{
  "api_status": "preview",
  "generated_at": "2026-10-16T19:20:38.240Z",
  "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": "developer-tools",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 13,
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      "type": "api_endpoint",
      "name": "Quartermaster Text Diff",
      "name_source": "registry",
      "host": "quartermaster.surewhynot.app",
      "url": "https://quartermaster.surewhynot.app/v1/diff",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "diff",
        "compare",
        "text",
        "developer-tools",
        "utilities"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 31,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "observed",
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T18:07:55.000Z",
        "monitoring_days": 0.1,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T18:08:25.208Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 52
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-16T18:08:25.208Z",
        "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": "2026-10-16T18:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_17381c77b80675bf",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_17381c77b80675bf"
      }
    },
    {
      "id": "cand_be2b232a0c0d21d6",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Agent Ready",
      "name_source": "registry",
      "host": "agent-ready.dev",
      "url": "https://agent-ready.dev/api/x402/scan",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "ai",
        "developer-tools",
        "website-analysis",
        "seo"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 1,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "mainnet": true,
      "evidence": {
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        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T15:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T15:08:22.945Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
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        }
      },
      "registry_usage": {
        "calls_30d": 3,
        "unique_payers_30d": 3,
        "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_be2b232a0c0d21d6",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_be2b232a0c0d21d6"
      }
    },
    {
      "id": "cand_5ab304c044109644",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "WHOIS Lookup API",
      "name_source": "registry",
      "host": "tools.ipintel.ai",
      "url": "https://tools.ipintel.ai/whois-lookup",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "whois",
        "domain-lookup",
        "domain-intelligence",
        "registrar",
        "developer-tools"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 6,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T14:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T14:08:23.512Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 891
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T14:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_5ab304c044109644",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_5ab304c044109644"
      }
    },
    {
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      "tier": "discovered",
      "type": "api_endpoint",
      "name": "CF Package Check",
      "name_source": "registry",
      "host": "packages.cfsoft.us",
      "url": "https://packages.cfsoft.us/v1/report",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "developer-tools",
        "supply-chain",
        "npm",
        "pypi",
        "wordpress"
      ],
      "category": null,
      "price_usd": 0.1,
      "price_source": "registry",
      "provider_endpoints": 2,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T18:07:55.000Z",
        "monitoring_days": 0.1,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T18:08:27.289Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 308
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-16T18:08:27.289Z",
        "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": "2026-10-16T18:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_43f476d7e7e2d293",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_43f476d7e7e2d293"
      }
    },
    {
      "id": "cand_c70119718129e89b",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "DNS Lookup API",
      "name_source": "registry",
      "host": "tools.ipintel.ai",
      "url": "https://tools.ipintel.ai/dns-lookup",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "dns-lookup",
        "domain-intelligence",
        "mx-records",
        "txt-records",
        "developer-tools"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 6,
      "networks": [
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      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T13:07:55.000Z",
        "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": 4,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
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        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_c70119718129e89b",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_c70119718129e89b"
      }
    },
    {
      "id": "cand_f374053f8b617995",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Python Code Validator",
      "name_source": "registry",
      "host": "api.statemind.ai",
      "url": "https://api.statemind.ai/v1/x402/static",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "python",
        "code-review",
        "static-analysis",
        "testing",
        "developer-tools"
      ],
      "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": "2026-10-16T13:07:55.000Z",
        "monitoring_days": 0.3,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": 0,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T13:08:21.565Z",
          "result": "client_error",
          "passed": false,
          "http_status": 400,
          "duration_ms": 1022
        }
      },
      "registry_usage": {
        "calls_30d": 5,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T13:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_f374053f8b617995",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_f374053f8b617995"
      }
    },
    {
      "id": "cand_6bc714c404db85f0",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "github-repo-seo-audit",
      "name_source": "registry",
      "host": "x402.charliemorrison.dev",
      "url": "https://x402.charliemorrison.dev/audit",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "github",
        "seo",
        "audit",
        "developer-tools"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 3,
      "networks": [
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      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T13:07:55.000Z",
        "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": 4,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T13:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_6bc714c404db85f0",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_6bc714c404db85f0"
      }
    },
    {
      "id": "cand_8a6395bd97dfb2fd",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Cult OS Developer Tools",
      "name_source": "registry",
      "host": "www.cultos.dev",
      "url": "https://www.cultos.dev/services/site-seo-audit",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "developer-tools",
        "aeon",
        "site-seo-audit"
      ],
      "category": null,
      "price_usd": 0.2,
      "price_source": "registry",
      "provider_endpoints": 8,
      "networks": [
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      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T18:07:55.000Z",
        "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": 11,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T18:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_8a6395bd97dfb2fd",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_8a6395bd97dfb2fd"
      }
    },
    {
      "id": "cand_65bf2ee793a69e7d",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "JWT Decode API",
      "name_source": "registry",
      "host": "tools.ipintel.ai",
      "url": "https://tools.ipintel.ai/jwt-decode",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "jwt",
        "jwt-decode",
        "token-inspection",
        "auth-debugging",
        "developer-tools"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 6,
      "networks": [
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      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T14:07:55.000Z",
        "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": 4,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T14:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_65bf2ee793a69e7d",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_65bf2ee793a69e7d"
      }
    },
    {
      "id": "cand_4f26c0e72b538ac3",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "x402check",
      "name_source": "registry",
      "host": "x402check.arden-instance.workers.dev",
      "url": "https://x402check.arden-instance.workers.dev/check",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "x402",
        "conformance",
        "developer-tools"
      ],
      "category": null,
      "price_usd": 0.002,
      "price_source": "registry",
      "provider_endpoints": 2,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T14:07:55.000Z",
        "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": 4,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T14:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_4f26c0e72b538ac3",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_4f26c0e72b538ac3"
      }
    },
    {
      "id": "cand_4a3ec08b963cf173",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "CF Package Check",
      "name_source": "registry",
      "host": "packages.cfsoft.us",
      "url": "https://packages.cfsoft.us/v1/check",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "developer-tools",
        "supply-chain",
        "npm",
        "pypi",
        "wordpress"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 2,
      "networks": [
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      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T15:07:55.000Z",
        "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": 5,
        "unique_payers_30d": 2,
        "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_4a3ec08b963cf173",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_4a3ec08b963cf173"
      }
    },
    {
      "id": "cand_266f3322ef62705a",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "JSON Schema Validator API",
      "name_source": "registry",
      "host": "tools.ipintel.ai",
      "url": "https://tools.ipintel.ai/json-schema-validator",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "json-schema",
        "json-validator",
        "schema-validation",
        "structured-output",
        "developer-tools"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 6,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 2,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T16:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_266f3322ef62705a",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_266f3322ef62705a"
      }
    },
    {
      "id": "cand_9d190242a5511a5e",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Quartermaster JWT Decoder",
      "name_source": "registry",
      "host": "quartermaster.surewhynot.app",
      "url": "https://quartermaster.surewhynot.app/v1/jwt-decode",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "jwt",
        "token",
        "decode",
        "developer-tools",
        "debugging"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 31,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 3,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T16:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_9d190242a5511a5e",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_9d190242a5511a5e"
      }
    }
  ]
}