutating requests. If it persists, check the status page and contact support with the request_id.
Related
- E04xxx — Email sending & delivery: every code in this range
- Errors: the full wire contract, status mapping, and error catalog
- Error handling: branching on type and code, validation details, and vendor_code