Integration
Your system stays in sync, no polling
Get every payment event in real time — signed and replayable.
ZyndPay webhooks notify your system the moment a payment changes state, so you never have to poll the API in a loop. Each notification is signed (HMAC-SHA256) so you can verify it really came from us, with delivery logs and on-demand replay in case your endpoint was briefly down. Available today to wire your business logic to the event, not to a cron job.
What you gain
Signed notifications you can verify
Every webhook is signed with HMAC-SHA256. You validate the signature server-side before acting, so no third party can trick you into believing a payment landed. You trigger your logic with confidence: ship the order, unlock access, update your records.
Delivery logs + on-demand replay
Endpoint went down for two minutes during a deploy? No event lost. You see the history of every delivery and replay missed notifications whenever you want — your state stays consistent even after an outage on your side.
Subscribe to the events that matter
Subscribe to payment events and get the notification at the exact moment state changes. No more polling that loads your server, no lag before you react — your logic fires on the real event.
Hands-off reconciliation
Pair webhooks with verify-by-reference: you receive the event, confirm by reference on the API, and your reconciliation runs itself. Fewer manual matches, fewer end-of-day discrepancies to chase.
How it works
- 01
Subscribe your endpoint
Register your server URL and the payment events you want to track from your dashboard.
- 02
Verify the signature
On receipt, validate the payload's HMAC-SHA256 signature before processing — you know the notification is authentic.
- 03
Replay when needed
Check the delivery logs and replay on demand any event your system didn't receive, to stay perfectly up to date.
Who it’s for
For any team automating post-payment logic — fulfillment, access, accounting — that wants a perpetually synced state without a polling cron. Ideal the moment you integrate ZyndPay over API.
Ready to start?
Create your account and get going in minutes. Free sandbox, no card required.
Set up a webhook