Want to add ProveSource to your ThriveCart checkout page? Great!
Just follow this video guide from ThriveCart on how to add custom JS code (like ProveSource) to your checkout pages.
For a deeper integration that lets you show the purchased product details and more,
You'll need to choose Webhook in the notification Track step and paste it in ThriveCart.
See this guide by ThriveCart:
And this guide by ProveSource about webhooks: