{
  "api_status": "preview",
  "generated_at": "2026-10-16T21:07:36.315Z",
  "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": "arbitrage",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 12,
  "items": [
    {
      "id": "cand_1cdb6e148787eb48",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "RacingPulse",
      "name_source": "registry",
      "host": "racingpulse.theaslangroupllc.com",
      "url": "https://racingpulse.theaslangroupllc.com/api/calculator",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "horse-racing",
        "betting-calculator",
        "kelly",
        "expected-value",
        "arbitrage"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 13,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999",
        "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
        "xrpl:0",
        "eip155:56"
      ],
      "networks_source": "observed",
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T19:07:55.000Z",
        "monitoring_days": 0.1,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T19:08:27.491Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 352
        }
      },
      "registry_usage": {
        "calls_30d": 1,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-16T19:08:27.491Z",
        "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": "2026-10-16T19:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_1cdb6e148787eb48",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_1cdb6e148787eb48"
      }
    },
    {
      "id": "cand_583274a554367baf",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "x402tap.com",
      "name_source": "registry",
      "host": "x402tap.com",
      "url": "https://x402tap.com/api/prediction-arb",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "prediction-markets",
        "polymarket",
        "kalshi",
        "arbitrage",
        "crypto"
      ],
      "category": null,
      "price_usd": 0.05,
      "price_source": "registry",
      "provider_endpoints": 15,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T17:07:55.000Z",
        "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": 5,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T17:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_583274a554367baf",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_583274a554367baf"
      }
    },
    {
      "id": "cand_8a365280902efb0c",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "x402-solvers",
      "name_source": "registry",
      "host": "x402-solvers.onrender.com",
      "url": "https://x402-solvers.onrender.com/v1/cycles/probe",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi",
        "arbitrage",
        "trading",
        "signal"
      ],
      "category": null,
      "price_usd": 0.001,
      "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": 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_8a365280902efb0c",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_8a365280902efb0c"
      }
    },
    {
      "id": "cand_3de955cc6d22c118",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/calculator",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "arbitrage",
        "profit-calculator",
        "fees",
        "slippage",
        "gas"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 7,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T14:07:55.000Z",
        "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": 3,
        "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_3de955cc6d22c118",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_3de955cc6d22c118"
      }
    },
    {
      "id": "cand_d565d40e52fe8950",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/fx-premium",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "arbitrage",
        "fx",
        "stablecoin",
        "parallel-rate",
        "emerging-markets"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 7,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999"
      ],
      "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": 14,
        "unique_payers_30d": 3,
        "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_d565d40e52fe8950",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_d565d40e52fe8950"
      }
    },
    {
      "id": "cand_0495f98324a80b39",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/compute-arb",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "arbitrage",
        "gpu",
        "compute",
        "cloud-pricing",
        "h100"
      ],
      "category": null,
      "price_usd": 0.05,
      "price_source": "registry",
      "provider_endpoints": 7,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 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_0495f98324a80b39",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_0495f98324a80b39"
      }
    },
    {
      "id": "cand_3f7853e57275e7db",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/predmarket-arb",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "arbitrage",
        "prediction-markets",
        "polymarket",
        "kalshi",
        "spread"
      ],
      "category": null,
      "price_usd": 0.05,
      "price_source": "registry",
      "provider_endpoints": 7,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 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_3f7853e57275e7db",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_3f7853e57275e7db"
      }
    },
    {
      "id": "cand_466a6b11b8fec13f",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/inference-arb",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "arbitrage",
        "ai-inference",
        "llm-pricing",
        "agent-economics"
      ],
      "category": null,
      "price_usd": 0.05,
      "price_source": "registry",
      "provider_endpoints": 7,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 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_466a6b11b8fec13f",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_466a6b11b8fec13f"
      }
    },
    {
      "id": "cand_6db82f2f90fdff41",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "ArbiPulse",
      "name_source": "registry",
      "host": "arbipulse.theaslangroupllc.com",
      "url": "https://arbipulse.theaslangroupllc.com/api/spread-tick",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "arbitrage",
        "spread",
        "tick",
        "high-frequency",
        "cex"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 7,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:4663",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 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_6db82f2f90fdff41",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_6db82f2f90fdff41"
      }
    },
    {
      "id": "cand_3952c073de1b142d",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "RacingPulse",
      "name_source": "registry",
      "host": "racingpulse.theaslangroupllc.com",
      "url": "https://racingpulse.theaslangroupllc.com/api/arbitrage",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "horse-racing",
        "arbitrage",
        "surebet",
        "guaranteed-profit",
        "bookmakers"
      ],
      "category": null,
      "price_usd": 0.05,
      "price_source": "registry",
      "provider_endpoints": 13,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:137",
        "eip155:42161",
        "eip155:480",
        "eip155:143",
        "eip155:196",
        "eip155:999",
        "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "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": 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_3952c073de1b142d",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_3952c073de1b142d"
      }
    },
    {
      "id": "cand_426fb16f8bc73483",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "SolEnrich",
      "name_source": "registry",
      "host": "api.solenrich.com",
      "url": "https://api.solenrich.com/entrypoints/perps-cross-venue-funding/invoke",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "perps",
        "funding-rate",
        "cross-venue",
        "arbitrage",
        "solana"
      ],
      "category": null,
      "price_usd": 0.015,
      "price_source": "registry",
      "provider_endpoints": 44,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:8453"
      ],
      "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": 6,
        "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_426fb16f8bc73483",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_426fb16f8bc73483"
      }
    },
    {
      "id": "cand_c6382a0f5702c697",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Kronos Crypto Data & Forecasts",
      "name_source": "registry",
      "host": "kronossignals.com",
      "url": "https://kronossignals.com/api/v1/funding-arb/btc",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "funding-arb",
        "funding-rate",
        "cross-venue",
        "arbitrage",
        "derivatives"
      ],
      "category": null,
      "price_usd": 0.02,
      "price_source": "registry",
      "provider_endpoints": 34,
      "networks": [
        "eip155:8453"
      ],
      "networks_source": "registry",
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "monitoring_since": "2026-10-16T12:07:55.000Z",
        "monitoring_days": 0.4,
        "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": 1,
        "unique_payers_30d": 1,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-16T19:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_c6382a0f5702c697",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_c6382a0f5702c697"
      }
    }
  ]
}