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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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Search & web
367 results- Xx402-watcher-api-main.jpgame-intel.workers.devSearch & web
Daily digest and market analysis report of the Japanese game industry: original English-language analysis and news summaries curated from Japanese-only sources, with a link to every original article. Updated once per day. No API keys, no sign-up — pay per call in USDC on Base via x402.
Basex402-watcher-api-main.jpgame-intel.workers.devfrom $0.021 endpoint - IItalianCompanyCheckSearch & web
Italian company registry lookup, verification and KYB pre-check using official/public sources: Registro Imprese / InfoCamere HVD, VIES, GLEIF, OpenCoesione and AGCM where applicable. Search by Codice Fiscale, Partita IVA or LEI. Returns normalized identity, status, legal form, address, NACE/ATECO, source timestamps and VAT verification. For supplier verification, procurement, due diligence and com
Baseitalian-company-check-fdsbh7p2bq-oc.a.run.appfrom $0.021 endpoint - Eextract.genexxis.comSearch & web
Fetches a public web page URL and returns its main article content as clean Markdown with title, byline and excerpt; strips navigation, ads and scripts. Useful for RAG ingestion and LLM context.
Baseextract.genexxis.comfrom $0.0021 endpoint
Distro MediaSearch & webPremium news articles, books, content and blog posts from independent journalists, news teams, publishers and companies on Distro Media. Pay per article in USDC via x402. Article: How we built JournoBot, the world's first decentralized newsroom agent
Baseapp.distro.mediafrom $0.051 endpoint- ZZeroWorker Web Action APISearch & web
Avoid unnecessary browser launches with a lightweight preflight for AI agents. ZeroWorker inspects public pages before browser automation and returns static forms, field constraints, CAPTCHA/SPA signals, DNS/public-network safety checks, and a 3-state routing verdict: http_candidate, browser_likely, or undetermined. Use it to choose direct HTTP or escalate to a browser. No API key required. $0.003
Basezeroworker-web-action-api.zeroworker-lab.workers.devfrom $0.0031 endpoint - Sscrape-toll-production.up.railway.appSearch & web
Scrape any URL, return clean text. Body: {"url": "https://example.com"}
Basescrape-toll-production.up.railway.appfrom $0.022 endpoints - DDeAI Artifact GatewaySearch & web
DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.
Baseresearch.zaiba.cloudfrom $0.011 endpoint - SSkuuy ReadSearch & web
Skuuy Read — URL to clean Markdown (100 reads/day free)
Baseread.skuuy.comfrom $0.0012 endpoints - Nnojunk-web-read.mick8511.workers.devSearch & web
Read any public web page as clean JSON: title, description, site name, publish date, language, readable text (boilerplate removed), Markdown and the page's links. Give it a URL, get the content back in one call. HTML, plain text, JSON and XML pages supported.
Basenojunk-web-read.mick8511.workers.devfrom $0.0021 endpoint - Iirb-precedent-api.canvas-cart.workers.devSearch & web
Full text of one IRS Internal Revenue Bulletin document (Revenue Ruling, Revenue Procedure, Notice, Announcement, or Treasury Decision), 2003 to present. Get the id from GET /search?q=<keywords>. Use this when you need the complete, verbatim text of a specific IRS guidance document for tax research, not a summary.
Baseirb-precedent-api.canvas-cart.workers.devfrom $0.011 endpoint - Ffda-iom-api.canvas-cart.workers.devSearch & web
Full text of one section of the FDA Investigations Operations Manual (IOM). Get the id from GET /search?q=<keywords> or GET /chapter/:id. Use this when you need the complete, verbatim text of a specific IOM section for inspection-readiness or regulatory research, not a summary.
Basefda-iom-api.canvas-cart.workers.devfrom $0.011 endpoint - EEefReadSearch & web
Read any public web page and get back clean readable text plus title, word count and fetch metadata. Use it when an agent needs page content without parsing HTML itself. Pay per call with x402.
Baseeefread.run402.comfrom $0.0011 endpoint - EEU Trademark Search (EUIPO)Search & web
EU trademark search (EUIPO) — find registered and pending EU trademarks by name, optionally filtered by Nice class; returns trademark names, application numbers, status, owners, classes and key dates as clean JSON.
