#postcrossing
Live, measured metrics for the hashtag #postcrossing from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #postcrossing
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.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-17 08:05 UTC7 uses by 7 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-17 08:05 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-17 08:05 UTCEverything below is measured over the latest 40 public posts (spanning ~1234 hours).
Posting hours (UTC) — busiest: 14:00
Languages: English (31) · German (6)
Avg boosts / post: 1.3
Top of the latest posts
A cool art postcard from the Czech Republic arrived, depicting a structure called the Žižkov Television Tower. 🇨🇿🥳 #postcard #postcrossing #czechrepublic
Over the weekend I went to a garage sale that advertised it had a box of postcards. I bought it. It was $12US. I came home with 620+ postcards. Many suck, but at less than tuppenceUS each who cares! #postcrossing #thrifting #GarageSales #po
Yay! I received two postcards today — one from Russia, and one from Taiwan. 🇷🇺🇹🇼🥳 — Russian card image: Church of the Resurrection of Lazarus, Murom Monastery, 14th century. — Taiwanese card translated text: “Once people fight for prof
What “postcrossing” means
WikipediaPostcrossing is an online project for people to exchange postcards with other project members globally. The project's tag line is "send a postcard and receive a postcard back from a random person somewhere in the world!" The name Postcrossing is a union of the words postcard and crossing, and its origin "is loosely based on the Bookcrossing site".
“Postcrossing” on Wikipedia (CC BY-SA) →#postcrossing across platforms
every network with a public tag surfaceFollow #postcrossing 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/postcrossing