Payment Plugin: Thrive Cart
Log in to your Thrive Cart account and navigate to Settings -> API & Webhooks -> Webhooks & notifications and set Webhook URL to:
https://example.com/amember/payment/thrive-cart/ipn
In case of you use Wordpress plugin and can not set this url (get error on Thrive Cart) then you need to temporarily disable Wordpress plugin:
aMember Cp -> Configuration -> AddonsThen set this url in Thrive Cart.
Then enable plugin again.
Also you need to set "Thrive Cart product ID" for each product in aMember:
aMember Cp -> Products -> Manage Products -> (edit)