#activitypubs

Live, measured metrics for the hashtag #activitypubs from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #activitypubs

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$5.00/ year · 12-character #name
Claim #activitypubs$5.00/yrBuy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
2
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 2
0
Avg reactions / post
Mastodon · last 2
Reddit posts / month
Reddit search
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-07 22:08 UTC
0
09-01
0
09-02
0
09-03
0
09-04
0
09-05
0
09-06
0
09-07

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-07 22:08 UTC

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-07 22:08 UTC

Everything below is measured over the latest 2 public posts (spanning ~12397 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: German (1) · English (1)

Avg boosts / post: 0.5

Top of the latest posts

  • Since Webfinger is very flexible, it can express situations, that are not clearly mapped to #ActivityPubs expectations. I looked at what Mastodon does. It fails pretty soon, and doesn't even try to solve more difficult situations. I've deci

    𝓒𝓱𝓻𝓲𝓼𝓽𝓸𝓯 𝓓𝓸𝓷𝓪𝓽@[email protected]002026-08-27 16:30 UTCView post →
  • Now that so many moved of from #Twitter it should have been an opportunity for more #Federation but #NIH syndrome of #Bluesky and the political surrounding situation somehow worsened it. Besides the whole technical discussion #Mastodon or #

    Björn@[email protected]012025-03-29 03:32 UTCView post →

#activitypubs across platforms

every network with a public tag surface

Follow #activitypubs straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/activitypubs