Using the Store App Content API (News, Pages, and Business Info)
A guide to /api/v1/apps/{shopId}/*, used to fetch store app content (news, pages, app manifest, business info, and membership card config). Explains that shopId is the same as the business account ID, the difference between business-account-level content and store-level content, and how authentication is handled.
Account linking and merging API (token exchange, /me/identities, /account/merge)
How native apps and the LINE mini app sign in with a LINE, Apple or Google ID token, add and remove sign-in methods, and merge two accounts — the endpoints, the proof object and the error codes.
Listing business accounts, stores, and POS terminals
A guide to retrieving, via REST API, the business accounts a user belongs to, the stores under them, and each store's POS terminals, from a ReceiptRoller mobile app or server integration.
Using the Products API
How to list, read, create, patch, replace, soft-delete and upload cover images for products with the Products API (/api/v1/products), with exact field names.
Using the Sales API
An overview of ReceiptRoller's Sales API (/api/v1/sales/*) and how to filter by business account, store, POS terminal, and period. A getting-started guide covering the actual response structure (the KpiValue nested type) through averageTicket and the 8-hour token lifetime, for building a sales dashboard in an Android/iOS mobile app or server integration.