ES
Utilidades · x402

tz-convert

Conversión de zonas horarias IANA: un instante (ISO con desfase, Z o Unix) o una hora civil local en una zona de origen convertida a hasta 20 zonas, con desfase UTC, abreviatura y tratamiento de huecos/solapes de horario de verano (las horas ambiguas devuelven ambos instantes).

0.001 USDC / llamada · {atomic} atómico · 1000 atomic

Endpoint

GET|POST https://forge-tools.dentreprise.workers.dev/api/tz-convert

Parámetros

NombreObligatorioTipoDescripción
timeOpcionalstringISO date-time or local time; default now
fromOpcionalstringSource IANA zone for local times, default UTC
toObligatoriostringTarget zones, comma-separated

Ejemplo de petición (sin pagar — se espera 402)

curl -sS -D - "https://forge-tools.dentreprise.workers.dev/api/tz-convert?time=2026-03-29T02%3A30&from=Europe%2FParis&to=America%2FNew_York%2CAsia%2FTokyo"

Ejemplo de desafío 402

El mismo objeto se envía también como cabecera PAYMENT-REQUIRED en base64. Las cantidades son unidades atómicas de USDC (6 decimales).

{
  "x402Version": 2,
  "error": "Payment required",
  "resource": {
    "url": "https://forge-tools.dentreprise.workers.dev/api/tz-convert",
    "description": "IANA time zone conversion: an instant (ISO with offset, Z, or Unix) or a local wall time in a source zone converted to up to 20 zones, with UTC offset, abbreviation and DST gap/overlap handling (ambiguous times return both instants).",
    "mimeType": "application/json"
  },
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x7B8bf45ac6AcbA6D4CFB626b57D3f5fF3C9C89F7",
      "maxTimeoutSeconds": 120,
      "extra": {
        "name": "USD Coin",
        "version": "2"
      }
    }
  ]
}

Reintentar con pago

curl -sS "https://forge-tools.dentreprise.workers.dev/api/tz-convert?time=2026-03-29T02%3A30&from=Europe%2FParis&to=America%2FNew_York%2CAsia%2FTokyo" \
  -H "PAYMENT-SIGNATURE: $PAYMENT"

Ejemplo de respuesta

{
  "status": "ok",
  "results": [
    {
      "utc": "2026-11-10T15:00:00.000Z",
      "targets": [
        {
          "zone": "Asia/Tokyo",
          "local": "2026-11-11T00:00:00",
          "offset": "+09:00"
        }
      ]
    }
  ]
}

Demo / muestra gratuita

Esta herramienta está en el worker de la oleada 1. ?demo=1 devuelve una muestra o un extracto etiquetado con HTTP 200 y sin pago. El cuerpo no son datos en vivo. Las 3 primeras llamadas reales con éxito por IP y día UTC también son gratuitas.

curl -sS "https://forge-tools.dentreprise.workers.dev/api/tz-convert?time=2026-03-29T02%3A30&from=Europe%2FParis&to=America%2FNew_York%2CAsia%2FTokyo&demo=1"

Respuesta de demo etiquetada

{
  "demo": true,
  "demo_label": "DEMO / SAMPLE — not live data. This is a labelled example response and was not charged.",
  "charged": false,
  "tool": "/api/tz-convert",
  "docs": "https://agent-hub.dentreprise.workers.dev/tools/tz-convert/",
  "how_to_get_live_data": "Call the same URL without demo=1. The first 3 successful real calls per IP per UTC day are free; after that attach an x402 v2 PAYMENT-SIGNATURE (USDC on Base).",
  "sample": {
    "status": "ok",
    "results": [
      {
        "utc": "2026-11-10T15:00:00.000Z",
        "targets": [
          {
            "zone": "Asia/Tokyo",
            "local": "2026-11-11T00:00:00",
            "offset": "+09:00"
          }
        ]
      }
    ]
  }
}

JavaScript — @x402/fetch

Cliente oficial x402 v2. Instale @x402/fetch y @x402/evm. El nombre de paquete antiguo x402-fetch es la línea v1 obsoleta y no debe usarse con estos endpoints.

import { wrapFetchWithPaymentFromConfig } from "@x402/fetch";
import { ExactEvmScheme } from "@x402/evm";
import { privateKeyToAccount } from "viem/accounts";

