Signiert, replay-geschützt und wiederholt, bis dein Endpoint 2xx liefert.
Abonniere Invoice-, Order- und Refund-Events. Prüfe HMAC-SHA256 in deinem Endpoint. Jede Auslieferung ist mit HMAC-SHA256 signiert, mit Zeitstempel versehen und wird mit exponentiellem Backoff wiederholt, bis dein Endpoint 2xx liefert.
order.paid
A buyer's checkout finalised. Settled on-chain.
order.refunded
Refund pushed back to the buyer's wallet.
order.delivered
Auto-delivery completed - key, file, or webhook handed over.
order.failed
Checkout expired or rejected.
product.created
Product published from API or dashboard.
product.updated
Any field on a product changed.
payout.queued
Payout request accepted, broadcast pending.
payout.confirmed
Payout confirmed on-chain.
customer.created
New buyer email registered in your shop.
# Standard headers Sellix sets on every delivery X-Event-Id: evt_01J2PT83A5XKJZ5N6FM5YV9B2D X-Event-Type: order.paid X-Webhook-Timestamp: 1779604200 X-Signature: sha256=8f7a9a2b… Content-Type: application/json User-Agent: Sellix-Webhook/1.0 # Body - JSON, the resource that fired the event { "id": "evt_01J2PT83A5XKJZ5N6FM5YV9B2D", "type": "order.paid", "data": { "order_uuid": "…", "total_cents": 4900, … } }
Payload und Secret einfügen. Wir berechnen die Signatur live im Browser mit der Web Crypto API - derselbe Algorithmus wie im SDK.
8 attempts per delivery1m → 2m → 5m → 15m → 1h → 6h → 24hX-Event-Id on your side. Same id twice = same event.200 - it's a feature, not a duplicate.