the402 x402 endpoint directory

HTML to Markdown API: pass a public URL (or raw HTML) and get clean readable markdown back — title, byline, article bo

Pull the latest global earthquakes filtered by minimum magnitude, with depth, epicenter location, timestamp, and tsuna

Live feed of recent earthquakes worldwide above a magnitude threshold you set — location, magnitude, depth, timing, an

Recent earthquakes API: latest global quakes above your magnitude threshold from a real-time seismic feed (updated eve

Earthquake feed API: the latest global earthquakes above a minimum magnitude from a real-time seismic monitoring feed

Air quality index and pollutant breakdown (PM2.5, PM10, ozone, NO2) for any point on the globe by latitude/longitude.

Current PM2.5, PM10, ozone, and NO2 concentrations plus the composite US air quality index for any latitude/longitude

Current total outstanding US government debt with a same-day-accurate figure, split between publicly held and intragov

The latest official total US federal debt outstanding, down to the penny, broken into debt held by the public versus i

US national debt API: the latest total public debt outstanding, to the penny, with record date and debt-held-by-public

US national debt API: the most recent official total public debt outstanding — to the penny — with record date, debt h

Pull authoritative registration data for any domain name — registrar, nameservers, status codes, and the registration,

Structured registration details for any domain — current registrar, nameservers, status codes, registration and last-u

Look up when any domain is set to expire, along with its registrar, current status codes, nameservers, and last-update

Domain registration lookup API: authoritative registration data for any domain — registration/expiry/update dates, reg

Checks whether a domain's published policy permits AI systems to read, train on, or index its content, parsing the rel

Check whether a domain allows AI usage of its content before you crawl: parses robots.txt Content-Signal and aipref di

Content Signals lookup API: does this domain permit AI use of its content? Fetches robots.txt and parses Content-Signa

List a restaurant's specials — limited menu items or offers, optionally carrying a FLY reward and check-in threshold.

List a restaurant's challenges — FLY reward campaigns completed by payments, referrals, dines, or passport milestones.

List all available FX symbols with their current quality state and source count. AI agent API for discovering availabl

Government reference data series

African reference data series

Search US federal contract awards via USAspending.gov by keyword: recipient, award amount, awarding agency, and descri

The radar's track record: every token it surfaced in the last N days grouped by the verdict it got then, valued at wha

Fetches up to five public web sources through FreshProof’s hardened retrieval pipeline and returns sanitized, prompt

Live gas prices in gwei across Ethereum, Base, Arbitrum, Optimism, Polygon in one call (public RPCs).

Detect the technology stack of a public website: CDN, web server, language/runtime, frontend framework (Next.js, Nuxt,

Metadata for a FRED series: title, frequency, units, seasonal adjustment, observation date range, and popularity. Use

Payment memos attached to B20 transfers: pairs each Memo(address,bytes32) log with its Transfer at the previous log in

Look up a product by its UPC/EAN barcode number via Open Food Facts (open data): name, brand, category, quantity, and

Full-text search across FRED's ~800,000 economic time series. Returns series IDs (use with /api/fred-series), titles,

Recently deployed B20 tokens on Base: scans the factory's B20Created logs over a block window, locates each new token

Make a square thumbnail of an image — scales and center-crops to NxN (default 128). Send a base64 image and optional s

Historical daily weather for any location and date range (up to 1 year): high/low temp, precipitation, wind, condition

End-to-end email-auth report for a domain: SPF + DMARC + DKIM (probes common selectors automatically) + MX records + s

Search the World Bank indicator catalog (1,400+ indicators across GDP, demographics, health, environment, education, e

Boolean verdict with reasons: is this address a real factory-issued B20 on Base? Checks the 0xB200 address prefix, ERC

Convert an image between formats (PNG, JPEG, BMP). Send a base64 image and the target format; returns the converted im

Upcoming and very-recent US economic data release dates — CPI, employment, GDP, FOMC minutes, Treasury auctions, etc.

Most recent total US public debt outstanding (the headline national-debt number, daily) from the Treasury "Debt to the

ERC-20 metadata plus B20 signals for any Base address: name, symbol, decimals, total supply, best-effort paused/cap, b

Resize an image to given pixel dimensions. Send a base64 PNG/JPEG/BMP and width and/or height (give one to scale propo

Check marketing or training content against 56 federal banking compliance rules. Returns violations with regulatory ci

Retrieve a public webpage as sanitized Markdown with prompt injection detection, hidden-instruction, tool-coercion and

Live ticker statistics including mention counts, velocity (mentions/minute), acceleration, and lifecycle stage classif

Deterministic PII sanitizer for AI agents — masks emails, phones, SSNs, cards, IPs.

Resolve any token name, symbol or address to its DEX pools (GeckoTerminal): pool address, network, dex, price, liquidi

Perp funding rates (Hyperliquid): top-15 extremes or requested symbols, hourly + annualized %, mark price, open intere

Turn any public URL into clean, agent-ready markdown (Readability). Title, byline, excerpt, markdown up to 60k chars.