E04056 — ContactIdentifierRequired
A contact needs at least one reachable identifier. Supply an email address, a phone number, or both.
- HTTP status:
422 - Type:
validation_error - Name:
ContactIdentifierRequired
What to do
Add an email address or a phone number. An external_id alone does not make a contact reachable.
Related
- E04xxx — Email sending & delivery: every code in this range
- Errors: the full wire contract, status mapping, and error catalog
- Error handling: branching on
typeandcode, validation details, andvendor_code
Related resources
Continue with the documentation, guides and examples for this topic.