{
  "title": "Johto Data x402 endpoint check stats",
  "generated_at_pt": "2026-11-09 6:37 AM PT",
  "generated_at": "2026-11-09T14:38:13.044Z",
  "sample_size": 59,
  "attempted": 60,
  "sources_in_sample": {
    "402index": 20,
    "x402dash": 20,
    "bazaar": 20
  },
  "method": "One unpaid GET or POST for the 402, facilitator /supported, and MCP parity when /mcp exists. No payments. 1 req/sec/host. One host per directory pick. Sources: 402index.io, x402dash, CDP Bazaar public discovery (20 each).",
  "pass_every_check_pct": 25.4,
  "pass_every_check_count": 15,
  "verdict_pct": {
    "PASS": 25.4,
    "WARN": 40.7,
    "FAIL": 33.9
  },
  "no_fail_pct": 66.1,
  "checks": [
    {
      "id": "status",
      "impact": "blocks_payment",
      "fail_pct": 11.9,
      "warn_pct": 0
    },
    {
      "id": "accepts",
      "impact": "blocks_payment",
      "fail_pct": 10.2,
      "warn_pct": 0
    },
    {
      "id": "version",
      "impact": "blocks_payment",
      "fail_pct": 8.5,
      "warn_pct": 0
    },
    {
      "id": "accept.extra.eip712",
      "impact": "blocks_payment",
      "fail_pct": 5.1,
      "warn_pct": 1.7
    },
    {
      "id": "body.json",
      "impact": "blocks_payment",
      "fail_pct": 5.1,
      "warn_pct": 0
    },
    {
      "id": "envelope",
      "impact": "blocks_payment",
      "fail_pct": 5.1,
      "warn_pct": 0
    },
    {
      "id": "accept.network",
      "impact": "blocks_payment",
      "fail_pct": 1.7,
      "warn_pct": 18.6
    },
    {
      "id": "accept.amount",
      "impact": "blocks_payment",
      "fail_pct": 1.7,
      "warn_pct": 0
    },
    {
      "id": "facilitator.fetch",
      "impact": "blocks_payment",
      "fail_pct": 1.7,
      "warn_pct": 0
    },
    {
      "id": "redirect",
      "impact": "blocks_payment",
      "fail_pct": 1.7,
      "warn_pct": 0
    },
    {
      "id": "facilitator.supported",
      "impact": "blocks_payment",
      "fail_pct": 0,
      "warn_pct": 27.1
    },
    {
      "id": "mcp.parity",
      "impact": "client_specific",
      "fail_pct": 13.6,
      "warn_pct": 30.5
    },
    {
      "id": "accept.v1fields",
      "impact": "client_specific",
      "fail_pct": 0,
      "warn_pct": 11.9
    },
    {
      "id": "consistency.accepts",
      "impact": "client_specific",
      "fail_pct": 0,
      "warn_pct": 10.2
    },
    {
      "id": "version.header",
      "impact": "client_specific",
      "fail_pct": 0,
      "warn_pct": 8.5
    },
    {
      "id": "consistency.version",
      "impact": "client_specific",
      "fail_pct": 0,
      "warn_pct": 6.8
    },
    {
      "id": "resource.mimeType",
      "impact": "cosmetic",
      "fail_pct": 0,
      "warn_pct": 8.5
    },
    {
      "id": "accept.description",
      "impact": "cosmetic",
      "fail_pct": 0,
      "warn_pct": 6.8
    }
  ],
  "checker": {
    "url": "https://johtodata.com/api/x402-lint",
    "price_usd": 0.01
  },
  "note": "Aggregate only. Individual sellers are not named. Impact: blocks_payment stops settlement for typical clients; client_specific breaks some clients; cosmetic does not block payment."
}