// Official x402 v2 client. The older package name "x402-fetch" is the deprecated v1 line.
const account = privateKeyToAccount(process.env.EVM_PRIVATE_KEY);
const fetchWithPayment = wrapFetchWithPaymentFromConfig(fetch, {
  schemes: [{ network: "eip155:8453", client: new ExactEvmScheme(account) }],
});

const res = await fetchWithPayment(
  "https://forge-tools.dentreprise.workers.dev/api/tz-convert?time=2026-03-29T02%3A30&from=Europe%2FParis&to=America%2FNew_York%2CAsia%2FTokyo"
);
console.log(await res.json());

Python — x402

Paquete oficial de PyPI x402. Use x402HttpxClient (async) o x402_requests (sync) tras register_exact_evm_client con EthAccountSigner.

import asyncio
import os
from eth_account import Account
from x402 import x402Client
from x402.http.clients import x402HttpxClient
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Official PyPI package: x402
account = Account.from_key(os.environ["EVM_PRIVATE_KEY"])
client = x402Client()
register_exact_evm_client(client, EthAccountSigner(account))

async def main():
    async with x402HttpxClient(client) as http:
        res = await http.get("https://forge-tools.dentreprise.workers.dev/api/tz-convert?time=2026-03-29T02%3A30&from=Europe%2FParis&to=America%2FNew_York%2CAsia%2FTokyo")
        print(res.json())

asyncio.run(main())

# Sync alternative:
# from x402 import x402ClientSync
# from x402.http.clients import x402_requests
# client = x402ClientSync()
# register_exact_evm_client(client, EthAccountSigner(account))
# with x402_requests(client) as session:
#     print(session.get("https://forge-tools.dentreprise.workers.dev/api/tz-convert?time=2026-03-29T02%3A30&from=Europe%2FParis&to=America%2FNew_York%2CAsia%2FTokyo").json())

Servidor MCP — forge-agent-mcp

stdio cubre el catálogo completo (ambos hosts de API). Clone forge-agent-mcp y apunte su cliente MCP a src/server.mjs. El remoto Streamable HTTP alojado en la pasarela original sigue exponiendo solo las herramientas de esa pasarela.

{
  "mcpServers": {
    "forge-agent-hub": {
      "command": "node",
      "args": ["/path/to/forge-agent-mcp/src/server.mjs"]
    },
    "forge-agent-api": {
      "url": "https://x402-gateway.forge-x402.workers.dev/mcp",
      "transport": "streamable-http"
    }
  }
}

Contenedor de herramienta LangChain

Envuelva los mismos clientes x402 como herramienta LangChain con DynamicStructuredTool (@langchain/core) o @tool (langchain_core).

import { DynamicStructuredTool } from "@langchain/core/tools";
import { z } from "zod";
import { wrapFetchWithPaymentFromConfig } from "@x402/fetch";
import { ExactEvmScheme } from "@x402/evm";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.EVM_PRIVATE_KEY);
const fetchWithPayment = wrapFetchWithPaymentFromConfig(fetch, {
  schemes: [{ network: "eip155:8453", client: new ExactEvmScheme(account) }],
});

export const tz_convert = new DynamicStructuredTool({
  name: "tz_convert",
  description: "IANA time zone conversion: an instant (ISO with offset, Z, or Unix) or a local wall time in a source zone converted to up to 20 zones, with UTC offset, abbreviation and DST gap/overlap handling (ambiguous times return both instants).",
  schema: z.object({}),
  func: async (input) => {
    const res = await fetchWithPayment("https://forge-tools.dentreprise.workers.dev/api/tz-convert" + "?" + new URLSearchParams(input));
    return JSON.stringify(await res.json());
  },
});
import os
from langchain_core.tools import tool
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

account = Account.from_key(os.environ["EVM_PRIVATE_KEY"])
client = x402ClientSync()
register_exact_evm_client(client, EthAccountSigner(account))

@tool
def tz_convert() -> str:
    """IANA time zone conversion: an instant (ISO with offset, Z, or Unix) or a local wall time in a source zone converted to up to 20 zones, with UTC offset, abbreviation and DST gap/overlap handling (ambiguous times return both instants)."""
    with x402_requests(client) as session:
        return session.get("https://forge-tools.dentreprise.workers.dev/api/tz-convert").text

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