Tz

{
  "from": {
    "abbreviation": "GMT+2",
    "isDST": true,
    "local": "2026-09-17T14:00:00",
    "observesDST": true,
    "offset": "+02:00",
    "offsetMinutes": 120,
    "weekday": "Thu",
    "zone": "Europe/Berlin"
  },
  "input": {
    "interpretedIn": "Europe/Berlin",
    "time": "2026-09-17T14:00"
  },
  "instant": "2026-09-17T12:00:00.000Z",
  "results": [
    {
      "abbreviation": "EDT",
      "isDST": true,
      "local": "2026-09-17T08:00:00",
      "observesDST": true,
      "offset": "-04:00",
      "offsetMinutes": -240,
      "weekday": "Thu",
      "zone": "America/New_York"
    },
    {
      "abbreviation": "GMT+9",
      "isDST": false,
      "local": "2026-09-17T21:00:00",
      "observesDST": false,
      "offset": "+09:00",
      "offsetMinutes": 540,
      "weekday": "Thu",
      "zone": "Asia/Tokyo"
    }
  ],
  "unix": 1789646400
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://workbot1.oddsys.org/tz' \
  -H 'content-type: application/json' \
  --data-raw '{"from":"Europe/Berlin","time":"2026-09-17T14:00","to":["America/New_York","Asia/Tokyo"]}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://workbot1.oddsys.org/tz' \
  -H 'content-type: application/json' \
  --data-raw '{"from":"Europe/Berlin","time":"2026-09-17T14:00","to":["America/New_York","Asia/Tokyo"]}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fworkbot1.oddsys.org%2Ftz&method=POST
const res = await pay("https://workbot1.oddsys.org/tz", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "from": "Europe/Berlin",
    "time": "2026-09-17T14:00",
    "to": [
      "America/New_York",
      "Asia/Tokyo"
    ]
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://workbot1.oddsys.org/tz",
        json={
            "from": "Europe/Berlin",
            "time": "2026-09-17T14:00",
            "to": [
                "America/New_York",
                "Asia/Tokyo",
            ],
        },
    )
    print(res.status_code, res.text)