{
  "api_status": "preview",
  "generated_at": "2026-10-17T03:19:30.278Z",
  "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": "chains",
    "sort": "evidence",
    "limit": 50,
    "offset": 0
  },
  "total": 11,
  "items": [
    {
      "id": "cand_ad3e933fb451fc39",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "DefiLlama DeFi TVL & Yields",
      "name_source": "registry",
      "host": "defillama.use.x402atlas.com",
      "url": "https://defillama.use.x402atlas.com/chains",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi",
        "tvl",
        "chains",
        "defillama",
        "crypto"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 29,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "observed",
      "payment_protocols": [],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T13:07:55.000Z",
        "monitoring_days": 0.6,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T13:08:23.262Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 196
        }
      },
      "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_ad3e933fb451fc39",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_ad3e933fb451fc39"
      }
    },
    {
      "id": "cand_460e0a78d6dc8e96",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "Yield.xyz MCP",
      "name_source": "registry",
      "host": "mcp.yield.xyz",
      "url": "https://mcp.yield.xyz/x402/networks_get_all",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "supported-networks",
        "chains",
        "evm",
        "cosmos",
        "solana"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 12,
      "networks": [
        "eip155:8453",
        "eip155:43114"
      ],
      "networks_source": "observed",
      "payment_protocols": [],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T13:07:55.000Z",
        "monitoring_days": 0.6,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:01:06.558Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 82
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 4,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:01:06.558Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T15:44:38.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T13:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_460e0a78d6dc8e96",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_460e0a78d6dc8e96"
      }
    },
    {
      "id": "cand_58fdfaf097f27300",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "47620 x402 Ecosystem Stats",
      "name_source": "registry",
      "host": "47620.xyz",
      "url": "https://47620.xyz/x/x402/networks",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "x402",
        "networks",
        "assets",
        "chains",
        "adoption"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 8,
      "networks": [
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "eip155:8453",
        "eip155:137"
      ],
      "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,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:51:05.593Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 110
        }
      },
      "registry_usage": {
        "calls_30d": 8,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:51:05.593Z",
        "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_58fdfaf097f27300",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_58fdfaf097f27300"
      }
    },
    {
      "id": "cand_9c677275569ae3ed",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "DefiLlama DeFi TVL & Yields",
      "name_source": "registry",
      "host": "defillama.use.x402atlas.com",
      "url": "https://defillama.use.x402atlas.com/chain-tvl",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi",
        "tvl",
        "chains",
        "historical",
        "defillama"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 29,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "observed",
      "payment_protocols": [],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T14:07:55.000Z",
        "monitoring_days": 0.5,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-17T02:20:48.761Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 352
        }
      },
      "registry_usage": {
        "calls_30d": 4,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-17T02:20:48.761Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T15:44:38.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T14:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_9c677275569ae3ed",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_9c677275569ae3ed"
      }
    },
    {
      "id": "cand_7124fd3e80d36f34",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "DefiLlama DeFi TVL & Yields",
      "name_source": "registry",
      "host": "defillama.use.x402atlas.com",
      "url": "https://defillama.use.x402atlas.com/historical-chain-tvl",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi",
        "tvl",
        "chains",
        "historical",
        "defillama"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 29,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "observed",
      "payment_protocols": [],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "monitoring_days": 0.5,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T16:08:24.504Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 231
        }
      },
      "registry_usage": {
        "calls_30d": 3,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-16T16:08:24.504Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T16:07:55.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T16:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_7124fd3e80d36f34",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_7124fd3e80d36f34"
      }
    },
    {
