Test your x402 client or agent for the minimum price: confirms the payment arrived and echoes back the network, scheme, payer and amount the server saw, your IP, user ag…
US drug facts from the official label (openFDA): brands, active ingredient, uses, dosage, warnings, contraindications, interactions, pregnancy and manufacturer. Informat…
Aave v3 position health for a wallet on five chains: collateral, debt, borrowing power, LTV, liquidation threshold and health factor with a risk label.
Check an x402 endpoint before paying it. Give it any x402 URL: it makes the unpaid request, decodes the 402 challenge, reads the origin's .well-known/x402 and openapi.js…
alest.io x402 test endpoint. Returns a signed-off JSON confirming the payment. Useful to test agent payments on Base.
AUTO411 is a VIN lookup and vehicle data API for AI agents. Resolve a full VIN or year, make and model to a validated vehicle identity and configuration, then retrieve s…
Stratalize — Project Controls for construction schedules. Pay-per-call finance, legal, healthcare, and compliance data tools, each with a signed, independently verifiabl…
Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a testnet address dressed as mainnet, or a listing whose…
Scan supplied recommendation, seller, and relationship evidence for conflict-of-interest review signals.
Query or append signed evidence-backed agent limitation records with correction and dispute handling.
Text embeddings. $0.01 USDC per call on Base, no API key. POST JSON { input: a string or up to 64 strings }. Model jina-embeddings-v3, 1024 dimensions. Returns { embeddi…
Daily state-of-the-network report on the x402 ecosystem, built exclusively from our own probes (~2 per host per day): how many hosts we monitor, share of probes returnin…
Preflight before paying an x402 service: is it working right now, and did it work the past 30 days? One live probe of the exact resource URL you intend to pay (status, l…
Classify a caller-supplied operation claim against caller-supplied evidence under deterministic rules and return a machine-readable handoff receipt. Use this when an orc…
Block height, difficulty, peers, chain health — flat $0.001 per call, USDC on Base, no signup.
API uptime and reliability monitoring for any x402 endpoint: a live quality verdict covering availability, uptime, latency percentiles, 402-offer conformance, price-drif…
Check whether a domain is reachable and healthy: DNS, certificate, redirects, security headers. One call on a domain: A, AAAA, NS, MX and SPF records; the TLS certificat…
Stablecoin market in one route: top stablecoins by supply with peg price, deviation and 24h/7d supply change, one coin's peg health with its top chains, or stablecoin su…
Send a task in plain words and let the router pick and run the right capability. One endpoint for any capability. Send a task in plain words, or name a capability and it…
Hourly air-quality data (PM2.5, PM10, ozone, NO2, European/US AQI) for any lat/lon, from the Copernicus CAMS model served by Open-Meteo (CC-BY 4.0), updated hourly. Quer…
Korea company due diligence report (KYB) in English: identity and IDs, live National Tax Service status, normalised address, 3 years of financials (revenue, operating pr…
Security and provenance for an open-source package, composed live from three authoritative sources in one call. Pass ecosystem (npm, pypi, go, maven, cargo, nuget) + nam…
Search the global corpus of published fact-checks (ClaimReview) by free-text claim. Returns matching claims with the claimant, claim date, and each fact-check review's v…
Search OSHA inspection records via the US Department of Labor Open Data Portal (~5M historical inspections). Filter by US state (2-letter), city, zip, or establishment-n…
