#onyx
Live, measured metrics for the hashtag #onyx from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #onyx
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 2026-09-26 13:57 UTCNo measured public usage for #onyx in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-26 13:57 UTCNo related tags with measured usage found for #onyx.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-26 13:57 UTCNo recent public posts found for #onyx on Mastodon. Nothing measured, so nothing shown.
What “onyx” means
Wiktionary · Wikipediaonyx/ˈɒnɪks/
- nounA banded variety of chalcedony, a cryptocrystalline form of quartz.
- adjectiveJet-black
Onyx is a typically black-and-white banded variety of agate, a silicate mineral. The bands can also be monochromatic with alternating light and dark bands. Sardonyx is a variety with red to brown bands alternated with black or white bands. The name "onyx" is also frequently used for level-banded (parallel-banded) agates, but in proper usage it refers to color pattern not band structure. Onyx, as a descriptive term, has also been incorrectly applied to parallel-banded varieties of alabaster, marb
“Onyx” on Wikipedia (CC BY-SA) →#onyx across platforms
every network with a public tag surfaceFollow #onyx 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/onyx