      "id": "cand_ad7996b08e60b25a",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "DefiLlama DeFi TVL & Yields",
      "name_source": "registry",
      "host": "defillama.use.x402atlas.com",
      "url": "https://defillama.use.x402atlas.com/stablecoin-chains",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi",
        "stablecoins",
        "chains",
        "defillama",
        "crypto"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 29,
      "networks": [
        "eip155:8453",
        "eip155:137",
        "eip155:42161",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "observed",
      "payment_protocols": [],
      "mainnet": true,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-16T16:07:55.000Z",
        "monitoring_days": 0.5,
        "limited_evidence": true,
        "checks_30d": 1,
        "passed_30d": 1,
        "missed_30d": 0,
        "pass_rate": 1,
        "freshness": "fresh",
        "last_check": {
          "at": "2026-10-16T16:08:24.471Z",
          "result": "payment_required",
          "passed": true,
          "http_status": 402,
          "duration_ms": 903
        }
      },
      "registry_usage": {
        "calls_30d": 3,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": {
        "current_since": "2026-10-16T16:08:24.471Z",
        "changes_30d": 0,
        "changes_90d": 0,
        "pay_to_changes_90d": 0,
        "last_change_at": null,
        "last_change_kinds": [],
        "window_start": "2026-10-16T16:07:55.000Z",
        "limited": true
      },
      "registry_listing": {
        "last_seen_at": "2026-10-16T16:07:55.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_ad7996b08e60b25a",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_ad7996b08e60b25a"
      }
    },
    {
      "id": "cand_2fb921993ab1cf51",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "DeFi TVL by chain",
      "name_source": "registry",
      "host": "agent402.tools",
      "url": "https://agent402.tools/api/defi-chains",
      "method": "POST",
      "templated_url": false,
      "operator": null,
      "tags": [
        "crypto",
        "defi",
        "tvl",
        "chains",
        "ranking"
      ],
      "category": null,
      "price_usd": 0.002,
      "price_source": "registry",
      "provider_endpoints": 205,
      "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": 6,
        "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_2fb921993ab1cf51",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_2fb921993ab1cf51"
      }
    },
    {
      "id": "cand_333fa2370874cccb",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "TBS Crypto & DeFi API",
      "name_source": "registry",
      "host": "x402.tbs-digital.com",
      "url": "https://x402.tbs-digital.com/defi/tvl",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi",
        "tvl",
        "total-value-locked",
        "chains",
        "protocol"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 23,
      "networks": [
        "eip155:8453"
      ],
      "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": {
        "calls_30d": 3,
        "unique_payers_30d": 3,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T02:50:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_333fa2370874cccb",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_333fa2370874cccb"
      }
    },
    {
      "id": "cand_2ea00e97dc1e0f4b",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "P0 x402 Market Index",
      "name_source": "registry",
      "host": "x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev",
      "url": "https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/networks",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "x402",
        "networks",
        "chains",
        "stats",
        "market-data"
      ],
      "category": null,
      "price_usd": 0.001,
      "price_source": "registry",
      "provider_endpoints": 38,
      "networks": [
        "eip155:8453",
        "eip155:42161",
        "eip155:137",
        "eip155:43114",
        "eip155:10",
        "eip155:42220",
        "eip155:1",
        "stacks:1"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T03:10:25.000Z",
        "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": {
        "calls_30d": 2,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T03:10:25.000Z",
        "listed": true
      },
      "links": {
        "page": "https://agentserviceatlas.com/services/cand_2ea00e97dc1e0f4b",
        "api": "https://agentserviceatlas.com/api/v1/services/cand_2ea00e97dc1e0f4b"
      }
    },
    {
      "id": "cand_cf3dde13fd9a47c9",
      "tier": "discovered",
      "type": "api_endpoint",
      "name": "TrollBridge",
      "name_source": "registry",
      "host": "mini-tollbooth.onrender.com",
      "url": "https://mini-tollbooth.onrender.com/gas",
      "method": "GET",
      "templated_url": false,
      "operator": null,
      "tags": [
        "defi-intel",
        "gas",
        "fees",
        "chains"
      ],
      "category": null,
      "price_usd": 0.005,
      "price_source": "registry",
      "provider_endpoints": 6,
      "networks": [
        "eip155:8453",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ],
      "networks_source": "registry",
      "payment_protocols": [],
      "mainnet": null,
      "evidence": {
        "operations": 1,
        "check_interval_hours": 24,
        "schedule_tier": "daily",
        "monitoring_since": "2026-10-17T02:50:25.000Z",
        "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": {
        "calls_30d": 3,
        "unique_payers_30d": 2,
        "note": "Reported by the registry; not our measurement."
      },
      "payment_terms": null,
      "registry_listing": {
        "last_seen_at": "2026-10-17T02:50:25.000Z",
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