Mortgage payment | agent view

The same page content and links, with explicit tool capabilities. Tools marked with an API can run directly through HTTP. Other tools require the browser interface or are not connected yet.

Tool capabilities

{
  "id": "mortgage-payment",
  "category": "finance-tools",
  "built": true,
  "requirements": "Country-specific interest conventions, taxes/insurance and disclosures require editorial ownership.",
  "implementation": {
    "fields": [
      {
        "key": "principal",
        "label": "Principal",
        "value": 200000,
        "type": "number"
      },
      {
        "key": "rate",
        "label": "Annual interest (%)",
        "value": 5,
        "type": "number"
      },
      {
        "key": "years",
        "label": "Term in years",
        "value": 30,
        "type": "number"
      }
    ],
    "input": false,
    "note": "Fixed nominal rate, monthly payments. Excludes fees, taxes and insurance.",
    "live": true,
    "presentation": "metrics",
    "experience": {
      "automatic": true,
      "single": false,
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.",
      "action": null
    },
    "mode": "automatic",
    "interactive": false
  },
  "execution": "POST /api/v1/tools/mortgage-payment/run",
  "api": {
    "id": "mortgage-payment",
    "name": "Mortgage payment",
    "category": "finance-tools",
    "description": "Estimate principal and interest payments for a fixed-rate mortgage.",
    "notes": "Fixed nominal rate, monthly payments. Excludes fees, taxes and insurance.",
    "human_path": "/en/finance-tools/mortgage-payment/",
    "method": "POST",
    "endpoint": "/api/v1/tools/mortgage-payment/run",
    "schema_url": "/api/v1/tools/mortgage-payment",
    "input_schema": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "input": {
          "type": "string",
          "maxLength": 1000000,
          "default": "",
          "description": "Plain text input. File tools use files instead unless otherwise documented."
        },
        "options": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "principal": {
              "type": "number",
              "description": "Principal",
              "default": 200000.0
            },
            "rate": {
              "type": "number",
              "description": "Annual interest (%)",
              "default": 5.0
            },
            "years": {
              "type": "number",
              "description": "Term in years",
              "default": 30.0
            }
          }
        }
      }
    },
    "output_schema": {
      "type": "object",
      "required": [
        "tool",
        "result"
      ],
      "properties": {
        "tool": {
          "type": "string"
        },
        "result": {
          "type": "object",
          "required": [
            "text",
            "files"
          ],
          "properties": {
            "text": {
              "type": [
                "string",
                "null"
              ]
            },
            "data": {
              "description": "Parsed JSON when the textual result is JSON."
            },
            "name": {
              "type": "string"
            },
            "mime": {
              "type": "string"
            },
            "files": {
              "type": "array",
              "items": {
                "type": "object",
                "required": [
                  "name",
                  "mime",
                  "bytes",
                  "base64"
                ],
                "properties": {
                  "name": {
                    "type": "string"
                  },
                  "mime": {
                    "type": "string"
                  },
                  "bytes": {
                    "type": "integer"
                  },
                  "base64": {
                    "type": "string",
                    "contentEncoding": "base64"
                  }
                }
              }
            }
          }
        }
      }
    },
    "processing": "Server; same transformation code as browser tools",
    "limits": {
      "request_bytes": 8388608,
      "input_characters": 1000000,
      "files_bytes": 5242880,
      "max_files": 0,
      "timeout_seconds": 12
    }
  },
  "agent_processing": "Server; same transformation code as browser tools",
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

Page guide

Estimate principal and interest payments for a fixed-rate mortgage.