API ReferenceWebhooks
Refund completed on-chain.
Fired when the linked payout completes. The payload includes the transaction hash and the actual network fee charged to the merchant.
Signature: X-Halfin-Signature: t={timestamp},v1={hmac}
where hmac = HMAC-SHA256(secret, "{timestamp}.{raw_body}").
Reject if abs(now - timestamp) > 300 seconds.
eventstring
Event type identifier.
Value in
"refund.created" | "refund.completed" | "refund.failed"created_atstring
Event creation timestamp.
Format
date-timedataRefundWebhookData
Payload data for refund.created, refund.completed, and refund.failed events.