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Fires every time a refund’s status changes. See the Refund entity for what each status means.

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Body

The body carries metadata about the event, not the entity itself. Use entityId to fetch the current state with GET /payments/refund/{refundId}, and dedupe on eventId since deliveries are at-least-once and unordered.

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Authentication

Every delivery is signed with a slash-webhook-signature header. Verify it against Slash’s public key before trusting the payload; see Webhook Signing for the verification steps and a code sample. Respond with any 2xx within 10 seconds to acknowledge; anything else is retried.