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Documentation

About Fastly's Application Programming Interface (API)

Fastly provides an application programming interface (API) that can be accessed via a number of popular interactive clients. The Fastly API allows customers to manage Fastly services via remote procedure calls instead of the web-based user interface. This currently includes features such as:

The API features do not include customer account setup, which can only occur through the user interface controls. For examples of each API call in action, including full descriptions of the fields used and examples of requests and responses, see Fastly's API Reference.

Available API clients

The API's main entry point is https://api.fastly.com. It can be accessed via the following interactive clients:

Fastly's API Client web page contains links to GitHub repositories where these clients can be found. When third-party organizations have supplied these clients, we've noted so on the web page.

DISCLAIMER: Fastly makes no warranty on third-party software. We assume no responsibility for errors or omissions in the third-party software or documentation available. Using such software is done entirely at your own discretion and risk.

Authentication via the API

Nearly all API calls require requests to be authenticated. The Fastly API provides two methods for authenticating API calls: API key and username-password. Most API calls can be authenticated using an API key alone. Those calls that don't use an API key alone (usually at the account level) typically require using an authenticated session cookie instead.

Authentication Method Description
API Key Allows the API key located on a customer's account page to be included as a Fastly-Key header.
Username and Password Allows a POST HTTP command to be issued with the user and password parameters, which returns a cookie that can be stashed and used in subsequent requests.