{
  "api_status": "preview",
  "generated_at": "2026-10-17T04:28:35.810Z",
  "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": "idempotency",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 5,
  "items": [
    {
      "id": "cand_fc268846edd2ca20",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Grokzilla x402 Micro Pay",
      "name_source": "registry",
      "host": "grokzilla.shop",
      "url": "https://grokzilla.shop/api/skills/uuid-mint",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "uuid",
        "ids",
        "idempotency",
        "utilities",
        "deterministic"
      ],
      "category": null,
      "price_usd": 0.003,
      "price_source": "registry",
      "provider_endpoints": 22,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T02:15:47.000Z",
        "monitoring_days": 0.1,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:51:02.647Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 132
        }
      },
      "registry_usage": {
        "calls_30d": 5,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:51:02.647Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-17T02:15:47.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-17T02:15:47.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_fc268846edd2ca20",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_fc268846edd2ca20"
      }
    },
    {
      "id": "cand_23aa6ff553239231",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "UUID v4 generator",
      "name_source": "registry",
      "host": "flat-rate-llm.kikoribera03.workers.dev",
      "url": "https://flat-rate-llm.kikoribera03.workers.dev/v1/util/uuid",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "uuid",
        "uuid-v4",
        "guid",
        "request-id",
        "idempotency"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 50,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T18:07:55.000Z",
        "monitoring_days": 0.4,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:35:46.334Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 19
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:35:46.334Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T18:07:55.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T18:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_23aa6ff553239231",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_23aa6ff553239231"
      }
    },
    {
      "id": "cand_09573b0ba7e75f3f",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "TrollBridge",
      "name_source": "registry",
      "host": "mini-tollbooth.onrender.com",
      "url": "https://mini-tollbooth.onrender.com/idempotency",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "agent-ops",
        "reliability",
        "idempotency",
        "insurance"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 58,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:40:25.000Z",
        "monitoring_days": 0,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": 0,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T04:06:06.543Z",
          "result": "server_error",
          "passed": false,
          "http_status": 503,
          "duration_ms": 110
        }
      },
      "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": "2026-10-17T03:40:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_09573b0ba7e75f3f",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_09573b0ba7e75f3f"
      }
    },
    {
      "id": "cand_33ac47ef2c6881c1",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Guide Library",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/kb/agent-retry-idempotency",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "idempotency",
        "retries",
        "distributed-systems",
        "agent-reliability",
        "payments"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 704,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:25:25.000Z",
        "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_33ac47ef2c6881c1",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_33ac47ef2c6881c1"
      }
    },
    {
      "id": "cand_c165ae15c59d6435",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Saylor Innovations Guide Library",
      "name_source": "registry",
      "host": "saylorinnovations.com",
      "url": "https://saylorinnovations.com/api/kb/reliable-webhook",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "webhooks",
        "retries",
        "idempotency",
        "reliability"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 704,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:25:25.000Z",
        "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_c165ae15c59d6435",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_c165ae15c59d6435"
      }
    }
  ]
}