Marketplace · API · x402

audit.152-53-82-29.sslip.io/v1/niche

Check an x402 niche before you build or buy. Send {"query":"pdf to markdown"}. Returns matching bazaar listings and hosts, how many have outside paying buyers in the last 30 days, max and median unique payers, price quartiles overall and among listings with demand, top listings and hosts by payers, and a verdict: empty, no-demand, thin-supply, contested, or incumbent-dominated. From Coinbase discovery metrics, refreshed every 6 hours.

Endpointhttps://audit.152-53-82-29.sslip.io/v1/niche
Trust100% uptime over 1 checks · ~756 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x9Ea52806dB0b25a8130D2b210D5336eC1DCFBa0e
methodPOST
last updated2026-10-19T13:07:56.773Z

Use it

Call it (an x402 client pays automatically)

curl -i https://audit.152-53-82-29.sslip.io/v1/niche
# 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-eb3a65ad6fdecf97

Search the whole marketplace from your agent (MCP)

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

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