Set User Properties

Set custom properties on users who have previously been identified in the browser via the FS.identify Browser API function.

System fields and custom field types

Anonymous users

  • This API will only work for previously-identified users for whom the FS.identify or FS.setUserVars Browser API was called. Anonymous users lack the required uid necessary for this API to function.

Method: POST

URI: /users/v1/individual/{uid}/customvars


uidstringThe unique ID you've given to the user. You will have passed that ID through the FS.identify Browser API function.
bodyThe custom properties associated with the user.

Request Headers

Authorization: Basic {YOUR_API_KEY}

Status Codes

200: A successful response.

404: Unknown user - the specified uid does not exist in FullStory.

429: Too many requests. Client has exceeded the rate limit for this endpoint.