X Pay x402 REST usage
Payment quote with amount, asset, and merchant wallet
305 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Payment quote with amount, asset, and merchant wallet
Rail/coach/ferry/cruise compensation eligibility — UK Delay Repay, EU Rail 2021/782 (25/50%), EU/UK ferry 1177/2010, EU coach 181/2011, US FMC cruise refunds (46 CFR 540, 3-day rule), Athens Convention ship baggage — plu...
Detect the technology stack of a public website: CDN, web server, language/runtime, frontend framework (Next.js, Nuxt, SvelteKit, Remix, Astro, React, Vue, Angular), CMS (WordPress, Drupal, Ghost, Shopify, Wix, Squarespa...
X/Twitter followings list for AI agents - one page (up to 20 shown) of who an account follows, no API key or login. Handle, name, bio, follower/following counts, verified status. Map an account's network, find who a foun...
Fetch a public URL and return its JSON response body as parsed JSON, with the final URL after redirects and the content type. GET only, up to 2MB, private and internal addresses refused (including after redirects). The b...
Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner
CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU
Domain registration lookup via RDAP (modern WHOIS). Returns registrar, registrar_url, created_at, updated_at, expires_at, days_until_expiry, name_servers array, status array, and registrant_country. Clean JSON, no raw WH...
Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admi...
Geo-located DNS resolution — resolve hostnames from specific countries to see how CDNs, geo-blocking, and DNS-based routing differ by region.
Email address validation - syntax, MX records, disposable and role address detection and typo suggestions before you send
IP address info, classify an IP. Classify an IPv4 or IPv6 address without any lookup: version, whether it is private, loopback, link-local, carrier-grade NAT or public, and its integer and reverse-DNS forms (IPv4). Use t...
Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card - tries /.well-known/agent-card.json then /.well-known/agent.json (or fetches a direct .json URL as-is) - and validate it against the spec v0.3 structural...
Domain registration data via RDAP (the structured WHOIS successor): registrar, creation/expiry dates, status, nameservers.
Search public Certificate Transparency logs for every cert issued to a domain. Two independent public CT search services are queried, the second only if the first is slow or fails, and `source` names the one that answere...
Raw RDAP registration record for a domain, returned as structured JSON.
IP intelligence. One call for everything about an IP address: its type (public, private, loopback, carrier-grade NAT), the registry record (holding organisation, network name and range, registration country, abuse contac...
Details of an IPv4 network in CIDR notation: network and broadcast address, first and last usable host, netmask, number of addresses, and whether a given IP falls inside. Use for firewall rules and allowlists.
Reference facts for paying and reading on Base mainnet: chain id, native USDC contract and decimals, block explorer and public RPC URLs, and the x402 network identifier. Use to configure an x402 or Base client.
Fetch a URL and return every response header plus a security analysis: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP/CORP/COEP. Scores 0–100 by presence, flags weak HSTS, a...
Your public IP address as the server sees it, IPv4/IPv6, network prefix, operator (ASN) and registration country, plus your user agent. Check where an agent exits from or whether a proxy/VPN works.
IP lookup. Look up who holds an IPv4 or IPv6 address in the regional internet registries' public RDAP records (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC): the holding organisation, network name and range, allocation type, r...
Domain & DNS intelligence — records, SSL certs, subdomain discovery.
Network health and token-economics verdict for a DePIN network from public data. Give network (helium) and get coverage size (IOT and MOBILE node counts), token supply for HNT, IOT, MOBILE and DC read on-chain, the emiss...