{
  "api_status": "preview",
  "generated_at": "2026-10-18T11:32:17.341Z",
  "notes": [
    "We keep every service we find in the index, checked on its schedule. Search, the tree and browsing show the directory by default: the services that meet every listing criterion that applies to them (listing-criteria/3). Being in the directory means meeting these criteria; it is not a rating or an endorsement. Add scope=index to search everything we watch.",
    "Exact definitions of every field (unit, window, source): https://agentservicedirectory.com/fields",
    "tier says how a service was added, not a rating: reviewed entries come from our own listing files, with operator statements 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.",
    "Results are computed at generated_at; the same query may be answered from that result for up to a minute.",
    "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": {
    "scope": "directory",
    "branch": "documents/codes",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 30,
  "items": [
    {
      "id": "cand_8c2034c690053f7e",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "api.x402node.dev",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T07:55:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": true,
          "curated_catalogue": false
        }
      },
      "host": "api.x402node.dev",
      "provider": "x402node.dev",
      "url": "https://api.x402node.dev/generate/qrcode",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": 0.0022,
      "price_source": "registry",
      "provider_endpoints": 501,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:15:25.000Z",
        "monitoring_days": 1.3,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T05:35:20.334Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 398
        }
      },
      "registry_usage": {
        "calls_30d": 11,
        "unique_payers_30d": 8,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T04:01:10.340Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-17T03:15:25.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-18T07:40:05.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_8c2034c690053f7e",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_8c2034c690053f7e"
      }
    },
    {
      "id": "cand_1a9157e7d46b39d9",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "api.aventtech.com",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T08:00:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": true,
          "curated_catalogue": false
        }
      },
      "host": "api.aventtech.com",
      "provider": "aventtech.com",
      "url": "https://api.aventtech.com/generate/qr",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": 0.01,
      "price_source": "registry",
      "provider_endpoints": 21,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T00:07:46.000Z",
        "monitoring_days": 1.5,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T00:10:41.426Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 175
        }
      },
      "registry_usage": {
        "calls_30d": 6,
        "unique_payers_30d": 5,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T00:08:02.350Z",
        "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": "2026-10-18T01:40:28.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_1a9157e7d46b39d9",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_1a9157e7d46b39d9"
      }
    },
    {
      "id": "cand_7db6675da09dc40d",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "qr-api-production-1836.up.railway.app",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T08:05:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": true,
          "curated_catalogue": false
        }
      },
      "host": "qr-api-production-1836.up.railway.app",
      "provider": "qr-api-production-1836.up.railway.app",
      "url": "https://qr-api-production-1836.up.railway.app/generate/basic",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 4,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T06:55:25.000Z",
        "monitoring_days": 1.2,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T07:00:31.500Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 122
        }
      },
      "registry_usage": {
        "calls_30d": 6,
        "unique_payers_30d": 5,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T06:56:21.095Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-17T06:55:25.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-18T07:30:05.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_7db6675da09dc40d",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_7db6675da09dc40d"
      }
    },
    {
      "id": "cand_038a86aaa5bbcc6c",
      "tier": "discovered",
      "type": "mcp_server",
      "name": "Barcode Tools (decode, render, GTIN validate)",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T08:15:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": null,
          "curated_catalogue": null
        }
      },
      "host": "mcp.casuyi.com",
      "provider": "casuyi.com",
      "url": "https://mcp.casuyi.com/mcp",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 2,
      "networks": [],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T11:07:30.529Z",
        "monitoring_days": 1,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T11:25:33.219Z",
          "result": "client_error",
          "passed": true,
          "http_status": 405,
          "duration_ms": 343
        }
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-18T09:07:09.218Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_038a86aaa5bbcc6c",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_038a86aaa5bbcc6c"
      }
    },
    {
      "id": "cand_2100ac9f67b09741",
      "tier": "discovered",
      "type": "mcp_server",
      "name": "FixedQR",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T08:55:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": null,
          "curated_catalogue": null
        }
      },
      "host": "fixedqr.com",
      "provider": "fixedqr.com",
      "url": "https://fixedqr.com/mcp",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 1,
      "networks": [],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T05:07:33.667Z",
