SUPPORT.TWILIO.COM END OF LIFE NOTICE: This site,, is scheduled to go End of Life on February 27, 2024. All Twilio Support content has been migrated to, where you can continue to find helpful Support articles, API docs, and Twilio blog content, and escalate your issues to our Support team. We encourage you to update your bookmarks and begin using the new site today for all your Twilio Support needs.

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:


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.

Have more questions? Submit a request
Powered by Zendesk