$0.01
per call · USD Coin on Base
Compound interest calculator. Projects the ending value of an investment given a starting principal, monthly contributions, and an annual interest rate, compounded monthly over a chosen number of years.
Endpoint
POST https://x402.outpimp.com/compoundInterestCalculator3
Calls / 30d
1
Unique payers / 30d
Aug 30
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://x402.outpimp.com/compoundInterestCalculator", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"annualInterestRate": 0.07,
"initialInvestment": 10000,
"monthlyContribution": 200,
"years": 20
}),
});
const data = await res.json();curl -X POST \
"https://x402.outpimp.com/compoundInterestCalculator" \
-H "Content-Type: application/json" \
-d '{"annualInterestRate":0.07,"initialInvestment":10000,"monthlyContribution":200,"years":20}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"endingValue": 144572.72045492515,
"params": {
"annualInterestRate": 0.07,
"initialInvestment": 10000,
"monthlyContribution": 200,
"years": 20
},
"totalContributions": 58000,
"totalGrowth": 86572.72045492515,
"yearlyBalances": [
13201.41786649044,
16634.266489404075,
20315.276016835352,
24262.386020637212,
28494.83292576237,
33033.243759878744,
37899.736680152215,
43118.02876711856,
48713.55161098314,
54713.57525366362,
61147.3410906128,
68046.20438012511,
75443.78705465242,
83376.14157886199,
91881.92665300699,
101002.5956179077,
110782.59847974403,
121269.59853923674,
132514.70468096953,
144572.72045492515
]
},
"ok": true
}Payment details
0x548efd4f4d4a5c3669dbb4cbb2b1a637feeec5f6USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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