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How to use the Admin API

It is possible to integrate directly with the Admin API. In this guide we will explain all the steps to set it up.

Step 1: Create API token

You'll need either an admin token or a personal access token for this to work. To create one, follow the steps in the how to create API tokens guide or the how to create personal access tokens guide, respectively.

Please note that it may take up to 60 seconds for the new key to propagate to all Unleash instances due to eager caching.


If you need an API token to use in a client SDK you should create a "client token" as these have fewer access rights.

Step 2: Use Admin API

Now that you have an access token with admin privileges we can use that to perform changes in our Unleash instance.

In the example below we will use the Unleash Admin API to enable the “Demo” feature flag using curl.

curl -X POST -H "Content-Type: application/json" \
-H "Authorization: some-token" \

Great success! We have now enabled the feature flag. We can also verify that it was actually changed by the API user by navigating to the Event log (history) for this feature flag.

A feature flag's event log showing that it was last updated by "admin-api".

API overview

You can find the full documentation on everything the Unleash API supports in the Unleash API documentation.