ProductDto reference
A complete field reference for ProductDto, ReceiptRoller's product master (PIM). It covers the structure, including catalog sync from a POS (Square), cost price, per-store pricing, variants, and pre-orders.
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.
StaffDto reference
A complete field reference for StaffDto, ReceiptRoller's staff (employee) master. It covers the structure, including the linkage with POS (Square Team / Smaregi), store assignment, and employment type.
Using the Reservations API
A guide to ReceiptRoller's Reservations API (/api/v1/reservations). Covers reservation CRUD and status updates, retrieving, creating, and bulk-generating reservation slots, retrieving the tables (tables, private rooms, counters) registered in the store layout, and reservation statistics.
Posting a Question to the Community
Explains how to post a question to the developer community, and the review-approval and notification-email flow after posting.
Creating a new app
Explains the concrete steps to register a new app (OAuth client) in the ReceiptRoller developer portal. Covers the input fields, validation, the post-creation credentials display, and common errors.
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.
Access control and audit logs
Explains how to design access control for operating a ReceiptRoller integration app, the principle of least privilege, how to take audit logs, and how to run periodic reviews.
Inventory data integration
Explains the structure of ReceiptRoller's inventory data, multi-warehouse management, stock movement history, real-time sync via Webhooks, and WMS integration patterns.
Contacting support (technical integration)
Explains the types of support available to ReceiptRoller developers, a checklist to run before contacting support, and a template of the information to attach so issues get resolved efficiently.
Signature verification and security
Explains how ReceiptRoller Webhook HMAC-SHA256 signature verification works, sample verification code (Node.js / Python / C#), replay-attack countermeasures, and how to manage secrets safely.
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.
Ledger and billing-related data (scope of coverage)
Explains the scope of the ledger and billing-related data ReceiptRoller handles, tax reports, qualified-invoice support, and guidance for integrating with accounting software.
Declaring your purpose of use and connections (POS / e-commerce / analytics, etc.)
Explains the meaning of the "purpose of use" and "connection category" (POS / e-commerce / analytics / CRM / OMS / WMS / SNS / other) declared when registering an app in the ReceiptRoller developer portal, how to choose them, cautions when changing them, and the relationship to User-scope review.
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…
PosTransactionDto specification — field reference for transaction data
A complete field reference for PosTransactionDto, the canonical model for the transaction data ReceiptRoller handles. For each category — identifiers, dates, amounts, line items, payments, staff, status, and CRM linkage — it summarizes the field names, types, meanings, and how each POS vendor populates them. A reference for developers and external-system integrators. Also referenced from the Smaregi and Square mapping articles.
Wallet App: Guide to Fetching a User's Receipts via OAuth
Explains how to fetch a user's Receipt Roller purchase receipts, with their consent, from a wallet-style app such as iOS, Android, or a LINE Mini App. Covers OAuth 2.0 authentication, the receipts API, and Webhook integration.
What You Can Do with the Developer Portal
An overview of what the ReceiptRoller developer portal lets you do. Combine data retrieval and operations via the REST API with real-time event delivery via Webhooks to connect store and user data from external systems.
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.