E04027 — ContactExternalIdExists
A contact with this external_id already exists in this workspace.
- HTTP status: 409
- Type: conflict_error
- Name: ContactExternalIdExists
What to do
A contact already has this external_id. Find that contact and update it instead of creating a duplicate.
Operations that resolve this:
Related
- Idempotency: safe retries and key reuse rules
- 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