Marketplace · API · x402

scrapecheck.fly.dev/verify-hash

Checksum tier (deterministic, no LLM): verifies the exact bytes served at a public URL hash to a claimed sha256, by independent double re-fetch. Use it to confirm a download or artifact matches its published checksum. Bodies up to 3 MB; dynamic pages return unverifiable, never a guess. sha256 only. First 100 checks per client are free: resend with header X-Use-Free-Allowance: yes and no payment to use them.

Endpointhttps://scrapecheck.fly.dev/verify-hash
Trust100% uptime over 1 checks · ~125 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x455F20eC147477CAFcd6D77C1604529f3c4Ff665
methodPOST
last updated2026-11-11T13:21:29.596Z

Use it

Call it (an x402 client pays automatically)

curl -i https://scrapecheck.fly.dev/verify-hash
# 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/x402-3338093a7cde3f20

Search the whole marketplace from your agent (MCP)

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