{
  "$comment": "Liveness of a rotating sample of the x402 catalog. Alive means the host answered at all — 402 and 401 are correct answers here, so only transport failures and 5xx count against an endpoint. Entries are flagged after 2 consecutive misses and never hidden from search.",
  "source": "Coinbase CDP x402 Bazaar",
  "probed_at": "2026-09-14",
  "catalog_size": 15392,
  "cursor": 9,
  "slice": 600,
  "stride": 25,
  "runs_per_full_pass": 25,
  "window": {
    "probed": 600,
    "ok": 596,
    "unreachable": 4,
    "untestable": 0
  },
  "answered_share": 0.9933,
  "confirmed_unreachable": 3,
  "tracked_unreachable": 28,
  "unreachable": [
    {
      "url": "https://cryptyx.ai/api/taker-flow",
      "reason": "HTTP 500",
      "misses": 2,
      "since": "2026-08-01",
      "last_checked": "2026-09-07"
    },
    {
      "url": "https://api.x402node.dev/domain/check",
      "reason": "HTTP 500",
      "misses": 2,
      "since": "2026-08-17",
      "last_checked": "2026-08-24"
    },
    {
      "url": "https://api.osf-master-server.com/x402/economic/indicators/:query",
      "reason": "timeout after 8000ms",
      "misses": 2,
      "since": "2026-09-07",
      "last_checked": "2026-09-14"
    },
    {
      "url": "https://api.x402node.dev/web/headers",
      "reason": "HTTP 500",
      "misses": 1,
      "since": "2026-08-01",
      "last_checked": "2026-08-01"
    },
    {
      "url": "https://vape-x402.vapex402.workers.dev/data/protocol",
      "reason": "HTTP 502",
      "misses": 1,
      "since": "2026-08-01",
      "last_checked": "2026-08-01"
    },
    {
      "url": "https://api.brazilayer.com/v1/commodities/clima",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-03",
      "last_checked": "2026-08-03"
    },
    {
      "url": "https://coingecko.use.x402atlas.com/price",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://defillama.use.x402atlas.com/fee-summary",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://hyperliquid-predict.use.x402atlas.com/settled",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://instagram.use.x402atlas.com/profile/:username",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://marketdata.use.x402atlas.com/ema",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://straits.live/api/premium/brief",
      "reason": "HTTP 500",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://twitter.use.x402atlas.com/community-tweets",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-10",
      "last_checked": "2026-08-10"
    },
    {
      "url": "https://api.craigmbrown.com/v1/services/oracle.cross-chain-prices",
      "reason": "HTTP 503",
      "misses": 1,
      "since": "2026-08-17",
      "last_checked": "2026-08-17"
    },
    {
      "url": "https://news.apitoll.cloud/v1/cointelegraph/news",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-24",
      "last_checked": "2026-08-24"
    },
    {
      "url": "https://vibesprings.net/api/exchange",
      "reason": "ETIMEDOUT",
      "misses": 1,
      "since": "2026-08-24",
      "last_checked": "2026-08-24"
    },
    {
      "url": "https://api.osf-master-server.com/x402/legal/cases/:query",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-26",
      "last_checked": "2026-08-26"
    },
    {
      "url": "https://api.socialfetch.dev/v1/tiktok/profiles/:handle/videos",
      "reason": "HTTP 500",
      "misses": 1,
      "since": "2026-08-26",
      "last_checked": "2026-08-26"
    },
    {
      "url": "https://api.wallettriage.com/scan",
      "reason": "HTTP 502",
      "misses": 1,
      "since": "2026-08-26",
      "last_checked": "2026-08-26"
    },
    {
      "url": "https://api.osf-master-server.com/x402/screen/sanctions/:name",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-31",
      "last_checked": "2026-08-31"
    },
    {
      "url": "https://app.r3p.xyz/mcp/x402",
      "reason": "HTTP 500",
      "misses": 1,
      "since": "2026-08-31",
      "last_checked": "2026-08-31"
    },
    {
      "url": "https://x402-factory.com/v1/movers",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-08-31",
      "last_checked": "2026-08-31"
    },
    {
      "url": "https://gpt55.558686.xyz/v1/tools/x402-opportunity-finder",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-09-07",
      "last_checked": "2026-09-07"
    },
    {
      "url": "https://techforce-agents.onrender.com/api/all-jobs",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-09-07",
      "last_checked": "2026-09-07"
    },
    {
      "url": "https://x402-factory.com/v1/evergreen/fed-next-meeting-hike",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-09-07",
      "last_checked": "2026-09-07"
    },
    {
      "url": "https://api.brazilayer.com/v1/desmatamento/municipio/:ibge",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-09-14",
      "last_checked": "2026-09-14"
    },
    {
      "url": "https://toll402.dev/v1/t/mst_vn_validate",
      "reason": "HTTP 502",
      "misses": 1,
      "since": "2026-09-14",
      "last_checked": "2026-09-14"
    },
    {
      "url": "https://x402.agentutility.ai/video-to-subtitles",
      "reason": "timeout after 8000ms",
      "misses": 1,
      "since": "2026-09-14",
      "last_checked": "2026-09-14"
    }
  ]
}