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Interest

by Simple / compound interest in Markets & finance

x402 APIPassing, checked 7 min ago

Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly).

POST https://finance.openverbs.com/v1/interest

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
167 ms typical, 167 ms slowest 5%
Last check
7 min ago
Next check
in 23 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://finance.openverbs.com/v1/interest" \
  -H "content-type: application/json" \
  -d '{"annualRatePercent":1,"compoundsPerYear":1,"method":"simple","principal":1,"years":1}'
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%2Ffinance.openverbs.com%2Fv1%2Finterest
const res = await pay("https://finance.openverbs.com/v1/interest", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"annualRatePercent":1,"compoundsPerYear":1,"method":"simple","principal":1,"years":1}),
});
console.log(await res.json());

Example input

{
  "annualRatePercent": 1,
  "compoundsPerYear": 1,
  "method": "simple",
  "principal": 1,
  "years": 1
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
7 min agoPassed402593 ms$0.004
5 h agoPassed402167 ms$0.004