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.
Store-facing: Guide to Issuing Digital Receipts from Your Own App and Getting Webhook Notifications
Explains how a store or brand issues digital receipts to customers from its own app and receives real-time notifications via Webhooks. Covers app registration, OAuth, Webhook setup, and signature verification.
Using the in-store media display API (Display API)
An overview of ReceiptRoller's in-store Android display API (/api/v1/displays/*) and the steps for pairing, heartbeat, playlist retrieval, and impression reporting. An introductory guide for building an app that plays a media loop on an Android kiosk or in-store signage device.
OAuth Scopes Reference and Availability
A reference of all scopes available in the ReceiptRoller OAuth API and which kinds of apps each scope can be granted to. Also covers the review requirement for User scopes, why Store and User scopes can't be mixed, and how to use the API from a LIFF app.
Guide for native mobile apps: multi-business-account access and the OAuth flow
An implementation guide for Android / iOS native apps. Turning off "bind the token to one business account at authorization time" during app registration issues a user-scoped OAuth token. With the /api/v1/me/organizations + ?organizationId= pattern, you can access multiple business accounts across the board.
API Authentication Guide
Explains how to authenticate with the ReceiptRoller API using the OAuth 2.0 authorization code flow.