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Validate Phone Number – Check and Format

data/validatephonenumber

validatephonenumber (Validate Phone Number – Check and Format) is a 1001fx API function in the group Data & JSON: POST https://api.1001fx.com/data/validatephonenumber, 1 credit per call. It works as a ready-made module in Make or as a plain HTTP call.

1 credit per callHTTP APIMake

Checks whether a phone number is valid and returns it in E.164 (+4930…), international and national format, with country and type (mobile, fixed line, toll free …). Uses the Google libphonenumber metadata.

Try it in the 1001fx app

Run validatephonenumber in your browser with your API key – fill the form, click Run and get the answer or the file.

validatephonenumber in the 1001fx app: the form with example values
Validate Phone Number – Check and Format in the 1001fx app

Endpoint

POSThttps://api.1001fx.com/data/validatephonenumber
Header
X-API-KEY: YOURSECRETAPIKEY How to
Content type
application/json

Parameters

  • phoneNumberstringrequired

    In any notation, e.g. 030 1234567 or +49 30 1234567.

    Example:
    030 1234567
  • defaultCountrystringoptional

    ISO country code for numbers without +, e.g. DE.

    Example:
    DE

Examples

Validate Phone Number – Check and Format

Validate Phone Number – Check and Format

Input

Expects a json body
{
  "phoneNumber": "030 1234567",
  "defaultCountry": "DE"
}

Output · HTTP 200

Response
{
  "statusCode": 200
}
Show curl command
curl -X POST 'https://api.1001fx.com/data/validatephonenumber' \
  -H 'X-API-KEY: YOURSECRETAPIKEY' \
  -H 'Content-Type: application/json' \
  -d '{"phoneNumber":"030 1234567","defaultCountry":"DE"}'

Try validatephonenumber now

Run it in your browser or create a free account and get 100 credits every month.

Changelog

  • 1.0.001.11.2026created
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