rezio Developer Portal Beta

This API is in beta; access is granted on request. Request access →

Open API

REST API for merchants running a store on rezio, which provides functionality to read your products, packages and availability, create bookings, and look up orders and redemption records. Product creation and store settings remain in rezio Admin.

API access is enabled by rezio.

Reference →

B2B API

REST API for partners reselling rezio merchants' products, which provides functionality to search products and session availability, book on behalf of your customers, and look up or cancel those bookings. Bookings cannot be amended once placed; settlement is by monthly invoice.

Your key comes from the merchant supplying the products.

Reference →

Build with an AI assistant

Download the OpenAPI spec from either reference page and hand it to Claude, Cursor or GitHub Copilot — it carries every endpoint, parameter and example.

Other integrations

Selling through channels such as KKday: configure the channel in rezio Admin. No API needed.
Selling from your own website: use rezio MySite or the embeddable booking widget.
Need API access, credentials, or not sure where you fit? Use “Request access” above.