BasePolygonArbitrum+1euipo.use.x402atlas.comfrom $0.501 endpoint - CCrawl Pre-FlightSearch & web
Crawl pre-flight for a domain: will you be blocked, is content behind a paywall, and how much is actually there. Returns per-bot robots.txt verdicts for 16 AI crawlers, crawlable page count from sitemaps, detected CDN and paid-access signals (x402, TollBit), plus a fetch/skip recommendation. Call before spending requests on an unknown domain.
BasePolygonArbitrumcrawl-preflight.postnov01.workers.devfrom $0.021 endpoint - Xx402-v2-mint-zenodo-communities.vercel.appSearch & web
Zenodo communities search (keyless). POST {q|query}/{size?}. Empty -> 400 not charged. Adjacent to zenodo-record.
Basex402-v2-mint-zenodo-communities.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-usaspending-awards.vercel.appSearch & web
USAspending.gov award search (keyless). POST {filters?}/{keyword?}/{limit?}. Empty -> 400 not charged. sec-ticker / bls / worldbank / treasury-debt adjacency disclosed.
Basex402-v2-mint-usaspending-awards.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-uniprot-protein-lookup.vercel.appSearch & web
UniProt protein search (keyless). POST {query} and/or {size?,accession?}. Empty → 404 not charged.
Basex402-v2-mint-uniprot-protein-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-tfl-stop-search.vercel.appSearch & web
TfL StopPoint search (keyless, UK/London-scoped). POST {q|query}. Empty -> 400 not charged.
Basex402-v2-mint-tfl-stop-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-tfl-line-status.vercel.appSearch & web
TfL Line Status (keyless, UK/London-scoped). POST {mode?|line?}. Empty -> 400 not charged. Adjacent to tfl-stop-search.
Basex402-v2-mint-tfl-line-status.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-steam-appdetails.vercel.appSearch & web
Steam store appdetails (keyless). POST {appid|appids}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New Steam games lane (≠ itunes-search; ≠ tvmaze).
Basex402-v2-mint-steam-appdetails.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-spaceflight-news-articles.vercel.appSearch & web
Spaceflight News API articles (keyless). POST {limit?, search?, news_site?, offset?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose launch-library-upcoming / news-brief-with-sources.
Basex402-v2-mint-spaceflight-news-articles.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-scryfall-cards.vercel.appSearch & web
Scryfall MTG card search (keyless). POST {q|query|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. MUST project/trim (~347KB dump); soft ↔ dnd5e-spell / steam-appdetails / ygoprodeck.
Basex402-v2-mint-scryfall-cards.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-ror-org-search.vercel.appSearch & web
ROR research organization search (keyless). POST {q|query}. Empty -> 400 not charged. OpenAlex-institutions/Crossref adjacency disclosed.
Basex402-v2-mint-ror-org-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-rickandmorty-character.vercel.appSearch & web
Rick and Morty character search (keyless). POST {name|q|query,status?,species?,limit?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose tvmaze-search.
Basex402-v2-mint-rickandmorty-character.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-rhea-reaction-search.vercel.appSearch & web
Rhea enzyme reaction search (keyless). POST {q|query}/{ec?}/{limit?}. Empty -> 400 not charged.
Basex402-v2-mint-rhea-reaction-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-reactome-pathway-search.vercel.appSearch & web
Reactome pathway search (keyless). POST {q|query}/{types?}. Empty -> 400 not charged.
Basex402-v2-mint-reactome-pathway-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-pride-project-search.vercel.appSearch & web
EBI PRIDE proteomics project search (keyless). POST {q|query|keyword}/{pageSize?}. Empty -> 400 not charged.
Basex402-v2-mint-pride-project-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-plos-article-search.vercel.appSearch & web
PLOS Solr article search (keyless). POST {q}/{rows?}/{start?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: crossref / doaj / europepmc / pubmed (publisher-search ≠ Crossref/DOAJ/EuropePMC/PubMed primary).
Basex402-v2-mint-plos-article-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-osf-nodes-search.vercel.appSearch & web
OSF nodes search (keyless). POST {title?}/{filter?}/{pageSize?}. Empty -> 400 not charged. openaire/zenodo/dataverse adjacency disclosed.
Basex402-v2-mint-osf-nodes-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-openproducts-product-search.vercel.appSearch & web
Open Products Facts product search (keyless). POST {q|query}/{barcode?|code?}. Empty -> 400 not charged.
Basex402-v2-mint-openproducts-product-search.vercel.appfrom $0.021 endpoint
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.