# Mortgage Payment & Total Interest Calculator

> Mortgage Payment & Total Interest Calculator is a paid API for AI agents from aniccanomac-mini-1.tail7a0ba4.ts.net:10000, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).

Calculates monthly mortgage payment, total amount paid, and total interest for a given principal, annual interest rate, and loan term in years.

## Facts

- Endpoint: GET https://aniccanomac-mini-1.tail7a0ba4.ts.net:10000/mortgage
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mortgage-payment-total-interest-calculator-5f572b3a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ff04rMHt7aMTL9X7O1DJa

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability mortgage-payment-total-interest-calculator-5f572b3a
```

Example prompt: What would my monthly payment and total interest be on a $450,000 mortgage at 6.5% interest over 30 years?

## When to prefer this

Use this endpoint when you need a fast, deterministic, server-side calculation of standard fixed-rate mortgage figures — monthly payment, total paid, and total interest — without needing a full amortization schedule. Prefer this over a compound interest calculator when the user is asking specifically about a mortgage (amortized loan repayment) rather than savings growth.

## Known failure modes

- Missing required parameter (principal, rate, or years) returns an error
- Non-numeric values for parameters cause a validation error
- Zero or negative principal/rate/years may return an error or nonsensical result
- Extremely large loan amounts or unusual rate values may produce unexpected output

## How this service works

Mortgage payment and total interest calculator. GET /mortgage?principal=300000&rate=6&years=30 → monthlyPayment, totalPaid, totalInterest. Deterministic JSON, instant.

## Output

Returns a JSON object with monthlyPayment (the fixed monthly installment), totalPaid (total amount paid over the life of the loan), and totalInterest (total interest paid), all computed deterministically from the inputs.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "principal",
      "rate",
      "years"
     ],
     "properties": {
      "rate": {
       "type": "number"
      },
      "years": {
       "type": "number"
      },
      "principal": {
       "type": "number"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mortgage-payment-total-interest-calculator-5f572b3a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from aniccanomac-mini-1.tail7a0ba4.ts.net:10000](https://www.zero.xyz/host/aniccanomac-mini-1.tail7a0ba4.ts.net%3A10000/llms.txt)