$0.004
per call · USD Coin on Base
Internal rate of return (per period) of a series of cash flows, solved with a bounded bisection. Requires at least one positive and one negative flow; flows with no sign change or no bracketable root are rejected as a clean 400.
Endpoint
POST https://finance.openverbs.com/v1/irr3
Calls / 30d
1
Unique payers / 30d
Sep 6
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://finance.openverbs.com/v1/irr", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"cashflows": [
1,
1
]
}),
});
const data = await res.json();curl -X POST \
"https://finance.openverbs.com/v1/irr" \
-H "Content-Type: application/json" \
-d '{"cashflows":[1,1]}' \
-H "X-PAYMENT: <signed x402 payment>"Payment details
0xb3f4de103f34b99f0da19b4f16d6b53a14c2194aUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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