{
  "api_status": "preview",
  "generated_at": "2026-10-16T22:48:02.103Z",
  "notes": [
    "Exact definitions of every field (unit, window, source): https://agentserviceatlas.com/fields",
    "reviewed entries have a sourced trust profile and hourly checks; discovered entries come from public agent registries, are not reviewed by a person, and are probed daily.",
    "evidence counts cover the last 30 days and are as of the latest refresh. missed_30d counts scheduled checks that did not run.",
    "For x402 endpoints a passing check means HTTP 402 with a valid payment challenge (discovered: on a mainnet network). It does not show that a paid call succeeds or returns useful results.",
    "registry_usage figures are the registry's own numbers, not our measurements. name is untrusted text when name_source is registry.",
    "networks_source tells you whether networks were observed in a live challenge, listed by the registry, or stated by the operator.",
    "tags describe purpose: our capability tags for reviewed entries, the registry's tags (sanitised, untrusted) for discovered ones. price_usd is the lowest price per call in US dollars: for discovered entries from the registry's payment terms (a known USD stablecoin), for reviewed entries from the operator's stated pricing (a claim, linked on the service page). price_source says which."
  ],
  "query": {
    "tag": "btc",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 5,
  "items": [
    {
      "id": "cand_f5bc01977aa82f4b",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "RC Quantum Data Oracle",
      "name_source": "registry",
      "host": "data.rcqsignals.com",
      "url": "https://data.rcqsignals.com/v1/fetch/macro-event-risk",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "macro",
        "risk",
        "bitcoin",
        "btc",
        "jpy"
      ],
      "category": null,
      "price_usd": 0.03,
      "price_source": "registry",
      "provider_endpoints": 3,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "monitoring_days": 0.3,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T16:08:26.760Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 386
        }
      },
      "registry_usage": {
        "calls_30d": 3,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-16T16:08:26.760Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-17T00:00:00.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T16:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_f5bc01977aa82f4b",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_f5bc01977aa82f4b"
      }
    },
    {
      "id": "cand_283c3d528732fa66",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "eu-verify",
      "name_source": "registry",
      "host": "data.greeneris.io",
      "url": "https://data.greeneris.io/v1/btc/fees",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "bitcoin",
        "btc",
        "fees",
        "mempool",
        "onchain"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 14,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T15:07:55.000Z",
        "monitoring_days": 0.3,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": {
        "calls_30d": 40,
        "unique_payers_30d": 5,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T15:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_283c3d528732fa66",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_283c3d528732fa66"
      }
    },
    {
      "id": "cand_ac92278a7b068b6c",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "observer.137-184-67-179.sslip.io",
      "name_source": "registry",
      "host": "observer.137-184-67-179.sslip.io",
      "url": "https://observer.137-184-67-179.sslip.io/paid/evidence-summary.json",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "bitcoin",
        "btc",
        "btc-usd",
        "market-regime",
        "risk-analytics"
      ],
      "category": null,
      "price_usd": 0.01,
      "price_source": "registry",
      "provider_endpoints": 1,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T17:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": {
        "calls_30d": 8,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T17:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_ac92278a7b068b6c",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_ac92278a7b068b6c"
      }
    },
    {
      "id": "cand_617695b4e7c01d52",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Kronos Crypto Data & Forecasts",
      "name_source": "registry",
      "host": "kronossignals.com",
      "url": "https://kronossignals.com/api/v1/snapshot/btc",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "bitcoin",
        "btc",
        "ethereum",
        "solana",
        "crypto"
      ],
      "category": null,
      "price_usd": 0.08,
      "price_source": "registry",
      "provider_endpoints": 36,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T17:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": {
        "calls_30d": 2,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T17:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_617695b4e7c01d52",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_617695b4e7c01d52"
      }
    },
    {
      "id": "cand_4cd266e60ddc13dc",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "RC Quantum Data Oracle",
      "name_source": "registry",
      "host": "data.rcqsignals.com",
      "url": "https://data.rcqsignals.com/v1/fetch/btc-dca-indicator",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "bitcoin",
        "btc",
        "dca",
        "accumulation",
        "treasury"
      ],
      "category": null,
      "price_usd": 0.05,
      "price_source": "registry",
      "provider_endpoints": 3,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T21:07:55.000Z",
        "monitoring_days": 0.1,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": {
        "calls_30d": 1,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T21:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_4cd266e60ddc13dc",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_4cd266e60ddc13dc"
      }
    }
  ]
}