GET /api/convert/cups-to-litersConvert cups to liters (volume). Pass ?value=N.
1 cups = 0.2365882365 liters. To convert, multiply the number of cups by 0.2365882365. The reverse direction is liters → cups.
| cups | liters |
|---|---|
| 1 cups | 0.2365882365 liters |
| 2 cups | 0.473176473 liters |
| 5 cups | 1.1829411825 liters |
| 10 cups | 2.365882365 liters |
| 25 cups | 5.9147059125 liters |
| 100 cups | 23.65882365 liters |
| 1000 cups | 236.5882365 liters |
| Field | Type | Description |
|---|---|---|
value * | string | Numeric value to convert |
{
"value": 1,
"from": "cups",
"to": "liters",
"result": 0.236588
}
curl -i "https://agent402.tools/api/convert/cups-to-liters?value=1"
The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);
const res = await payFetch("https://agent402.tools/api/convert/cups-to-liters?value=1");
This is a pure-CPU tool, so an agent without a wallet can pay with proof-of-work instead of USDC: fetch a challenge, solve it (16 leading zero bits), and resend with the X-Pow-Solution header.
import { createHash } from "node:crypto";
const lz = (b) => { let t = 0; for (const x of b) { if (!x) { t += 8; continue; } t += Math.clz32(x) - 24; break; } return t; };
const c = await (await fetch("https://agent402.tools/api/pow/challenge?slug=convert-cups-to-liters")).json();
let n = 0;
while (lz(createHash("sha256").update(c.challenge + ":" + n).digest()) < c.difficulty) n++;
await fetch("https://agent402.tools/api/convert/cups-to-liters", { method: "GET", headers: { "X-Pow-Solution": c.token + ":" + n } });
GET /api/convert/meters-to-kilometersConvert meters to kilometers (length). Pass ?value=N.
GET /api/convert/meters-to-centimetersConvert meters to centimeters (length). Pass ?value=N.
GET /api/convert/meters-to-millimetersConvert meters to millimeters (length). Pass ?value=N.