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SiteCheck – 225 pay-per-call tools for AI agents (x402 + MCP)

https://api.sitecheck-api.workers.dev
● healthy data

SiteCheck: 225 pay-per-call tools for AI agents, paid per successful call in USDC on Base, Solana or Arc with x402 (no account, no API key; failed calls are never charged). Prediction markets: Polymarket search, events, order books, price history, trades, wallets, leaderboards, holders, resolved markets. Multi-chain: read-only RPC for 22 EVM chains and Solana, token facts, transaction simulation, OFAC crypto-address screening. Compliance: OFAC/EU/UN/UK sanctions, US Consolidated Screening List, World Bank debarment, SEC/CFPB/FTC/DOJ enforcement, UK and US tariffs, eCFR, Federal Register, company registers, SEC filings and 13F. Web: page to Markdown, PDF, OCR, SEO, DNS, SSL, robots.txt, uptime, Wayback snapshots. Research: OpenAlex papers, Hacker News, GitHub and package search, Wikipedia page views. Media and travel: speech to text from media links, YouTube captions, flight fares. Finance: crypto prices, funding rates, indicators, DeFi, World Bank data. Text AI: extraction, invoices and CVs, summaries, rewrites, grammar, SQL and regex generation, JSON repair. Remote MCP server at /mcp.

Category
data
Chains
base
Price
$0.0050 USDC / call

Quality grade

How grading works
B 68.8 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 200)
Payability 20.0 / 20
  • ✓ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 5.8 / 40
2 distinct payers, 2 USDC transfers in the last 30 days
Owner verified 3.0 / 3
Operator proved control of this domain
Endpoint last checked 6 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

18 resource(s) advertised by this origin.

https://api.sitecheck-api.workers.dev/api/audit
https://api.sitecheck-api.workers.dev/api/chat
https://api.sitecheck-api.workers.dev/api/contacts
https://api.sitecheck-api.workers.dev/api/embed
https://api.sitecheck-api.workers.dev/api/hiring
https://api.sitecheck-api.workers.dev/api/iban
https://api.sitecheck-api.workers.dev/api/lei
https://api.sitecheck-api.workers.dev/api/markets
https://api.sitecheck-api.workers.dev/api/markets/brief
https://api.sitecheck-api.workers.dev/api/markets/build-buy
https://api.sitecheck-api.workers.dev/api/markets/quote
https://api.sitecheck-api.workers.dev/api/markets/report
https://api.sitecheck-api.workers.dev/api/recalls
https://api.sitecheck-api.workers.dev/api/transcribe
https://api.sitecheck-api.workers.dev/api/tts
https://api.sitecheck-api.workers.dev/api/uk-insolvency
https://api.sitecheck-api.workers.dev/api/vat
https://api.sitecheck-api.workers.dev/api/violations

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://api.sitecheck-api.workers.dev/api/audit
MCP endpoint
https://api.sitecheck-api.workers.dev/mcp?ref=agenttools-3
/.well-known/x402.json
https://api.sitecheck-api.workers.dev/.well-known/x402

Listed in

Directories this entry was found in.

x402scan pay-skills-pr