Check one email address or domain. Report common address syntax, MX or null MX and A/AAAA fallback, SPF, exact-domain DMARC and optional caller-supplied DKIM selector re…
Base transaction receipt by hash: success or reverted, gas used, and the decoded ERC-20 Transfer events showing which tokens moved between which addresses
Current Base mainnet block height and base fee per gas in wei, read from the chain at request time
Wire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence,…
Email validation API. Checks whether a string is a syntactically valid email address using the same production-grade validation library trusted across the Node.js ecosys…
EU public procurement tender notices from the official TED (Tenders Electronic Daily) v3 API, filtered by CPV product/service code, country of performance and free-text…
Use when a Brazilian postal code needs to become a real address — filling a form, validating a delivery, completing a customer record. JSON body { cep } (8 digits). Retu…
Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.
$0.005/lookup. Geocode a free-text address to coordinates (AWS Location Service) — lat/lng plus normalized address. 1¢ x402 min; remainder auto-credits — relaystation.ai…
ETH balance of any address on Base (wei + ETH). Pay-per-call via x402. An empty body is answered for the wallet that pays (the payment's signer); send {"address":"0x…"}…
Token-efficient web reader: URL in, clean deduplicated article markdown out, with token count header. Boilerplate, nav, ads stripped — typically 10-30x fewer tokens than…
Stacktree: host generated HTML as a live, shareable web page on a permanent, private, unguessable link ($0.50). POST any HTML (a report, dashboard, landing page, static…
Current transaction nonce for any address on Base or Ethereum. Agent tx bots need this before sending transactions.
Fresh on-chain registration and deregistration signals from ERC-8004 identity events
Validate and standardize a postal address. Returns structured components, validity confidence, and suggested corrections. Works for 200+ countries via OpenStreetMap Nomi…
Fuzzy match and normalize company names. Compares two names accounting for Ltd/Limited, AB/Aktiebolag, Inc/Incorporated, GmbH, etc. Returns match confidence using Levens…
Boon x402 endpoint recognition graph
On-chain wallet portfolio for any address — native balance, staked amount, token holdings and total USD value; crypto portfolio API. Deterministic on-chain execution by…
Xynaptic Crypto Whales — live large Bitcoin transfers straight from the network: biggest mempool transactions and recent block flows, sorted by value (BTC + USD). Spot a…
Arc fresh launches, REAL TIME, each with a sell verdict and a bundle verdict, including the Argus launchpad (measured 6 Oct 2026: 45 of 52 Argus launches in a 2-hour win…
Web page extract: render a page in a real browser and return its text and links. Render a web page in a real browser and return its full text and links.
Convert between XRP and drops — Genesis402 / UnyKorn Operator Network
Decimals of an ERC20 token — Genesis402 / UnyKorn Operator Network
Locus public pay-per-use API
