Calculators Compound Interest Calculator

Last 30 days

Uptime

13.3%

Response time

137 ms typical, 137 ms slowest 5%

Last check

1 h ago: Expected HTTP 402, got 308

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://agenttools-hub.vercel.app/api/v1/calculators/compound-interest-calculator?annualRate=5&principal=10000&timesPerYear=12&years=10"

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagenttools-hub.vercel.app%2Fapi%2Fv1%2Fcalculators%2Fcompound-interest-calculator
const res = await pay("https://agenttools-hub.vercel.app/api/v1/calculators/compound-interest-calculator?annualRate=5&principal=10000&timesPerYear=12&years=10");
console.log(await res.json());

Example input

{
  "annualRate": 5,
  "principal": 10000,
  "timesPerYear": 12,
  "years": 10
}

Example output

{
  "result": {
    "answer": "16,470.09",
    "answerLabel": "Future value after 10 years",
    "details": [
      {
        "label": "Interest earned",
        "value": "6,470.09"
      },
      {
        "label": "Principal",
        "value": "10,000"
      },
      {
        "label": "vs simple interest",
        "value": "+1,470.09"
      }
    ],
    "steps": [
      "r/n = 5% ÷ 12 = 41.67% per period",
      "periods = 12 × 10 = 120",
      "A = P × (1 + r/n)^120 = 16,470.09"
    ],
    "value": 16470.094977
  },
  "tool": "compound-interest-calculator"
}

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