If you want to automate your opt out responses, you can easily do this using an If-This-Then-That rule on your Number.
You can teach the system to trigger certain actions based on the content of the inbound messages. Using this alongside groups in contacts you can manage your opt outs automatically!
When sending out a campaign, make sure your contacts are in a group.
If you configure a rule as shown below, those users who reply ‘Stop’ will be automatically removed from the group specified.
This will remove the contacts from the group, but they will remain in your address book.
You can also create multiple rules if you need to keep track of all opt outs for your own reference. You can set up something like this:
N.B If you're submitting via an API connection, and want to manage opt-outs, we recommend doing so on your side of the connection to avoid confusion.