archives.json contains a list of 4chan archives typically used by third-party browser extensions.

The file can be downloaded via the following URL:

https://4chan-x.just-believe.in/json/archives.json

CORS is allowed from the following origin:

• http(s)://4chan.org (and subdomains)
• http(s)://4cdn.org (and subdomains)
• chrome-extension://*