Give your users the ability to take back messaging mistakes, before they reach the recipient.

How It Works

OST’s patented technology implements user-defined rules to delay message send just long enough for users to change their mind if they want to take a message back.

Easy to implement

All the functionality you need is well-documented in our simple SDK.

Better user experience

Your messaging user flow will stand out when users can take back messages with a simple swipe.

AI-driven insights

We provide a comprehensive picture of your users’ messaging behavior through our reporting API. (Coming soon!)