API Authentication Manager puts small files (known as ‘cookies’) onto your computer to improve your security as you access the site.

Find out more about how to manage cookies.

How cookies are used on this site

Preventing malicious attacks

We use a cookie to try to prevent cross site request forgery (CSRF) attacks through form submissions.

Name Purpose Expires
_csrf Saves a unique token so we can check against it during form submissions 1 month