Parse, validate and canonicalize a phone number using Google's libphonenumber metadata. Query: number (required; E.164 like "+14155552671" or national like "(415) 555-2671"), country (optional ISO 3166-1 alpha-2 like US/GB/JP — required when number is not E.164). Returns {input, valid (matches a real number range), possible (right shape/length), e164, national, international, rfc3966, country, countryCallingCode, type (mobile|fixed_line|fixed_line_or_mobile|toll_free|premium_rate|shared_cost|voip|personal_number|pager|uan|voicemail|unknown), possibleCountries[]}. Returns valid:false (not an error) for unparseable input.
/api/phone/normalizePAYMENT-SIGNATURE.The normalize API is a pay-per-call phone endpoint built for AI agents and autonomous software. Parse, validate and canonicalize a phone number using Google's libphonenumber metadata.
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 normalize data source for an agent tool-use loop, an MCP host, or a backend that needs phone data on demand without onboarding to yet another vendor portal.
| Name | Type | Description |
|---|---|---|
numberrequired | string | Phone number to normalize. E.164 (+15555551234) or a national format if country is provided. min 1 chars · max 40 chars |
country | string | ISO 3166-1 alpha-2 country code (e.g. US, GB, JP). Required when number is not in E.164 form. match ^[A-Z]{2}$ |
# 1. Probe with no auth → 402 envelope with PaymentRequirements curl -sS 'https://2s.io/api/phone/normalize?number=example&country=example' # 2. Sign + retry with PAYMENT-SIGNATURE: curl -sS 'https://2s.io/api/phone/normalize?number=example&country=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/phone/normalize?number=example&country=example'
import { TwoS } from '@2sio/sdk'
const client = new TwoS({
privateKey: process.env.EVM_PRIVATE_KEY as `0x${string}`,
})
const result = await client.phone.normalize({
"number": "example",
"country": "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.phone.normalize(number="example", country="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": "phone.normalize",
"arguments": {
"number": "example",
"country": "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": [
{
"input": "example",
"valid": false,
"possible": false,
"e164": "example",
"national": "example",
"international": "example",
"rfc3966": "example",
"country": "example",
"countryCallingCode": "example",
"type": "fixed_line",
"possibleCountries": [
"example"
]
}
],
"total": 1,
"source": {
"provider": "example",
"url": "example",
"license": "example"
}
}