To which extend can two instances of Discourse communicate with each other through the API of ActivityPub?

Do you mean directly using the ActivityPub Plugin ? If so, this is what you can currently federate: Can be federated between Discourse instances Public topics can be federated when created in a specified Category or created with a specified tag Replies on those topics can also be federated in bo…

In case I federate based on categories, do I go right in the assumption, that they would simply show up in each others category list? So are those categories listed as if they were native, non-federated categories?

ActivityPub between two Discourse instances

Product Support

nathank (Nathan Kershaw) September 16, 2024, 7:07am 4

New topics in the source show up in the follower’s designated category, and replies are shared in both directions.

New Topics posted in the follower aren’t federated at present.

Topic		Replies	Views
Federate private categories via ActivityPub Feature activitypub	2	377	July 7, 2024
Federate wikiness of posts Feature activitypub	2	140	September 29, 2024
Incoming synchronization between Fediverse publications and Discourse category? Feature activitypub	2	141	July 28, 2025
Discourse and the Fediverse! Blog	0	379	April 23, 2025
Thank you for the Discourse ActivityPub plugin :sunflower: Praise activitypub	1	198	May 1, 2025

ActivityPub between two Discourse instances

Related topics