Flathub

Linux desktop apps as Flatpaks — licence, runtime and SDK, content rating, publisher verification, plus install counts broken down by day and by country.

3 endpoints11 calls3/3 passing
Get API key

One Flatpak's appstream record — licence, runtime and SDK, content rating, mimetypes, and whether Flathub verified the publisher.

GET/v1/…flathub/app
passing · 0.6s1h cache

Try it

Checking your keys…

Parameters

id

string · query · required

Flatpak application id.

Example response

{"project":"application:flathub",  "data": {"id":"org.mozilla.firefox","sdk":"org.freedesktop.Sdk/x86_64/25.08","url":"https://flathub.org/apps/org.mozilla.firefox","free":true,"icon":"https://dl.flathub.org/media/icons/128x128/org.mozilla.firefox.png","name":"Firefox","type":"desktop","price":0,"bundle":"app/org.mozilla.firefox/x86_64/stable","source":"flathub","license":"MPL-2.0","runtime":"org.freedesktop.Platform/x86_64/25.08","summary":"Fast, Private & Safe Web Browser",    "keywords": [      "Browser",      "Explorer",      "Internet"    ],"verified":true,    "developer": {"name":"Mozilla"    },"endOfLife":false,    "mimetypes": [      "application/json",      "application/pdf",      "application/rdf+xml",      "application/rss+xml",      "application/x-xpinstall",      "application/xhtml+xml",      "application/xml",      "audio/flac"    ],    "categories": [      "Network",      "WebBrowser"    ],"description":"When it comes to your life online, you have a choice: accept the factory settings or put your privacy first. When you choose Firefox as your default browser, you’re choosing to protect your data while supporting an independent tech company. Firefox is also the only major browser backed by a non-profit fighting to give you more openness, transparency and control of your life online. Join hundreds of millions of people who choose to protect what's important by choosing Firefox - a web browser designed to be fast, easy to use, customizable and private.","freeLicense":true,"manifestUrl":"https://hg.mozilla.org/mozilla-central/file/tip/browser/installer/linux/app/flatpak","contentRating":"Early Childhood","mobileFriendly":false,"contentRatingAge":3,"verificationMethod":"manual","contentRatingSystem":"ESRB"  },"timestamp":"2026-08-18T03:14:34Z"}

Errors

  • 401Missing or invalid x-api-key
  • 404Not found or private
  • 429Rate limit or monthly quota reached

Code

const data = await client.run(  "application:flathub",  "app",  { id: "org.mozilla.firefox" });