X Pay x402 REST usage
Payment quote with amount, asset, and merchant wallet
0.005 USDC per call
per call
Network
316 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.
IP Lookup x402 REST usage
IP lookup and geolocation: resolve any public IPv4 or IPv6 address to location and network data from a local database (no third-party call, answers in milliseconds): country, country_code, region, city, lat/lon, IANA tim...
0.0055 USDC per call
per call
TransitPulse x402 REST usage
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...
0.05 USDC per call
per call
Following x402 REST usage
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...
0.02 USDC per call
per call
Fetch JSON x402 REST usage
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...
0.002 USDC per call
per call
Bitcoin Network x402 REST usage
Status of a Bitcoin transaction: unconfirmed or confirmed, confirmation depth, fee and fee rate, size and replaceability.
0.03 USDC per call
per call
Network Calc x402 REST usage
Bandwidth of a VoIP call (IP and Ethernet level) for a codec and packetization time, and totals for many calls.
0.02 USDC per call
per call
Saylor Innovations On-Chain Data x402 REST usage
Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner
0.01 USDC per call
per call
Tech stack detection x402 REST usage
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...
0.005 USDC per call
per call
Certificate transparency search x402 REST usage
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...
0.005 USDC per call
per call
A2A Agent Card fetch x402 REST usage
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...
0.005 USDC per call
per call
Geographic DNS Lookup x402 REST usage
Geo-located DNS resolution — resolve hostnames from specific countries to see how CDNs, geo-blocking, and DNS-based routing differ by region.
0.005 USDC per call
per call
Domain WHOIS (RDAP) x402 REST usage
Domain registration data via RDAP (the structured WHOIS successor): registrar, creation/expiry dates, status, nameservers.
0.005 USDC per call
per call
Cheap Utilities x402 REST usage
Inspect a UUID: valid or not, version (1-8), variant, and the embedded timestamp for v1, v6 and v7 UUIDs.
0.02 USDC per call
per call
Identifier Validators x402 REST usage
Validate a 17-character vehicle VIN check digit and decode region, manufacturer code and model-year candidates.
0.02 USDC per call
per call
Saylor Innovations Guide Library x402 REST usage
CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU
0.01 USDC per call
per call
JMT WHOIS RDAP x402 REST usage
Raw RDAP registration record for a domain, returned as structured JSON.
0.002 USDC per call
per call
IP intelligence x402 REST usage
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...
0.01 USDC per call
per call
Saylor Innovations Net Checks x402 REST usage
Email address validation - syntax, MX records, disposable and role address detection and typo suggestions before you send
0.01 USDC per call
per call
Base network and USDC facts x402 REST usage
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.
0.01 USDC per call
per call
HTTP headers + security analysis x402 REST usage
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...
0.003 USDC per call
per call
Email Verifier & Validator x402 REST usage
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...
0.01 USDC per call
per call
DKIM key lookup x402 REST usage
Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain> (RFC 6376). Returns the parsed key params (algorithm, length, flags) so you can verify rotation status or key strength. Caller must know the sele...
0.002 USDC per call
per call
What is my IP | Vextorium x402 REST usage
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.
0.003 USDC per call
per call