Triggers when a customer pays a one-time order.

Triggers when a Subscription Invoice is paid.

Removes a specific tag from a contact if it exists on the contact.

Search for contacts using the Contact's ID or email address without creating a new contact if it doesn't exist yet.

Applies a tag to a contact if it does not exist

Updates an existing Contact or Creates one by email address. For existing Contacts, it only updates present fields that have non-empty values so you won't empty existing data. If a contact with the provided email address doesn't exist, a new one will be created.