Resolve a coordinate to its IANA timezone and return the current UTC offset, local wall time, DST status, and short abbreviation. Query: lat (-90..90), lon (-180..180), at (optional ISO 8601 instant; defaults to now). Returns { tz, abbreviation, offsetMinutes, offsetHours, localTime, observesDst, isDst, januaryOffsetMinutes, julyOffsetMinutes, instant, source }. Polygon lookup against a CC0 timezone boundary index; offsets and DST come from the runtime tzdata so transition rules stay current. Use when scheduling for a coordinate, converting timestamps to local wall time, or checking whether a location is currently observing daylight saving.
/api/timezone/lookupPAYMENT-SIGNATURE.The lookup API is a pay-per-call timezone endpoint built for AI agents and autonomous software. Resolve a coordinate to its IANA timezone and return the current UTC offset, local wall time, DST status, and short abbreviation.
There is no signup and no API key. An agent (or any HTTP client) hits the endpoint, receives an x402 "402 Payment Required" challenge, signs a sub-cent USDC payment on Base or Solana, and retries — the data comes back on the paid request. That makes it a drop-in lookup data source for an agent tool-use loop, an MCP host, or a backend that needs timezone data on demand without onboarding to yet another vendor portal.
| Name | Type | Description |
|---|---|---|
latrequired | number | Latitude in degrees, -90..90. min -90 · max 90 |
lonrequired | number | Longitude in degrees, -180..180. min -180 · max 180 |
at | string | Optional ISO 8601 instant. Defaults to the current server time. date-time |
# 1. Probe with no auth → 402 envelope with PaymentRequirements curl -sS 'https://2s.io/api/timezone/lookup?lat=-90&lon=-180&at=example' # 2. Sign + retry with PAYMENT-SIGNATURE: curl -sS 'https://2s.io/api/timezone/lookup?lat=-90&lon=-180&at=example' \ -H 'PAYMENT-SIGNATURE: <base64-json-payload>' # Or use the canonical runner (handles probe → sign → retry): # EVM_PRIVATE_KEY=0x... node --env-file=.env.local \ # --experimental-strip-types scripts/x402-pay.ts \ # 'https://2s.io/api/timezone/lookup?lat=-90&lon=-180&at=example'
import { TwoS } from '@2sio/sdk'
const client = new TwoS({
privateKey: process.env.EVM_PRIVATE_KEY as `0x${string}`,
})
const result = await client.timezone.lookup({
"lat": -90,
"lon": -180,
"at": "example"
})
console.log('endpoint:', result.endpoint)
console.log('cost:', result.costUsd, 'USDC')
console.log('tx:', result.settlement?.txHash)
console.log('data:', result.data)import os
from twosio import TwoS
client = TwoS(private_key=os.environ["EVM_PRIVATE_KEY"])
result = client.timezone.lookup(lat=-90, lon=-180, at="example")
print("endpoint:", result.endpoint)
print("cost:", result.cost_usd, "USDC")
print("tx:", (result.settlement or {}).get("tx_hash"))
print("data:", result.data)// 1. Add @2sio/mcp to your MCP host config (Claude Desktop example below).
// EVM_PRIVATE_KEY funds x402 payments per call.
// claude_desktop_config.json
{
"mcpServers": {
"2sio": {
"command": "npx",
"args": ["-y", "@2sio/mcp"],
"env": { "EVM_PRIVATE_KEY": "0x..." }
}
}
}
// 2. Once the server is running, agents call this tool via standard MCP:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "timezone.lookup",
"arguments": {
"lat": -90,
"lon": -180,
"at": "example"
}
}
}| Field | Type | Description |
|---|---|---|
ok | boolean | one of: true |
items | array | |
total | integer | Total matching rows upstream; null when unknown. |
source | object |
{
"ok": true,
"items": [
{
"tz": "example",
"abbreviation": "example",
"offsetMinutes": 1,
"offsetHours": 1,
"localTime": "example",
"observesDst": false,
"isDst": false,
"januaryOffsetMinutes": 1,
"julyOffsetMinutes": 1,
"instant": "example"
}
],
"total": 1,
"source": {
"provider": "example",
"url": "example",
"license": "example"
}
}