E12016 — SenderCategoryNotPermitted
This sender's registration for the destination country does not permit messages of this category.
- HTTP status: 422
- Type: validation_error
- Name: SenderCategoryNotPermitted
What to do
Send a category this sender is registered for in the destination country, or register the sender for this category, then send again.
Related
- E12xxx — SMS 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