E12057 — SMSRegistrationProgramManaged
The destination country registers this sender through a dedicated program.
- HTTP status:
422 - Type:
validation_error - Name:
SMSRegistrationProgramManaged
What to do
Register a US long code through a 10DLC campaign and a toll-free number through toll-free verification. The registration this endpoint creates does not apply to those countries.
Related
- E12xxx — SMS 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.