45 results (Page 3 of 3)
2026-10-26 quickstart OAuth PKCE access token transactions Node.js
Your first API call: from app registration to listing transactions

Get a token with the OAuth authorization code flow and PKCE, confirm the business account, list its transactions, and refresh the token.

2026-10-26 Quickstart API Reservations Calendar iCalendar ics Node.js OAuth
Show a store's reservations in your own calendar

Fetch the next 7 days of a store's reservations with the Reservations API and write them to an iCalendar (.ics) file with Node.js.

2026-06-01 API Product Management PIM Products API CRUD
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.

2026-04-27 Troubleshooting Token Authentication OAuth
Cannot obtain a token (authentication error)

How to narrow down a 400 or 401 from the token endpoint, with the fix for each error and error_description, including invalid_client and invalid_grant.

2026-04-27 Webhook Signature verification HMAC X-RR-Signature Security
Signature verification and security

How X-RR-Signature is computed, verification code for Node.js, Python and C#, guarding against replays, and how to replace a webhook secret.