How to authenticate against the Split API

All requests to Split's API must be authenticated with an Admin API key. The Admin key can be finely-tuned to provide access to your Split resources. Creating an API key is simple, as described on the Create an API Key page under the API Keys section.


Learn more about API keys

To best familiarize yourself with using API keys in Split, refer to the API keys guide in our main documentation site for more information.

To learn more about Admin API Key roles and scopes, just check out API keys overview

Authentication Header

Authenticate with the API by adding an authorization header containing your Admin API key. This must be done for each API request.

Authorization: "Bearer <ADMIN_API_KEY>"