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.

What is a Message SID?

The Message SID is the unique ID for any message successfully created by Twilio’s API. It is a 34 character string that starts with “SM…” for text messages and “MM…” for media messages.

You can find the SID for a specific message by looking at your Messaging logs in the Console or by making a request to the Messages List Resource via the API.

To find the SID for a specific message in your project’s messaging logs, log into your Twilio project, select Monitor > Logs > Messaging. Click on the message of interest to bring up the details page for that message.

The message SID is the first item displayed:

Twilio_Console_-_SMS_Logs

To find the SID for a specific message via the API, make a GET request to the Messages List Resource. This will return a list of messages associated with your project along with details about each message. Each message resource will have a “Sid” property containing its unique Message SID.

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