Getting a FeatureNotAvailable error in our sandbox app. Happens in Postman and .NET. The sandbox number is "+16506849983".
Request:
{ "to": [ { "phoneNumber": "*****" } ], "from": { "phoneNumber": "+16506849983" }, "text": "Test SMS message" }
Response:
{ "errorCode": "FeatureNotAvailable", "message": "The requested feature is not available", "errors": [ { "errorCode": "MSG-242", "message": "The requested feature is not available" } ] }