Adrian Voss

Enumerate any domain's real subdomains from the free, public Certificate Transparency log API (certspotter): no login, no scraping. Every subdomain returned had an actual TLS certificate issued for it. Pay only when subdomains are found; domains with no CT history cost nothing.

Look up any Substack publication by handle or domain via Substack's own archive API. Get name, tagline, posting cadence, free-vs-paid mix, top keywords, and the last 10 posts with engagement counts, built for sponsor prospecting. No subscriber counts (Substack never exposes those).

Look up any company's live Teamtailor job board and get every open role: title, location, apply link. Filter by job title, location, remote, or posted date, or get only the postings that are new since your last run. Charged once per company checked, however many roles it has open.

Threads profile scraper: paste Threads handles or profile URLs and get one flat row per profile with display name, bio, exact follower count, verified badge, private flag, profile picture and bio link. Read live from the profile page's own payload, no login and no cookies. Never charged for a miss.

TikTok profile scraper: paste TikTok handles or profile URLs and get one row per profile: display name, bio, verified badge, follower/following/like/video counts, avatar, and bio link. Reads the profile page's own server-rendered data, no login, no cookies. Charged only for a profile actually found.

Look up any domain's TLS certificate history from public Certificate Transparency logs: issuer, validity window, and full SAN list for every certificate ever logged. No API key. Pay only for domains with certificates found.

Upwork jobs scraper by keyword. Run a search on Upwork's freelance job board and get one row per posting: title, link, description, hourly/fixed budget, experience level, skills, posted date. No login required. Pay per posting returned; empty searches are free.

Look up any domain or URL against the Internet Archive's Wayback Machine. Get the closest archived snapshot, first-ever and most recent capture dates, an estimated site age, and a sample of total captures: all from official archive.org APIs. Charged only when a snapshot exists.

Wellfound (AngelList Talent) company profile lookup by URL or slug: tagline, company size, stage, primary location, website, open job count, and market/industry tags, straight from the company's own Wellfound profile. One row per company. Never charged for a miss.

Fetch We Work Remotely's own per-category RSS feeds and get one clean row per posting: title, company, region, employment type, headquarters, posted date, link and full description. No login, no API key, official feeds only. You pay per posting returned, and an empty category feed costs nothing.

Look up Wikidata entities by QID against the official, free Wikidata API. Get label, description, aliases, and key claims: instance-of, inception date, website, country, founder, headquarters, industry, resolved to plain-English labels, not raw property IDs. Pay only for QIDs that resolve.

Look up any company's live Workday-hosted careers site and get its open roles: title, location, posted date, apply link. Filter by title, location, or remote, or watch for new postings since your last run. Charged once per company checked. None open costs nothing.

Search Working Nomads' live remote-jobs feed by category or keyword and get every matching posting: title, company, location, tags, apply link. Charged once per posting returned, never for a search with no matches.

Twitter profile scraper and X profile API. Paste X handles or profile URLs, get one flat row each: display name, bio, location, website, join date, exact follower, following and post counts, badge type, profile picture and header. No login, no API key. Never charged for a miss.

Look up any YouTube channel by handle, custom URL, or channel ID: subscribers, total views, video count, country, join date, avatar/banner images, every About-tab link, and recent uploads. Reads the channel's live public pages, no API key needed. Charged once per channel found.

Run keyword + location job searches on ZipRecruiter through a real browser and get every posting on the first results page in one row: title, company, location, salary and apply link. No login required. You pay per search that finds results, and a search that finds nothing is free.

LinkedIn Ads checker by company: see if a company or brand is running LinkedIn Ads, straight from LinkedIn's own Ad Library. One row per company: exact ad count, ads in the last 30 days, ad type mix, sample ad links. An enrichment column for lead lists. Never charged for a miss.

Look up books by ISBN against the Internet Archive's free, open Open Library catalog. Get title, authors, publisher, publish date, page count, subjects, cover image URL, and an excerpt where available. Pay only for ISBNs that resolve to a real book.

Shopify store detector and product catalog API. Detect Shopify stores and fetch their full product catalog directly from /products.json: titles, prices, vendors, availability. No API key or scraping needed. Charged once per store, never for a miss.

Real Google PageSpeed Insights score and Core Web Vitals (LCP, CLS, FCP, TBT, Speed Index) for any domain or URL, one flat row per page. A per-domain enrichment column for lead lists, not a multi-page audit. Runs on Google's official PSI v5 API. Bring your own free key for a higher rate limit.

Discover every URL a website's own XML sitemap declares, starting from robots.txt's Sitemap: directive and following sitemap indexes automatically. No key, no page crawling: charged only when a working sitemap is found.

Look up any company's live Workable job board and get every open role: title, location, department, apply link. Filter by job title, location, remote, or posted date, or get only the postings that are new since your last run. Charged once per company checked, however many roles it has open.

Run keyword + location job searches on XING, the leading German-language professional network, and get one row per posting: title, company, location, employment type, pay range and an apply link. No login. Pay per posting returned; a blocked search is free.

Bayt jobs scraper by keyword and location: run a search on Bayt.com, one of the largest job boards in the Gulf and MENA region, and get one row per posting: title, company, location, pay (if stated), link. No login required. Pay per posting returned; empty searches are free.