Dev Natural Date

{
  "result": {
    "answer": "2026-10-09T15:00:00.000Z",
    "answerLabel": "1 date parsed",
    "artifacts": {
      "dates": "[{\"matched\":\"next friday at 3pm\",\"iso\":\"2026-10-09T15:00:00.000Z\"}]"
    },
    "details": [
      {
        "label": "First match span",
        "value": "\"next friday at 3pm\""
      },
      {
        "label": "Reference",
        "value": "2026-10-01T09:00:00.000Z"
      }
    ],
    "steps": [
      "Chrono deterministic parse with fixed reference",
      "1 match(es) extracted"
    ],
    "table": {
      "columns": [
        "#",
        "Matched text",
        "ISO 8601 (UTC)"
      ],
      "rows": [
        [
          1,
          "next friday at 3pm",
          "2026-10-09T15:00:00.000Z"
        ]
      ]
    },
    "value": 1791558000000
  },
  "tool": "natural-date"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://agentstoolshub.com/api/v1/dev/natural-date?ref=2026-10-01T09%3A00%3A00Z&text=next+friday+at+3pm'

# 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 - 'https://agentstoolshub.com/api/v1/dev/natural-date?ref=2026-10-01T09%3A00%3A00Z&text=next+friday+at+3pm' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagentstoolshub.com%2Fapi%2Fv1%2Fdev%2Fnatural-date
const res = await pay("https://agentstoolshub.com/api/v1/dev/natural-date?ref=2026-10-01T09%3A00%3A00Z&text=next+friday+at+3pm");
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://agentstoolshub.com/api/v1/dev/natural-date?ref=2026-10-01T09%3A00%3A00Z&text=next+friday+at+3pm")
    print(res.status_code, res.text)