---
title: Authentication
description: "Just like the web front end, most of the services that the API exposes require an authenticated session. The documentation will note whether or not a service is secure or not. ### API Key *API Keys should be treated like…"
url: "https://www.bookedscheduler.com/help/api/api-authentication/"
updated: "2026-03-04"
category: API
---

# Authentication

Just like the web front end, most of the services that the API exposes require an authenticated session. The documentation will note whether or not a service is secure or not.

### API Key

*API Keys should be treated like username and password credentials and kept secure.*

Send X-Booked-ApiId and X-Booked-ApiKey headers on all requests. These values can be found when logged into Booked in your Profile.