the402 x402 endpoint directory

Literature review and related-paper discovery. Given a seed paper (arXiv id, DOI, or OpenAlex id) or a topic query, re

Restore all four needs in one care action. Any verified payer may care for any hatched target.

Full agricultural commodity report with AI summary

Earnings calendar — upcoming report dates, EPS and revenue estimates for up to 30 tickers

DeFi yield and APY pools. Top yield-farming pools via DefiLlama — APY, TVL, chain, project, and asset, filterable to s

Real-money implied probabilities for macro and sports events from Hyperliquid HIP-4 outcome markets. Answers "what odd

Full PII/token/tenant scrub + report (0.03 USDC Base). Free dirty→clean demo: GET /v0/sample-scrub then POST {text|mar

Cross-asset divergence screener: every asset the desk covers with its latest cached sentiment %, stance, divergence fl

Queries live US river level, streamflow gauge height, and flow velocity metrics using the USGS National Water Informat

Flagship bundle: fetch a URL, extract clean Markdown, and injection-scan the result in one priced call -- cheaper than

Use when the user needs to see a page as it actually renders — visual proof, a preview, a layout check, or a record of

Given a domain name, returns tech stack (CMS, frameworks, analytics, CDN, email marketing, e-commerce), DNS records, W

US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions

Listed, able to charge, and still not selling? We join the Bazaar catalog with measured on-chain revenue and report th

Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document image. Failed extraction calls are not

Web page to clean markdown. Converts any URL into LLM-ready markdown plus structured metadata — a keyless alternative

Realised 30-day yields for 13 tokenized treasury funds: BUIDL, BENJI, OUSG, USDY, USTB, USYC, VBILL, mTBILL, TBILL, cU

Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PMID, returns its references (t

Tiered payment receipt (tier 2): pay once with x402 and get back a short-lived receipt token that /pay/verify checks f

All active Federal Reserve markets with live probabilities in one call — One-call board of the most active Federal Res

AI structured-data extraction: turn any web page, text or HTML into JSON matching YOUR schema. Send JSON with one of u

Convert a public web page into bounded, LLM-ready Markdown with resolved links, citations and a SHA-256 content-addres

Resolves an IP address or domain to its Autonomous System Number (ASN), network owner, country, and hosting/cloud clas

Scored intelligence on freshly-launched Base tokens: safety + momentum → composite score and an AVOID/WATCH/HOT decisi

Building permit records. Construction and building permits across Chicago, NYC, Seattle, and San Francisco — type, sta

DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to spot pr

Bundle public web search, capped source fetching, extractive summarization, and citations into one structured research

Web scraping API: fetch any public web page and get its readable content as clean markdown — title, author, canonical

Use when a page has to become a shareable, archivable document — a receipt, a report, an invoice, a record kept for la

Company research for AI agents $0.03: web + scrape + firmographics + domain trust in one call. Alias: /api/x402/compan

Pre-trade token risk indicators (Base/Eth/Solana). $0.03 Base USDC keyless x402.

Rug/tradeability risk VERDICT for a Base token: a 0-100 score and SAFE/CAUTION/AVOID call from liquidity depth, 24h vo

Can chemical A be safely mixed or stored with chemical B? Pass two CAS numbers or names. Returns a verdict (incompatib

Crypto market regime classification (choppy / uptrend / downtrend / high-volatility) for SOL, BTC, ETH, XRP, DOGE, LTC

Translates travel phrases into any language.

Live rates for Hyperliquid's native on-chain borrow-lend market. Answers "what can I earn supplying USDC on Hyperliqui

The x402 Router: send a plain-English goal in q (e.g. 'audit https://api.example.com/paid', 'price of eth', 'is 0x… a

Full safety profile for any chemical by CAS number or name: GHS hazard classification (signal word, pictograms, H-stat

Same as strategy-consensus, for 2-3 assets in one call -- cheaper than calling the single-asset endpoint that many tim

Return a focused AWS IAM risk score and severity summary for a submitted IAM policy document.

Retrieve chronological business-change events for an exact premises or, when explicitly requested, its parent building

What breaks when you upgrade a package, and what to use instead. Structured migration data from each project's officia

Cross-venue perp positioning (funding + open interest) from Hyperliquid, dYdX v4, Aevo; raw fields, abstains honestly

Invoice verification and supplier verification — verify supplier before payment in France, the invoicing pack of the e

European invoice verification and supplier verification for e-invoicing compliance in Belgium (mandate live since 1 Ja

Facebook Ad Library search by keyword — every live and recent ad matching a search term across all advertisers on Face

Claude-quality translation as a pay-per-call primitive: send text= (up to 6K characters) and to= any language, get onl

Complete latest daily Keelbase Signal records and full synthesis.

CVE and exploitation-in-the-wild signals from Telegram CTI channels. Filters: severity, min_confidence, since, tag(cve

Loads a public URL with JavaScript enabled and returns rendered HTML, title, final URL, byte count, or a base64 screen