Marketplace · API · x402

api.kadec0.xyz/v1/serp-multi

Multi-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.

Endpointhttps://api.kadec0.xyz/v1/serp-multi
Trust✓ Verified callable · 100% uptime over 1 checks · ~374 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
methodGET
last updated2026-10-27T00:49:47.879Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.kadec0.xyz/v1/serp-multi
# 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/x402-20d6845d0d719c31

Search the whole marketplace from your agent (MCP)

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