Social Web Bookmarks

Web finger is used to do account to AP actor URI resolution by Mastodon. It's not part of the ActivityPub specification itself.

Fully Managed (paid) Mastodon Hosting

Wildebeest is an open-source, easy-to-deploy ActivityPub and Mastodon-compatible server built entirely on top of Cloudflare's Supercloud.

Discussion about the rationale for why Mastodon doesn't support C2S. (My opinion: the arguments are weak and confuse the concept of a general client *API* with a client user interface implementation.)

Quickly design and test ActivityPub objects with mock servers of popular projects like Mastodon and Pixelfed. (Not released as of September 18, 2023)

A tutorial for using the Mastodon OAuth endpoint. The example is C#, but most of the tutorial is not language-specific.

Discussion of Mastodon HTTP Signatures with examples in Node.js.

The question was asked in a Python context, but the answer is mostly general.

GitHub issue related to Mastodon upgrade to hs2019 in 2020.

Information about using HTTP Signatures with Mastodon.