Free Phone Formatter API - E.164 Format

Parameters

name	in	type	required	description
`phone`	query	string	required	Phone Number
`country_code`	query	string	optional	ISO 3166-1 alpha-2 (e.g. US, GB, DE) default `US`

Request

Send your key in the X-API-Key header. More languages and patterns live on the code examples page.

curl -s "https://apixies.io/api/v1/format-phone?phone=%2B1%20%28212%29%20555-1234" \
  -H "X-API-Key: YOUR_API_KEY"

const res = await fetch("https://apixies.io/api/v1/format-phone?phone=%2B1%20%28212%29%20555-1234", {
  headers: { "X-API-Key": "YOUR_API_KEY" }
});
const data = await res.json();
console.log(data);

$ch = curl_init("https://apixies.io/api/v1/format-phone?phone=%2B1%20%28212%29%20555-1234");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ["X-API-Key: YOUR_API_KEY"],
]);
$data = json_decode(curl_exec($ch), true);
curl_close($ch);

print_r($data);

import requests

res = requests.get(
    "https://apixies.io/api/v1/format-phone",
    params={"phone": "+1 (212) 555-1234"},
    headers={"X-API-Key": "YOUR_API_KEY"},
)
print(res.json())

Response

The result sits under data in the standard envelope. See the response format guide for errors and status codes.

returns

data.e164: The number in E.164 form, like +12125551234.
data.is_valid: True when the digit count fits the country's numbering.
data.national: Local dialing format for the country.
data.international: International format with the country prefix.
data.country_code: ISO country code, with the full name in country_name.

example response 200

{
    "status": "success",
    "http_code": 200,
    "code": "SUCCESS",
    "message": "Phone number formatted",
    "data": {
        "original": "+1 (212) 555-1234",
        "e164": "+12125551234",
        "national": "(212) 555-1234",
        "international": "+1 (212) 555-1234",
        "country_code": "US",
        "country_name": "United States",
        "is_valid": true,
        "validated_at": "2026-09-18T12:00:00+00:00"
    }
}

Authentication and limits

This endpoint needs an API key. Use the sandbox ("try it" above) to test it without registering. See the authentication guide for details.

Standard rate limits apply to this endpoint.

Common use cases

CRM data normalization

Standardize phone numbers from various input formats into E.164 for consistent storage in your CRM or user database.

International calling features

Convert phone numbers between national and international formats for VoIP applications, click-to-call features, or contact directories.

Form validation

Validate phone numbers in real-time as users type. Detect the country and format before submission to reduce errors.

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getting started

authentication code examples response format

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