Date difference · Date Diff

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://agent402.tools/api/date-diff", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "from": "2026-01-01",
    "to": "2026-06-11T10:00:00Z"
  }),
});
const data = await res.json();

curl -X POST \
  "https://agent402.tools/api/date-diff" \
  -H "Content-Type: application/json" \
  -d '{"from":"2026-01-01","to":"2026-06-11T10:00:00Z"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "days": 161.4,
  "human": "161d 10h",
  "millis": 13948800000
}