Data tools / x402 service search and agent-economy data

Top x402 sellers API

reference list of x402 sellers: ranked by unique sending wallets to the seller's wallet where P0 has counted them on-chain (one row per wallet), otherwise strongest evidence first, cheaper first among equals; free (amount 0) entries are not listed. 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/top'

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

Example answer

{
  "generatedAt": "2026-10-26T12:00:00.000Z",
  "count": 25,
  "demand": {
    "available": false,
    "note": "demand figures (calls and paying wallets over 30 days) return after our on-chain measurement is live"
  },
  "method": "reference list of x402 sellers: resources whose 402 P0 read itself first, then registry-verified sellers; cheaper first among equals; this is not a demand ranking",
  "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
  },
  "services": [
    {
      "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": 2.2
    }
  ]
}

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