4 results
2026-04-27
Webhook
Monitoring
Alerts
Dead letter
Incident response
Monitoring and handling failures
Explains how to read the ReceiptRoller Webhook delivery history, the metrics to monitor and how to design alerts, redelivering dead letters, and common failure patterns and recovery procedures.
2026-04-27
Webhook
Resend
Idempotency
Ordering
Retry
Designing resends, ordering, and idempotency
Explains ReceiptRoller's Webhook resend policy, why delivery order is not guaranteed, implementing idempotency with event_id, handling dead letters, and common anti-patterns.
2026-04-27
Troubleshooting
Webhook
Delivery
Webhook is not being delivered
How to isolate the cause when a Webhook does not reach your receiving endpoint. Walks through checking, in order, the endpoint settings, subscribed events, reachability, signature-verification failures, and firewalls.
2026-04-25
survey
api
receipt
targeting
liff
Survey API and receipt embed
The ReceiptRoller Survey feature lets a store collect responses via QR / link / digital receipt embed and optionally hand back a coupon. This article covers the…