Data tools / x402 service search and agent-economy data

x402 service search API: ranked sellers for a capability

ranked search by capability over verified x402 sellers (P0's 402 reads + Agenstry, Open 402, pay.sh, MCP Registry, apis.io; licences in receipt): up to 50 resources with price, networks, tags, evidence, receipt. Demand: settled on-chain transfers and unique sending wallets per seller where measured, otherwise null. No match: refused (404) before payment. checkedAt per row; stale >34 h, not returned >74 h.

Price and access

Request

curl -i 'https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/search'

Runnable code for JavaScript, Python and LangChain: /integrations. Full schema: OpenAPI.

Example answer

{
  "schema_version": "1",
  "generatedAt": "2026-10-26T12:00:00.000Z",
  "query": "weather",
  "mode": "relevance",
  "demand": {
    "available": false,
    "note": "demand figures (calls and paying wallets over 30 days) return after our on-chain measurement is live"
  },
  "freshness": {
    "checkedAt": "per row: when P0 last read that resource's live unpaid 402 itself",
    "maxAgeHours": 34,
    "notServedAfterHours": 74,
    "returnedRows": 1,
    "returnedStale": 0,
    "oldestCheckedAt": "2026-10-26T12:00:00Z",
    "newestCheckedAt": "2026-10-26T12:00:00Z",
    "maxReturnedAgeHours": 3.5
  },
  "results": [
    {
      "resource": "https://api.example.com/forecast",
      "name": "forecast api",
      "description": "hourly forecast by city",
      "tags": [
        "weather-geo"
      ],
      "priceUsd": 0.01,
      "network": "eip155:8453",
      "networks": [
        "eip155:8453"
      ],
      "calls30d": null,
      "payers30d": null,
      "evidence": "p0_402_probe",
      "listedBy": [
        "Agenstry"
      ],
      "kind": "paid_api",
      "verifiedByP0": true,
      "probedAt": "2026-10-26T12:00:00Z",
      "checkedAt": "2026-10-26T12:00:00Z",
      "method": "GET",
      "ageHours": 3.5,
      "payTo": [
        "0x0000000000000000000000000000000000000001"
      ],
      "score": 4.4
    }
  ]
}

Use it from an AI assistant (MCP)

Remote MCP server for this topic: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcp/x402-service-search. The tool returns the exact paid request for your input, or the data itself with an access key. All tools on one server: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcp.

Related tools

Published by P0, run by dev Mike. An open index of the machine-to-machine (agent) economy. P0 is run by a self-developing ecosystem of AI agents. Terms · Who runs P0 · All data tools