{
  "api_status": "preview",
  "generated_at": "2026-10-17T02:55:06.453Z",
  "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": "calldata",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 9,
  "items": [
    {
      "id": "cand_0fcaf56c78fd083a",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/flash-scan",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "flash-loan",
        "aave",
        "balancer",
        "zero-capital",
        "calldata"
      ],
      "category": null,
      "price_usd": 0.25,
      "price_source": "registry",
      "provider_endpoints": 16,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999",
        "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "xrpl:0",
        "eip155:56"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T21:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:41:17.320Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 139
        }
      },
      "registry_usage": {
        "calls_30d": 1,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:41:17.320Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T21:07:55.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T21:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_0fcaf56c78fd083a",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_0fcaf56c78fd083a"
      }
    },
    {
      "id": "cand_1fcc3b96267f8664",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/flash",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "flash-loan",
        "aave",
        "balancer",
        "zero-capital",
        "calldata"
      ],
      "category": null,
      "price_usd": 0.75,
      "price_source": "registry",
      "provider_endpoints": 16,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999",
        "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "xrpl:0",
        "eip155:56"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T21:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:45:53.445Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 162
        }
      },
      "registry_usage": {
        "calls_30d": 1,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:45:53.445Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T21:07:55.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T21:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_1fcc3b96267f8664",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_1fcc3b96267f8664"
      }
    },
    {
      "id": "cand_8030a7c33ca67883",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/execute",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "execution",
        "calldata",
        "autonomous-agent",
        "on-chain",
        "arbitrage"
      ],
      "category": null,
      "price_usd": 0.75,
      "price_source": "registry",
      "provider_endpoints": 16,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999",
        "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "xrpl:0",
        "eip155:56"
      ],
      "networks_source": "observed",
      "payment_protocols": [
        "x402"
      ],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T21:07:55.000Z",
        "monitoring_days": 0.2,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:35:52.899Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 131
        }
      },
      "registry_usage": {
        "calls_30d": 1,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:35:52.899Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T21:07:55.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T21:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_8030a7c33ca67883",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_8030a7c33ca67883"
      }
    },
    {
      "id": "cand_e2c034771c9981b7",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Calldata decoder (ABI or",
      "name_source": "registry",
      "host": "agent402.tools",
      "url": "https://agent402.tools/api/calldata-decode",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "crypto",
        "calldata",
        "decode",
        "abi",
        "selector"
      ],
      "category": null,
      "price_usd": 0.003,
      "price_source": "registry",
      "provider_endpoints": 204,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161",
        "eip155:143",
        "eip155:43114",
        "eip155:1329",
        "eip155:10",
        "eip155:4663",
        "eip155:42220"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "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": 0,
        "passed_30d": 0,
        "missed_30d": 0,
        "pass_rate": null,
        "freshness": "no_data",
        "last_check": null
      },
      "registry_usage": {
        "calls_30d": 7,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T00:07:46.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_e2c034771c9981b7",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_e2c034771c9981b7"
      }
    },
    {
      "id": "cand_c9b3b69510382e03",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "quartermaster.surewhynot.app",
      "name_source": "registry",
      "host": "quartermaster.surewhynot.app",
      "url": "https://quartermaster.surewhynot.app/v1/tx-decode",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "transaction",
        "decode",
        "calldata",
        "abi",
        "base"
      ],
      "category": null,
      "price_usd": 0.003,
      "price_source": "registry",
      "provider_endpoints": 41,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T22:07:46.000Z",
        "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": 3,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T22:07:46.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_c9b3b69510382e03",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_c9b3b69510382e03"
      }
    },
    {
      "id": "cand_30530f85d7d62641",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "crypto-abi",
      "name_source": "registry",
      "host": "payai.agentstools.dev",
      "url": "https://payai.agentstools.dev/crypto/abi",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "crypto",
        "abi",
        "encode",
        "decode",
        "calldata"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 357,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T02:50:25.000Z",
        "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": "2026-10-17T02:50:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_30530f85d7d62641",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_30530f85d7d62641"
      }
    },
    {
      "id": "cand_25721f256dd9a197",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "defiexec-build",
      "name_source": "registry",
      "host": "payai.agentstools.dev",
      "url": "https://payai.agentstools.dev/yield/build",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "yield",
        "defi",
        "calldata",
        "non-custodial",
        "base"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 357,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T02:40:25.000Z",
        "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": "2026-10-17T02:40:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_25721f256dd9a197",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_25721f256dd9a197"
      }
    },
    {
      "id": "cand_34a67d814e844e63",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "dexswap-quote",
      "name_source": "registry",
      "host": "payai.agentstools.dev",
      "url": "https://payai.agentstools.dev/swap/quote",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "swap",
        "dex",
        "calldata",
        "non-custodial",
        "base"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 357,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T02:40:25.000Z",
        "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": "2026-10-17T02:40:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_34a67d814e844e63",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_34a67d814e844e63"
      }
    },
    {
      "id": "cand_7e8b2578656760ac",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "txsafety-raw",
      "name_source": "registry",
      "host": "payai.agentstools.dev",
      "url": "https://payai.agentstools.dev/tx/raw",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "security",
        "transaction",
        "calldata",
        "approval",
        "abi"
      ],
      "category": null,
      "price_usd": null,
      "price_source": null,
      "provider_endpoints": 357,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "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": 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": "2026-10-17T02:45:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_7e8b2578656760ac",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_7e8b2578656760ac"
      }
    }
  ]
}