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API · /flathub-api

Flathub API

healthy 3,403 Subscribers

The Linux desktop-app store — Flathub (Flatpak) — as an API. Look up any app by its reverse-DNS id for its name, summary and description, developer, license, categories, homepage / bug-tracker / donation links, latest version and release date, screenshot count and total install count; search the whole store by keyword; and read an app's install statistics, including last-month and last-7-day installs and the top countries. Every app comes with the exact `flatpak install` command. Covers the Linux desktop from Firefox, Blender, GIMP, OBS Studio and Inkscape to VLC, Krita and LibreOffice. Live from the official flathub.org API. Ideal for app catalogs and dashboards, software-center integrations, Linux developer tooling and install-analytics. Open data from Flathub.

#flathub #flatpak #linux #apps #developer-tools #app-store
api.oanor.com/flathub-api
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Machine-readable spec so AI agents can integrate this API.

/api/flathub-api/openapi.json
/api/flathub-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
200 ms
Server probes · 24h
Subscribers
3,403
active
Total calls
116
last 7 days
status Full status page → · 16 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,580 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,580 calls/month
  • 2 req/sec
  • App + search + stats
  • No credit card
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Starter

€4.25 /month

  • 47,900 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 47.9k calls/month
  • 8 req/sec
  • Install stats + categories
  • Email support
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Pro

€12.75 /month

  • 238,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 238k calls/month
  • 20 req/sec
  • App catalogs / software centers
  • Priority support
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Mega

€33.95 /month

  • 1,192,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.19M calls/month
  • 50 req/sec
  • Linux app-data platform
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

AUR API

The Arch User Repository (AUR) as an API. Look up any AUR package for its version, description, upstream URL, maintainer and submitter, community votes and popularity score, license, out-of-date flag, keywords and full dependency lists (depends, make-depends, opt-depends), plus its source snapshot and ready-to-run git-clone command; search the whole AUR by name, description, maintainer, dependencies or keywords (results sorted by popularity); and list every package maintained by a given user. Covers the 90,000+ community-maintained packages of Arch Linux, from yay, paru and visual-studio-code-bin to google-chrome and spotify. Live from the official AUR RPC. Ideal for Arch/AUR helpers and dashboards, package and dependency tooling, and Linux developer portals. Open data from the Arch User Repository.

api.oanor.com/aur-api

App Store API

Search and look up apps on the Apple App Store as an API. Pass a search term and get matching iOS apps with their developer, average star rating and rating count, price, category and icon; or look up a single app by its App Store id (or bundle id) for the full record — description, current version, release and update dates, content rating, minimum iOS version, app size, supported languages, screenshots and the store link. Ratings and price are returned per country (default US). Live from the public iTunes Search API. Ideal for app-store optimisation (ASO), competitor and market research, app directories, review dashboards and mobile-developer tools. Public Apple data.

api.oanor.com/appstore-api

GST API

Validate and decode Indian GSTINs (the 15-character Goods & Services Tax Identification Number) instantly and entirely offline. The validate endpoint checks the structure and recomputes the official GSTIN check digit — the base-36 weighted algorithm the GSTN itself uses — and confirms the embedded state code is real, returning a clear valid/invalid verdict with the specific reasons a number fails. The decode endpoint breaks a GSTIN into its parts: the GST state/UT code and its name, the embedded 10-character PAN, the PAN holder type (company, individual/proprietor, firm/LLP, HUF, trust, government and more, read from the PAN's 4th letter), the entity registration number, the default 'Z' slot and the check digit. A states endpoint returns the full GST state-code reference for building dropdowns and lookups. Everything is pure computation — no network call, no key, no cache — so it is fast and private, ideal for checkout and onboarding forms, invoicing and e-invoice/e-way-bill pipelines, vendor master data cleansing and bulk validation. A structural GSTIN validator and decoder — distinct from EU VAT-number validation (vat), IBAN bank-account validation (iban) and card-number checks (creditcard). Note: this verifies the number's structure and check digit, not whether it is actively registered in the GSTN portal. No upstream key, no cache.

api.oanor.com/gst-api

ads.txt API

Fetch and evaluate any publisher's ads.txt / app-ads.txt — the IAB authorized-digital-sellers standard. Pass a domain and the check endpoint fetches its ads.txt server-side, then returns every seller record parsed into its fields — advertising system, the publisher's seller/account id, the DIRECT or RESELLER relationship and the optional certification-authority id (TAG-ID) — alongside counts (direct, reseller, distinct ad systems) and the declared variables OWNERDOMAIN, MANAGERDOMAIN, CONTACT and SUBDOMAINS. The verify endpoint answers the one question programmatic-advertising integrations actually ask: is this advertising system, with this publisher id, authorized to sell this domain's inventory? — returning an authorized boolean and the matching records. A missing file is reported as found:false (not an error), and soft-404 HTML pages are detected and rejected so you never parse a "page not found" as records. The request is made server-side and private or internal targets are refused (SSRF-guarded). Built for ad-tech supply-chain verification, SSP/DSP onboarding checks, anti-fraud and inventory audits. An ads.txt seller-authorization checker — distinct from the security-contact file reader (securitytxt), the robots.txt crawlability evaluator (robots) and the sitemap parser (sitemap). No upstream key, no cache.

api.oanor.com/adstxt-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Flathub API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Flathub API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Flathub API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Flathub API cost?
Flathub API has a free tier with 100 calls / month. Paid plans start at €4.25 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Flathub API GDPR-compliant?
All requests to Flathub API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/flathub-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/flathub-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/flathub-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/flathub-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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