API Reference
Your prepaid wallet dropped below your alert threshold
WEBHOOK
Authorizations
t=<unix>,v1=<hex hmac-sha256> over "<t>.<raw-body>", keyed on the endpoint's whsec_ signing secret. Verify it before trusting a delivery.
Headers
The event id. Stable across retries; de-duplicate on it.
The event type, e.g. order.fulfilled.
Body
application/json
Response
200
Return any 2xx to acknowledge receipt.