The Worldwide Number Validation API is designed to validate phone numbers globally and obtain detailed information about each line. Its main objective is to offer accuracy and reliability in number verification, helping users improve the quality of their contact data and optimize their communication processes.
When a phone number is submitted, the API returns multiple relevant data points, including whether the number is valid or not, its local and international format, the country code, the ISO country code, the country name, the associated location (e.g., a city or region), the carrier, and the line type (e.g., mobile, landline, VoIP, etc.). This information enables more accurate segmentation, form validation, fraud prevention, and greater efficiency in marketing or messaging campaigns.
The API is ideal for integration into user verification platforms, SMS messaging services, CRM systems, mobile applications, and any environment where the authenticity and accuracy of numbers are critical. In addition, it supports a wide variety of international formats, making it easy to work with phone data from different countries without the need for manual adjustments.
Its architecture is designed to provide a fast and lightweight response in JSON format, allowing for easy integration with virtually any programming language or development environment. Results are delivered in a structured format, making them easy to interpret and use immediately within automated systems.
With the Worldwide Number Validation API, developers can ensure their databases are up to date, eliminate invalid records, and improve the quality of their communications. Whether validating new records, cleaning existing lists, or analyzing phone information on a large scale, this API offers a reliable, scalable, and efficient solution for any application that relies on accurate contact data.
{
"valid": true,
"number": "14158586261",
"local_format": "4158586261",
"international_format": "+14158586261",
"country_prefix": "+1",
"country_code": "US",
"country_name": "United States of America",
"location": "Novato",
"carrier": "AT&T Mobility LLC",
"line_type": "mobile"
}
curl --location --request GET 'https://zylalabs.com/api/10877/worldwide+number+validation+api/20581/number+check?number=14158586261' --header 'Authorization: Bearer YOUR_API_KEY'
| Header | Description |
|---|---|
Authorization
|
[Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed. |
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
The API returns comprehensive data about phone numbers, including validation status, local and international formats, country code, country name, location, carrier, and line type. This information helps ensure accurate contact data for various applications.
Key fields in the response include "valid" (boolean), "number" (original number), "local_format" (formatted for local dialing), "international_format" (formatted for international dialing), "country_code", "country_name", "location", "carrier", and "line_type".
The response data is structured in JSON format, making it easy to parse and integrate into applications. Each field is clearly labeled, allowing developers to quickly access specific information about the phone number.
The endpoint provides information on phone number validity, formatting (local and international), geographic location, carrier details, and line type (e.g., mobile, landline). This data is essential for user verification and communication optimization.
Data accuracy is maintained through continuous updates from reliable telecommunications sources and regular quality checks. This ensures that the information provided is current and reflects real-world conditions.
Typical use cases include validating user phone numbers during registration, cleaning contact lists for marketing campaigns, preventing fraud in transactions, and enhancing customer relationship management (CRM) systems.
Users can customize requests by specifying the phone number they wish to validate. The API processes the input and returns detailed information based on the provided number, ensuring tailored responses for different scenarios.
Standard data patterns include a boolean "valid" field indicating number status, formatted numbers in "local_format" and "international_format", and detailed carrier and location information. Users can expect consistent formatting across responses.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund
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