Compound Interest

Last 30 days

Uptime

100%

Response time

200 ms typical, 200 ms slowest 5%

Last check

4 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/compound-interest" \
  -H "content-type: application/json" \
  -d '{"annualRate":0.05,"compoundingPerYear":12,"principal":1000,"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%2Fagent402.tools%2Fapi%2Fcompound-interest
const res = await pay("https://agent402.tools/api/compound-interest", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"annualRate":0.05,"compoundingPerYear":12,"principal":1000,"years":10}),
});
console.log(await res.json());

Example input

{
  "annualRate": 0.05,
  "compoundingPerYear": 12,
  "principal": 1000,
  "years": 10
}

Example output

{
  "effectiveAnnualRate": 0.051162,
  "futureValue": 1647.01,
  "periods": 120,
  "totalInterest": 647.01
}

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