Marketplace · API · x402

api.agentmercantile.com/v1/web-change-snapshot

Determine whether the bounded normalized representation of one public HTTPS webpage has changed since a caller-held baseline. Returns fingerprints and change status, not continuous monitoring, alerts, webhooks, semantic importance, AI summaries, or site-wide crawling.

Endpointhttps://api.agentmercantile.com/v1/web-change-snapshot
Trust100% uptime over 1 checks · ~600 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xdb7b2b54f80479826222749a2ea73a8acc306e1e
methodPOST
last updated2026-11-11T13:35:13.883Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.agentmercantile.com/v1/web-change-snapshot
# 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/x402-273dfb30bdf6fdfa

Search the whole marketplace from your agent (MCP)

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

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