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Deterministic npm package evidence: registry facts, distribution integrity, provenance, and factual flags for coding agents.

Find and rank Pennsylvania legal-entity candidates when an agent needs to identify which registered business matches a submitted company name.

Free TELAGO Korea geocode discovery preview for AI agents. Shows the paid $0.001 Korea address geocode endpoint and building-enrichment capabilities without an API key.

Ping del servizio: restituisce stato servizio, timestamp e identificatore. Endpoint di prova del primo micro-servizio x402.

Where leveraged liquidity sits above and below the price of a coin, the strongest liquidation magnets with size and distance, and which way the price is being pulled. Use it to judge the likely next move of BTC, ETH or any major coin.

Pay USDC to add that amount to a URL's rank on the public board. Rank is the bid. The amount you pay is the amount credited.

Get holder count and top holders for a token with concentration metrics (HHI)

Orbitwren: Orbital data centers and space AI compute tracker: every orbital data center project (company, hardware, launch, status, sources), launches, orbits, changes and alerts.

Orbitwren: Orbital data centers and space AI compute tracker: every orbital data center project (company, hardware, launch, status, sources), launches, orbits, changes and alerts.

Geocode a place or address, $0.001 USDC per call: Forward geocoding from OpenStreetMap (Nominatim): turn a place name or address into up to 5 matches with lat/lon, full display name, type/class, importance, bounding box, and structured address (road, city, state, postcode, country, country_code). Attribution © OpenStreetMap contributors (ODbL). No match returns 404 (not charged). No params = runs

Currency conversion (ECB), $0.001 USDC per call: Convert an amount between currencies at the latest (or a historical date's) European Central Bank reference rate: amount, from, one or more targets → converted amounts, rate used, inverse rate and rate date. ~30 fiat currencies; no crypto. No params = runs the example input.

Fast x402 liveness check. Returns ok, UTC timestamp and request latency marker. Useful for agents testing payment and connectivity.

Options flow intelligence — unusual activity put/call ratios large block trades

How a website treats AI agents, checked now if needed: bot wall, JavaScript, robots rules, llms.txt or feed, and the fetch strategy to use. Charged only when there is an answer.

Approximate US MFN + China Section 301 duty rates by HS/category ($0.02)

Generate a SHA-512 cryptographic hash from UTF-8 text

Use when you need a trustworthy USD price for crypto assets (ETH, BTC, cbBTC, SOL, LINK, AAVE, stablecoins), fiat FX rates (EUR, GBP, JPY…) or metals (XAU, XAG): reads the Chainlink price feed contracts directly from Base or Ethereum in one multicall and returns price, last update time, age in seconds, a stale flag and the feed address so the value is verifiable on-chain. Up to 10 symbols per call

Onchain-Risk EVM & Solana Honeypot & Rug Scanner: Audits token contracts across Base, Ethereum, Arbitrum, and Solana for rug-pull vectors.

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

Bounty legitimacy check for a GitHub repo or issue: merge speed, payout signals, trap and pile-up red flags, and a verdict (likely_pays / unproven / avoid). Deterministic, public-data evidence.

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Full OI report — all assets, all exchanges, 5-min delta

Micropayment one-page preflight for agents: HTTP/SEO/security evidence with BUY/REVIEW/SKIP verdict before deeper due diligence.

Source-cited ECB foreign-exchange reference conversion with explicit cross-rate math. Underlying ECB statistics are available free; the fee covers validation, calculation, and machine-ready delivery.

Macro-Odds Real-Time Polymarket Prediction Market Stream: Streams live prediction market implied probabilities, volume, and orderbook depth.

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Is this URL up? HTTP status, full redirect chain, final URL, response time, content type, server/CDN and a security-headers grade (HSTS, CSP, X-Frame-Options...).

Full unclaimed-crypto report for one wallet: which open airdrops, reward distributions, refunds and forgotten balances it can still claim (Uniswap 2020 UNI, Merkl on Ethereum/Base/Arbitrum/Optimism/Polygon, Doppler XDP, Drift recovery, CAPX, defunct-DEX ETH), with amounts, USD estimates, deadlines and official claim links. Read-only. Wallets with zero open claims are refused before payment.

Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementation/admin, owner(), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags.