Backyard Tools

Live market data from Kalshi (CFTC-regulated prediction market exchange) via the official public REST API — no login, no API key. Query any series ticker and get every market: title, status, yes/no bid-ask, last price, volume, open interest, close time, settlement rules. No personal data.

List every ISIN security code GLEIF has mapped to a company's LEI via the official Access Service (api.gleif.org): bonds, equities, and other instruments per issuer. Give a parent LEI, get all its registered ISINs. CC0 licensed, no login. Useful for securities-master matching and KYC/AML.

Look up any company's Legal Entity Identifier (LEI) record via GLEIF's official public Access Service: legal name, status, jurisdiction, legal form, HQ country/city, managing LOU, registration/renewal dates. CC0 licensed open data, no login. Useful for KYB / due-diligence.

Historical U.S. Treasury auction results (Bills, Notes, Bonds, TIPS, FRNs) via the official public Fiscal Data API — no login, no API key. Query any security term and get every auction: yield, bid-to-cover ratio, offering amount, tender totals. Official U.S. gov data, licensed for commercial reuse.

Monthly average interest rates on U.S. Treasury securities (Bills, Notes, Bonds, TIPS, and more — 22 types) via the Treasury's official public Fiscal Data API — no login, no API key. Query any security type and get every monthly rate on record. Official U.S. gov data, licensed for commercial reuse.

Scrape reviews for any Firefox add-on from addons.mozilla.org (no login) and get pain-point analysis of what users report. Uses the official AMO API.

Scrape Apple App Store reviews for any app in any country (no login) and get optional AI analyses on top: pain points, feature requests, rating trend, and a headline summary you can paste into a report.

Scrape Apple App Store reviews for any app and storefront (no login, official public RSS feed) and get pain-point / feature-request analysis on top: verbatim complaints, not keyword bags.

Fetch every open job posting from any company's Ashby job board via Ashby's official public Job Posting API. Title, department, team, employment type, location, compensation range (when published), description, apply URL, published date. No login, no proxies.

Collect the public posts of any Bluesky account (AT Protocol) without logging in: text, timestamps, like/repost/reply/quote counts, language, and reposts (with the original author separated from the account that boosted it). No account, no proxies, no personal data beyond the public profile handle.

Scrape bugs from any public Bugzilla instance (Mozilla, kernel, GNOME…) and get pain-point analysis of what reporters describe. Uses the official Bugzilla REST API.

Scrape issues from any public Codeberg or Gitea repository (no login) and get pain-point analysis on top. Uses the official Gitea API.

Scrape topics from any public Discourse forum (no login) and get pain-point analysis of what members keep raising. Works with any Discourse site.

Look up any domain's registration record via RDAP (Registration Data Access Protocol), ICANN's official successor to WHOIS. Get registrar, dates, status codes, nameservers, DNSSEC from IANA's authoritative bootstrap directory. No login, no proxies, no personal data.

Search live EU public procurement tenders (740,000+/year, all 27 EU states + EEA) via TED's official Search API. Filter by CPV category and buyer country; get buyer, title, country, CPV codes, publication date, notice link. No login, no key — TED's documented reuse endpoint.

Look up any pharmaceutical company's FDA drug recall history via the official openFDA API (api.fda.gov): recall reason, classification (Class I/II/III), affected product, initiation date, and status. CC0 licensed U.S. government data, no login, no proxies, no API key required.

Scrape issues from any public GitHub repository (no login) and get pain-point analysis on top: the verbatim reports where users describe what is broken and what they want. Uses the official GitHub API.

List every subsidiary in a company's corporate family tree via GLEIF's official Ultimate Children endpoint (api.gleif.org): legal name, status, jurisdiction, HQ country/city, legal form. Give a parent LEI, get every entity GLEIF has resolved beneath it. CC0 licensed, no login.

Lists a company's direct (first-tier) subsidiaries via GLEIF's official Direct Children endpoint: legal name, status, jurisdiction, HQ country/city, legal form. Returns only immediate children, not the full family tree — the layer investors usually mean by "subsidiaries." CC0, no login.

Give this actor a company's LEI and it returns the direct (first-tier) parent via GLEIF's official Direct Parent endpoint: legal name, status, jurisdiction, HQ country/city, legal form. Top-of-hierarchy companies return 0 items, not an error. CC0 licensed, no login.

Search Google News for any query (any language/country): title, publisher, published time, snippet, Google link, plus the publisher's real URL where Google allows it (best-effort, limited per client by Google). No login, no proxies, no personal data. Up to 100 articles per query.

Scrape Google Play Store reviews for any Android app (no login, no API key) and get pain-point / feature-request analysis on top: verbatim complaints ranked by how much more often a term shows up in negative reviews, not a keyword bag.

Fetch every open job posting from any company's Greenhouse job board (board token) via Greenhouse's official public Job Board API. Title, location, department, office, description HTML, apply URL, published/updated dates. No login, no proxies, one request per board.

Scrape Hacker News stories and comments for any keyword (no login) and get an analysis of what the community praises and complains about. Uses the official Algolia HN API.