E05000 — DomainAlreadyExists
A sending domain with this name is already registered in this workspace.
- HTTP status: 409
- Type: conflict_error
- Name: DomainAlreadyExists
What to do
This domain is already registered. Look it up and reuse or verify it instead of re-creating it.
Operations that resolve this:
Related
- Idempotency: safe retries and key reuse rules
- E05xxx — Domains & DNS: 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