---
schema: "interfacedelta-service-md/1"
target_key: "sha256:17419e44cd5a6bf20054096034bc452763a865ef5b2f24d413a6c68a00df2a2f"
origin: "https://api.402rates.com"
protocols: ["mcp"]
observed_at: "2026-11-12T21:05:00.020Z"
generated_at: "2026-11-13T01:53:18.438Z"
record_url: "https://interfacedelta.com/atlas/sha256:17419e44cd5a6bf20054096034bc452763a865ef5b2f24d413a6c68a00df2a2f"
record_api: "https://interfacedelta.com/api/v1/record/services/sha256:17419e44cd5a6bf20054096034bc452763a865ef5b2f24d413a6c68a00df2a2f"
source: "InterfaceDelta atlas"
license_note: "Use of this record is governed by https://interfacedelta.com/terms."
---

# Service record: https://api.402rates.com

## Identity
- Origin: https://api.402rates.com
- Endpoints: https://api.402rates.com/mcp/rates
- Protocols: mcp
- Registry names: com.402rates/rates
- First retained observation: 2026-11-12T21:05:00.020Z
- Latest observation: 2026-11-12T21:05:00.020Z

## Tools
- Tool 1: cheapest\_settlement\_chain (mcp); inputs: chains; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 2: compare\_rwa\_benchmark (mcp); inputs: benchmark, snapshot; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 3: compare\_rwa\_snapshots (mcp); inputs: after, before, threshold\_bps; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 4: compare\_settlement\_costs (mcp); inputs: chains; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 5: estimate\_payment\_costs (mcp); inputs: calls, profiles, workload; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 6: get\_manifest (mcp); inputs: base\_url; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 7: get\_rwa\_history (mcp); inputs: date\_from, date\_to, source\_id, ticker; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 8: get\_rwa\_instrument (mcp); inputs: ticker, version; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 9: get\_rwa\_instruments (mcp); inputs: version; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 10: get\_rwa\_yields (mcp); inputs: instruments; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 11: list\_capabilities (mcp); inputs: none shown; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":true}
- Tool 12: list\_rwa\_updates (mcp); inputs: cursor, limit, scope; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
- Tool 13: read\_rwa\_access\_evidence (mcp); inputs: record\_id, ticker, version; inputs omitted: 0; annotations: {"readOnlyHint":true,"openWorldHint":false}
Tools omitted: 0.

## Effect readings (AI)
- Tool 5 (estimate\_payment\_costs): ◇ AI reading; state: counted; none (confidence 0.82); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 6 (get\_manifest): ◇ AI reading; state: counted; reads (confidence 0.8); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 7 (get\_rwa\_history): ◇ AI reading; state: counted; reads (confidence 0.84); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 8 (get\_rwa\_instrument): ◇ AI reading; state: counted; reads (confidence 0.84); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 11 (list\_capabilities): ◇ AI reading; state: counted; reads (confidence 0.86); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 12 (list\_rwa\_updates): ◇ AI reading; state: counted; reads (confidence 0.9); lens: side-effects@1; model: claude-haiku-5.5.
- Tool 13 (read\_rwa\_access\_evidence): ◇ AI reading; state: counted; reads (confidence 0.86); lens: side-effects@1; model: claude-haiku-5.5.

## Change history
No changes recorded in the retained history.

## Payment rails
- Protocols observed: none.
- HTTP 402 seen in retained observations: false.

## Not covered
- We don't call tools.
- We don't rate or certify.
- We don't publish prices.
- We cover only what was observed.

