2027: The sender phone number is not currently eligible to send messages

The sender phone number is not currently eligible to send messages. This is an HTTP 403 error returned when the line you are acting on cannot currently deliver to Apple. The request was rejected before anything was created or sent.

• Retry from a different phone number on your account
• Omit from on POST /v3/messages to let us pick an eligible number for you
• Contact support with the trace_id if the number should be eligible