A HealthKit API for the Web

Utilize OneTwentyOne's unified API to continuously access your customer's Apple HealthKit data from a web API, with over 100 data types and counting.

Note: The OneTwentyOne API is currently in beta. If you have any questions or feedback, please reach out to us at hello@121health.app or join our Discord.

Quickstart Create a client

Getting started

The OneTwentyOne API uses standard OAuth 2.0 protocols. To get started, follow our quickstart guide, where you'll create a client, authorize first user, and make your first API requests.

Get started