Ascend Webhooks

Ascend (insurance payments / premium financing) sends webhooks so your app is notified when an event happens — for example when an invoice is paid. Ascend POSTs a JSON payload over HTTPS and signs it with an HMAC-SHA256 signature you must verify before trusting the event.

When to Use This Skill

• How do I receive Ascend webhooks?
• How do I verify Ascend webhook signatures?
• How do I parse the X-Ascend-Signature header?
• How do I handle invoice.paid (or payout / refund) events?
• Why is my Ascend webhook signature verification failing?

How Ascend Signs Webhooks

Ascend uses a custom Stripe-style HMAC-SHA256 scheme (not Svix, not Standard Webhooks). Two headers are sent: