Receive and verify Praxis (Praxis Tech / Cashier payment orchestration) webhooks. Use when setting up a Praxis webhook endpoint, verifying the gt-authentication SHA-384 signature, signing the acknowledgement with the external-request-signature header, or handling Payment Notification (transaction_st
Receive and verify Praxis (Praxis Tech / Cashier payment orchestration) webhooks. Use when setting up a Praxis webhook endpoint, verifying the gt-authentication SHA-384 signature, signing the acknowledgement with the external-request-signature header, or handling Payment Notification (transaction_status pending, approved, rejected, error) and Subscription Notification events.