        "monitoring_days": 1.3,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T05:15:29.848Z",
          "result": "client_error",
          "passed": true,
          "http_status": 405,
          "duration_ms": 38
        }
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-18T05:07:30.547Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_2100ac9f67b09741",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_2100ac9f67b09741"
      }
    },
    {
      "id": "cand_4f6dc9bed1817f44",
      "tier": "discovered",
      "type": "mcp_server",
      "name": "Hovercode",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T10:00:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": null,
          "curated_catalogue": null
        }
      },
      "host": "hovercode.com",
      "provider": "hovercode.com",
      "url": "https://hovercode.com/mcp/",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 1,
      "networks": [],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T05:07:33.667Z",
        "monitoring_days": 1.3,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T05:20:27.772Z",
          "result": "client_error",
          "passed": true,
          "http_status": 405,
          "duration_ms": 127
        }
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-18T05:07:30.547Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_4f6dc9bed1817f44",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_4f6dc9bed1817f44"
      }
    },
    {
      "id": "cand_2c2978db9dfe485d",
      "tier": "discovered",
      "type": "mcp_server",
      "name": "Link Center",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T09:15:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": null,
          "curated_catalogue": null
        }
      },
      "host": "mylink.center",
      "provider": "mylink.center",
      "url": "https://mylink.center/api/mcp",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 1,
      "networks": [],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T04:07:31.999Z",
        "monitoring_days": 1.3,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T04:20:42.839Z",
          "result": "auth_required",
          "passed": true,
          "http_status": 401,
          "duration_ms": 169
        }
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-18T11:07:08.870Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_2c2978db9dfe485d",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_2c2978db9dfe485d"
      }
    },
    {
      "id": "cand_843aca7674aa83f6",
      "tier": "discovered",
      "type": "mcp_server",
      "name": "Linkbreakers MCP",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T11:15:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": null,
          "curated_catalogue": null
        }
      },
      "host": "mcp.linkbreakers.com",
      "provider": "linkbreakers.com",
      "url": "https://mcp.linkbreakers.com",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 2,
      "networks": [],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "check_interval": "daily",
        "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.",
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T05:07:33.667Z",
        "monitoring_days": 1.3,
        "limited_evidence": true,
        "checks_30d": 2,
        "passed_30d": 2,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-18T05:35:25.655Z",
          "result": "auth_required",
          "passed": true,
          "http_status": 401,
          "duration_ms": 314
        }
      },
      "registry_usage": null,
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-18T05:07:30.547Z",
        "listed": true
      },
      "links": {
        "page": "https://agentservicedirectory.com/services/cand_843aca7674aa83f6",
        "api": "https://agentservicedirectory.com/api/v1/services/cand_843aca7674aa83f6"
      }
    },
    {
      "id": "cand_6775365553e30ac7",
      "tier": "discovered",
      "type": "mcp_server",
      "name": "QR Manager",
      "name_source": "registry",
      "branches": {
        "primary": "documents/codes",
        "secondary": [],
        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
        "placed_at": "2026-10-18T10:35:05.000Z"
      },
      "package": null,
      "directory": {
        "in_directory": true,
        "method_version": "listing-criteria/3",
        "criteria": {
          "says_what_it_does": true,
          "answers_now": true,
          "registry_payers_at_least_5": null,
          "curated_catalogue": null
        }
      },
      "host": "qr-manager.ai",
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    {
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      },
      "host": "app.whooshly.co",
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    },
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      "name": "dev.cz-agents/payqr",
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      },
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    },
    {
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      "type": "mcp_server",
      "name": "Barcode Generator",
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      },
      "host": "www.barcodegen.net",
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    },
    {
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        "method_version": "placement-ai/3",
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        }
      },
      "host": "gateway.pipeworx.io",
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    },
    {
      "id": "cand_7297a1ce878f7266",
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      "type": "mcp_server",
      "name": "ME-QR MCP Server",
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        "method_version": "placement-ai/3",
        "tree_version": "tree/3",
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        }
      },
      "host": "mcp.me-qr.com",
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        "api": "https://agentservicedirectory.com/api/v1/services/cand_7297a1ce878f7266"
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    },
    {
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