this post was submitted on 14 Jul 2023
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How are comments federated? (lemmy.world)
submitted 2 years ago by quest@lemmy.world to c/fediverse@lemmy.world
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I'm trying to figure out how to get the comments of a post given a link to it using ActivityPub.

Based on reading the ActivityPub spec, I thought comments were federated via the replies key of the ActivityPub Object.

This works for Mastodon posts, but not for Lemmy (nor Pleroma). As an example

curl -H "Accept: application/activity+json" https://lemmy.my.id/post/79514 | jq

doesn't contain a replies key. Yet the comments are federated to Mastodon somehow.

What is going on? How can I get the comment?

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[–] r00ty@kbin.life 0 points 2 years ago

I expect it does, from the lemmy API. But from the ActivityPub api, it doesn't make sense to.