20410: Gone
PROGRAMMABLE MESSAGING
ERROR
The API is no longer available
- You are attempting to send messages via a discontinued API
- You are sending messages via the deprecated "SMS/Messages" endpoint
- Ensure you are using the most up to date Messaging Resources. See the Programmable Messaging API docs for up to date endpoints.
- Migrate from the "SMS/Messages" endpoint to "Messages" endpoint. See here for more information.