## Evidence
- Identity: observed / declared; observation time: 2026-11-12T21:05:00.020Z.
- Tools: declared; observation time: 2026-11-12T21:05:00.020Z.
- Effect readings (AI): AI reading; observation time: 2026-11-12T21:05:00.020Z.
- Change history: observed; observation time: 2026-11-12T21:05:00.020Z; change observation times: none.
- Payment rails: observed; observation time: 2026-11-12T21:05:00.020Z.

```json
{
  "schema": "interfacedelta-service-md/1",
  "target_key": "sha256:17419e44cd5a6bf20054096034bc452763a865ef5b2f24d413a6c68a00df2a2f",
  "origin": "https://api.402rates.com",
  "protocols": [
    "mcp"
  ],
  "observed_at": "2026-11-12T21:05:00.020Z",
  "generated_at": "2026-11-13T01:53:18.438Z",
  "record_url": "https://interfacedelta.com/atlas/sha256:17419e44cd5a6bf20054096034bc452763a865ef5b2f24d413a6c68a00df2a2f",
  "record_api": "https://interfacedelta.com/api/v1/record/services/sha256:17419e44cd5a6bf20054096034bc452763a865ef5b2f24d413a6c68a00df2a2f",
  "source": "InterfaceDelta atlas",
  "license_note": "Use of this record is governed by https://interfacedelta.com/terms.",
  "identity": {
    "origin": "https://api.402rates.com",
    "endpoints": [
      "https://api.402rates.com/mcp/rates"
    ],
    "protocols": [
      "mcp"
    ],
    "registry_names": [
      "com.402rates/rates"
    ],
    "first_retained_observation": "2026-11-12T21:05:00.020Z",
    "latest_observation": "2026-11-12T21:05:00.020Z"
  },
  "tools": [
    {
      "name": "cheapest_settlement_chain",
      "protocol": "mcp",
      "inputs": [
        "chains"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": null
    },
    {
      "name": "compare_rwa_benchmark",
      "protocol": "mcp",
      "inputs": [
        "benchmark",
        "snapshot"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": null
    },
    {
      "name": "compare_rwa_snapshots",
      "protocol": "mcp",
      "inputs": [
        "after",
        "before",
        "threshold_bps"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": null
    },
    {
      "name": "compare_settlement_costs",
      "protocol": "mcp",
      "inputs": [
        "chains"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": null
    },
    {
      "name": "estimate_payment_costs",
      "protocol": "mcp",
      "inputs": [
        "calls",
        "profiles",
        "workload"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "none",
            "confidence": 0.82
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_manifest",
      "protocol": "mcp",
      "inputs": [
        "base_url"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.8
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_rwa_history",
      "protocol": "mcp",
      "inputs": [
        "date_from",
        "date_to",
        "source_id",
        "ticker"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.84
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_rwa_instrument",
      "protocol": "mcp",
      "inputs": [
        "ticker",
        "version"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.84
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "get_rwa_instruments",
      "protocol": "mcp",
      "inputs": [
        "version"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": null
    },
    {
      "name": "get_rwa_yields",
      "protocol": "mcp",
      "inputs": [
        "instruments"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": null
    },
    {
      "name": "list_capabilities",
      "protocol": "mcp",
      "inputs": [],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": true
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.86
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "list_rwa_updates",
      "protocol": "mcp",
      "inputs": [
        "cursor",
        "limit",
        "scope"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.9
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    },
    {
      "name": "read_rwa_access_evidence",
      "protocol": "mcp",
      "inputs": [
        "record_id",
        "ticker",
        "version"
      ],
      "inputs_omitted": 0,
      "annotations": {
        "readOnlyHint": true,
        "openWorldHint": false
      },
      "effects": {
        "marker": "◇ AI reading",
        "state": "counted",
        "classes": [
          {
            "class": "reads",
            "confidence": 0.86
          }
        ],
        "lens": "side-effects@1",
        "model": "claude-haiku-5.5"
      }
    }
  ],
  "tools_omitted": 0,
  "tools_state": "recorded",
  "changes": [],
  "payment_rails": {
    "protocols": [],
    "http_402_seen": false
  },
  "not_covered": [
    "We don't call tools.",
    "We don't rate or certify.",
    "We don't publish prices.",
    "We cover only what was observed."
  ],
  "evidence": [
    {
      "section": "Identity",
      "classes": [
        "observed",
        "declared"
      ],
      "observed_at": "2026-11-12T21:05:00.020Z"
    },
    {
      "section": "Tools",
      "classes": [
        "declared"
      ],
      "observed_at": "2026-11-12T21:05:00.020Z"
    },
    {
      "section": "Effect readings (AI)",
      "classes": [
        "AI reading"
      ],
      "observed_at": "2026-11-12T21:05:00.020Z"
    },
    {
      "section": "Change history",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-12T21:05:00.020Z",
      "observation_times": []
    },
    {
      "section": "Payment rails",
      "classes": [
        "observed"
      ],
      "observed_at": "2026-11-12T21:05:00.020Z"
    }
  ]
}
```