Utilities · x402

tz-convert

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).

0.001 USDC / call · {atomic} atomic · 1000 atomic

Endpoint

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

Parameters

Name	Required	Type	Description
`time`	Optional	string	ISO date-time or local time; default now
`from`	Optional	string	Source IANA zone for local times, default UTC
`to`	Required	string	Target zones, comma-separated

Example request (unpaid — expect 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"

Example 402 challenge

The same object is also sent as a base64 PAYMENT-REQUIRED header. Amounts are atomic USDC units (6 decimals).

{
  "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"
      }
    }
  ]
}

Retry with payment

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"

Example response

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

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