Marketplace · API · x402

agent-tools-production-e6aa.up.railway.app/v1/site-check

Check whether a website is up right now: HTTP status, response time in ms, full redirect chain, and the SSL certificate's validity, issuer and days until expiry. Use when monitoring a site, diagnosing a broken link, or warning that a certificate is about to expire. A site that is down still returns 200 with up:false and the error. Errors: 400 bad or private URL.

Endpoint	`https://agent-tools-production-e6aa.up.railway.app/v1/site-check`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~98 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x1254f70ceed55d2e2d087e28f1ee2368d19e0399
method	GET
last updated	2026-11-12T12:42:09.901Z

Use it

Call it (an x402 client pays automatically)

curl -i https://agent-tools-production-e6aa.up.railway.app/v1/site-check
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-5d550fee253e8a98

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

agent-tools-production-e6aa.up.railway.app/v1/site-check

Use it

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