ManyChat is a service that helps create messenger bots.
How to Cancel ManyChat Manually
Unsubscribe by following these steps:
Send an email to firstname.lastname@example.org and request subscription cancellation
To cancel your Pro subscription go to manychat.com and login. Then select Settings -> Billing and press “Cancel Subscription”. This will make sure that you continue on the Pro plan until the end of your paid period but won’t get charged for the next one.