Fediverse servers API documentation links
Mastodon (AGPL3)
https://docs.joinmastodon.org/methods/
get peers: /api/v1/instance/peers
Hometown (Mastodon fork)
gotosocial (AGPL3, Mastodon API)
https://docs.gotosocial.org/en/latest/api/swagger/
Pleroma (AGPL3, Mastodon API)
https://api.pleroma.social/
Akkoma (AGPL3, Pleroma fork, Mastodon API)
https://docs.akkoma.dev/stable/development/API/akkoma_api/
snac (MIT, Mastodon API)
https://codeberg.org/grunfink/snac2
Friendlica (AGPL3, Mastodon API)
https://wiki.friendi.ca/docs/api
Wordpress (MIT)
https://github.com/Automattic/wordpress-activitypub
Misskey (AGPL3)
https://misskey-hub.net/en/docs/for-developers/api/endpoints/
https://misskey.io/api-doc#tag/meta/operation/get-online-users-count
get peers: /api/federation/instances https://misskey.io/api-doc#tag/federation/operation/federation___instances
Sharkey (misskey fork + Mastodon API)
https://docs.joinsharkey.org/docs/comparison/misskey/
Iceshrimp (Misskey/Firefish fork/rewrite, Mastodon API)
Firefish (Misskey fork)
BookWyrm (ANTI-CAPITALIST SOFTWARE LICENSE, No API?)
https://docs.joinbookwyrm.com/
Mobilizon (AGPL3)
https://docs.joinmobilizon.org/contribute/graphql_api/
Pixelfed (AGPL3)
https://github.com/pixelfed/pixelfed/blob/dev/routes/api.php
get peers: /api/v1/instance/peers
Lemmy (AGPLv3)
https://join-lemmy.org/docs/contributors/04-api.html
https://lemmy.readme.io/reference/get_federated-instances
get peers: /api/v3/federated_instances
writefreely (AGPL3)
https://developers.write.as/docs/api/
Funkwhale (AGPL3)
https://docs.funkwhale.audio/swagger/#/
get peers: /api/v1/federation/domains/
Owncast (MIT)
https://owncast.online/docs/api/
Peertube (AGPL3)
https://docs.joinpeertube.org/api-rest-reference.html
get peers: /api/v1/server/followers