ToolAssay

Exact real interest rate

Exact real interest rate - Distribution histogram: Bin up to 200 calculated observations into equal-width bins, including edge definitions. Metric: Exact real interest rate. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded distribution histogram report.

Answeringour last check, 2026-10-04
1 of 1checks answered this week
340 msmedian answer time
$0.01listed price per call
$0.01price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://market.datapackvibe.com/x402/assistant-finance-real-interest-histogram

CategoryCode and developer
Provider hostmarket.datapackvibe.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-04 valid payment request 402$0.01 340 ms

Example input (from the provider)

{
  "body": {
    "bins": 5,
    "rows": [
      {
        "inflation_percent": 2,
        "nominal_rate_percent": 5
      },
      {
        "inflation_percent": 2.2,
        "nominal_rate_percent": 5.5
      },
      {
        "inflation_percent": 2,
        "nominal_rate_percent": 5
      },
      {
        "inflation_percent": 2.2,
        "nominal_rate_percent": 5.5
      }
    ]
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "bins": {
              "default": 5,
              "maximum": 30,
              "minimum": 1,
              "type": "integer"
            },
            "rows": {
              "default": [
                {
                  "inflation_percent": 2,
                  "nominal_rate_percent": 5
                },
                {
                  "inflation_percent": 2.2,
                  "nominal_rate_percent": 5.5
                },
                {
                  "inflation_percent": 2,
                  "nominal_rate_percent": 5
                },
                {
                  "inflation_percent": 2.2,
                  "nominal_rate_percent": 5.5
                }
              ],
              "items": {
                "additionalProperties": false,
                "properties": {
                  "inflation_percent": {
                    "default": 2,
                    "description": "Percent units: enter 5 for 5%, not 0.05",
                    "maximum": 1000,
                    "minimum": -99,
                    "type": "number"
                  },
                  "nominal_rate_percent": {
                    "default": 5,
                    "description": "Percent units: enter 5 for 5%, not 0.05",
                    "maximum": 1000,
                    "minimum": -99,
                    "type": "number"
                  }
                },
                "required": [
                  "nominal_rate_percent",
                  "inflation_percent"
                ],
                "type": "object"
              },
              "maxItems": 200,
              "minItems": 2,
              "type": "array"
            }
          },
          "required": [
            "rows",
            "bins"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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