{
  "api_status": "preview",
  "generated_at": "2026-10-17T03:40:39.134Z",
  "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 hourly to monthly depending on usage (schedule/1; see evidence.schedule_tier).",
    "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": "nasa",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 8,
  "items": [
    {
      "id": "cand_1dab482520d2afe7",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Satellite Image API",
      "name_source": "registry",
      "host": "agentsvc.io",
      "url": "https://agentsvc.io/api/v1/proxy/satellite-image",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "satellite",
        "nasa",
        "earth",
        "imagery",
        "weather"
      ],
      "category": null,
      "price_usd": 0.013,
      "price_source": "registry",
      "provider_endpoints": 110,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:137",
        "eip155:42161"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T02:45:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T03:31:07.398Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 607
        }
      },
      "registry_usage": {
        "calls_30d": 18,
        "unique_payers_30d": 7,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T03:31:07.398Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-17T02:45:25.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:10:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_1dab482520d2afe7",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_1dab482520d2afe7"
      }
    },
    {
      "id": "cand_fabc799b46eb1597",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "eu-verify",
      "name_source": "registry",
      "host": "data.greeneris.io",
      "url": "https://data.greeneris.io/v1/solar/history",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "solar",
        "irradiance",
        "climate",
        "nasa",
        "energy"
      ],
      "category": null,
      "price_usd": 0.01,
      "price_source": "registry",
      "provider_endpoints": 38,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T00:07:46.000Z",
        "monitoring_days": 0.1,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T03:05:42.835Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 126
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T03:05:42.835Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-17T00:07:46.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-17T00:07:46.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_fabc799b46eb1597",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_fabc799b46eb1597"
      }
    },
    {
      "id": "cand_da01cac80fa19050",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Data Desk",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/events/natural",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "natural-events",
        "eonet",
        "wildfires",
        "disasters",
        "nasa"
      ],
      "category": null,
      "price_usd": 0.01,
      "price_source": "registry",
      "provider_endpoints": 703,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:05:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:25:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_da01cac80fa19050",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_da01cac80fa19050"
      }
    },
    {
      "id": "cand_3ff495d7ee9b7c85",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Earth and Spa",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/asteroids/close-approaches",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "asteroids",
        "close-approaches",
        "nasa",
        "science"
      ],
      "category": null,
      "price_usd": 0.01,
      "price_source": "registry",
      "provider_endpoints": 703,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:15:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:25:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_3ff495d7ee9b7c85",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_3ff495d7ee9b7c85"
      }
    },
    {
      "id": "cand_68b7b95b2b98aeaf",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Earth and Spa",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/geology/at",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "geology",
        "at",
        "nasa",
        "science"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 703,
      "networks": [
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      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
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        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:20:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:20:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_68b7b95b2b98aeaf",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_68b7b95b2b98aeaf"
      }
    },
    {
      "id": "cand_7c1f263ac313f040",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Earth and Spa",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/asteroids/lookup",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "asteroids",
        "lookup",
        "nasa",
        "science"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 703,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:20:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:20:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_7c1f263ac313f040",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_7c1f263ac313f040"
      }
    },
    {
      "id": "cand_96154fbc7fb93a26",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Earth and Spa",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/exoplanets/recent",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "exoplanets",
        "recent",
        "nasa",
        "science"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 703,
      "networks": [
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      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
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        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:20:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:20:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_96154fbc7fb93a26",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_96154fbc7fb93a26"
      }
    },
    {
      "id": "cand_9cc7383920632bcf",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Earth and Spa",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/exoplanets/lookup",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "exoplanets",
        "lookup",
        "nasa",
        "science"
      ],
      "category": null,
      "price_usd": null,
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      "networks": [
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      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
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        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:20:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:20:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_9cc7383920632bcf",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_9cc7383920632bcf"
      }
    }
  ]
}