Add missing webhooks to table and list of example payloads.
Add example payloads for subscription card update, refund success/failure, and upgrade downgrade success/failure.
Please check the 'errors' field in the refund_failure webhook to make sure it is correct.
Add missing webhooks to table and list of example payloads. Add example payloads for subscription card update, refund success/failure, and upgrade downgrade success/failure. Please check the 'errors' field in the refund_failure webhook to make sure it is correct.