A2P 10DLC Campaign Vetting Delays: Twilio cannot approve 10DLC Campaigns ourselves, and must rely on third parties who control our connections to carriers to sign off. These external processes are creating several week delays for our customers. We continue to escalate these issues and are working to reduce delays wherever possible. Further details will be shared in the Campaign Vetting Changes article as they become available.
Yes, in addition to managing your Messaging Service in the Console, Twilio offers a Messaging Service API for creating a Service and managing the phone numbers, short codes, and alpha sender IDs associated with the Service.
Check out the API doc here to see sample codes how to create and manage a Messaging Service.
Please note, this API is currently available in Beta.