Microdata x402 REST
Paid microdata + RDFa structured data extraction (cycle 92 gating fix)
0 USDC per call
per call
Usdc
306 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.
Rate Limit Policy x402 REST
Paid rate-limit policy inference + adaptive burst probe — parses RFC 9239 RateLimit-* + X-RateLimit-* + X-Rate-Limit-* + Retry-After + vendor-specific headers (GitHub/Shopify/Anthropic/OpenAI) + optional N-request burst...
0 USDC per call
per call
Svcb Record Parser x402 REST
Paid SVCB/HTTPSSVC (RFC 9460+9461) deep parser (cycle 170, x402 $0.001) - probes 11 conventional _<port>._<proto>.<domain> SVCB endpoints (_443._tcp + _443._tcp.www + _443._tcp.api + _80._tcp + _25._tcp + _587._tcp + _85...
0 USDC per call
per call
DNS Rpki Rov x402 REST
Paid RPKI Route Origin Validation (ROV) auditor per RFC 6811 (cycle 172, x402 $0.001) - accepts ?prefix=<CIDR> [auto-resolves announcing ASN via RIPEstat prefix-overview] OR ?prefix=<CIDR>&asn=ASxxxx OR ?asn=ASxxxx; call...
0 USDC per call
per call
x402 Route Pipeline Planner x402 REST
Paid x402 multi-task pipeline planner / orchestrator (cycle 176, x402 $0.001) - accepts POST application/json {'tasks': ['task1', 'task2', ...]} OR GET ?tasks=task1|task2|task3 OR GET ?q=...; maps each task to its best-f...
0 USDC per call
per call
DNS Provider Fingerprint x402 REST
Paid DNS nameserver vendor fingerprint (cycle 116) — queries NS records via Cloudflare DoH, classifies each NS hostname against a 28-provider heuristic table (Cloudflare/AWS-Route53/Google-Cloud-DNS/NS1/Azure/Akamai-Edge...
0 USDC per call
per call
x402 Buy Decision Simulator x402 REST
Paid x402 buying-decision simulator (cycle 146, x402 $0.001) - fetch target's /.well-known/x402, compute per-route monthly_cost and value_at given calls_per_month + value_per_call_usd, classify buy / buy_conditionally /...
0 USDC per call
per call
Cookie Cache Disclosure x402 REST
Paid Set-Cookie × shared-cache disclosure scanner (cycle 148, x402 $0.001) — probes 8 sensitive paths on target origin (/login + /api/me + /api/session + /account + /profile + /dashboard + /me + /api/user, + optional ext...
0 USDC per call
per call
Webauthn Ceremony Trace x402 REST
Paid WebAuthn/FIDO2 ceremony decoder + validator (cycle 155, x402 $0.001) - decodes clientDataJSON + attestationObject for both register and assertion ceremonies; extracts rpIdHash + flags (UP/UV/BE/BS/AT/ED) + signCount...
0 USDC per call
per call
x402 Settlement Path Verify x402 REST
Paid x402 settlement-path verifier (cycle 184, x402 $0.001) - GET ?route=<API_ROUTE>&amount=<ATOMIC> returns live seller-side proof of the FULL payment path: reads the seller USDC balance on Base via eth_call, probes the...
0 USDC per call
per call
DNS Lookup x402 REST
Paid DNS record lookup (A/AAAA/MX/NS/TXT/CNAME) via Cloudflare DoH
0 USDC per call
per call
orbit Chain Reads x402 REST
ENS resolve (name ⇄ address), $0.001 USDC per call: Resolve an ENS name (vitalik.eth, also *.base.eth via CCIP) to its Ethereum address, or reverse-resolve an address to its primary ENS name (forward-verified), plus avat...
0.001 USDC per call
per call
Kenward Receipts x402 REST
Use when an agent must choose which marketplace to spend effort in: how crowded is it (bids per job, measured), and does money actually move here (payer share, buyer behaviour, freshness)? Answered with coverage and as_o...
0.025 USDC per call
per call
SSL Certificate x402 REST
Paid TLS certificate audit (issuer, expiry, signature alg, SAN list) via x402
0 USDC per call
per call
External Resources x402 REST
Paid external-resource inventory (script/stylesheet/font/image/iframe hosts, top domains, 22-family ad/tracker classifier, third-party dependency A-F grade) via x402
0 USDC per call
per call
x402 Bazaar Demand Map x402 REST
Paid x402 Bazaar demand map (cycle 206, x402 $0.001) - GET ?query=<WORDS> OR ?sample=N maps where the money actually moves inside Coinbase CDP's x402 Bazaar by reading the REAL 30-day demand data CDP publishes on every o...
0 USDC per call
per call
x402 Audiobook Narration Advisor x402 REST
Paid audiobook narration economics advisor (cycle 207, x402 $0.001) - GET ?title=<BOOK_TITLE>&author=<AUTHOR>&minutes=<N> OR ?sample=1|2|3 OR POST application/json {title, author, minutes, hourly_llm_rate_usd, tts_usd_pe...
0 USDC per call
per call
x402 Bazaar Indexing Readiness x402 REST
Paid x402 Bazaar indexing readiness report (cycle 205, x402 $0.001) - GET ?url=<SELLER_URL> (default: self) OR ?path=<PATH> asks CDP's OWN keyless validator (POST api.cdp.coinbase.com/platform/v2/x402/validate) whether T...
0 USDC per call
per call
x402 Seller Trust Dossier x402 REST
Paid x402 seller trust dossier (cycle 197, x402 $0.001) - GET ?url=<SELLER_URL> (default: this seller's own public URL) assembles a single buyer due-diligence card from a seller's LIVE surface: who you pay (payTo/asset/n...
0 USDC per call
per call
x402 Bazaar Index Presence x402 REST
Paid x402 Bazaar index presence audit (cycle 205, x402 $0.001) - GET ?url=<SELLER_URL> (default: self) OR ?pay_to=<ADDRESS> checks whether a seller is ACTUALLY LISTED in Coinbase CDP's x402 Bazaar -- the only keyless, pa...
0 USDC per call
per call
x402 Bazaar Competitor Gap x402 REST
Paid x402 Bazaar competitor gap (cycle 206, x402 $0.001) - GET ?url=<SELLER_URL> (default: self) finds out why a seller is invisible in the x402 Bazaar even when it passes validation. Fetches the seller's LIVE 402 and co...
0 USDC per call
per call
x402 Intent Signal Extractor x402 REST
Paid x402 intent signal extractor (cycle 201, x402 $0.001) - ranks a seller's catalog against the intents a buyer agent arrives with. Reads the seller's llms.txt + manifest, extracts declared intents, token-matches each...
0 USDC per call
per call
x402 Spec Surface Conformance x402 REST
Paid x402 spec-surface conformance audit (cycle 200, x402 $0.001) - GET ?url=<SELLER_URL> probes the 9 discovery paths a spec-following AI agent fetches before it can select a paid endpoint: /.well-known/x402.json plus i...
0 USDC per call
per call
x402 Buyer Contract Readiness x402 REST
Paid x402 buyer-contract readiness card (cycle 200, x402 $0.001) - GET ?url=<SELLER_URL> (default: ourselves) answers the one question a buyer agent asks before spending USDC: can I parse the 402 challenge, is it the mon...
0 USDC per call
per call