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How to Do a Phone Number Lookup Using an API

by | May 26, 2023

It’s not uncommon in today’s digital age to receive calls from unknown phone numbers, whether for business or personal reasons. Fortunately, we can easily perform a phone number lookup and gather information about the caller with the help of APIs. So, in this article, we will take a look at the best free carrier lookup API in the market. Numverify is a well-known and trustworthy tool for verifying and obtaining information about cell numbers. We will look at how to use Numverify API to perform a phone number lookup and how it can help benefit your business. So let’s get started.

What is Phone Number Lookup?

person making notes while watching code in laptop

Phone number lookup is searching for information about a particular phone number. This can include identifying the caller name/owner or user of the phone number, verifying its validity, and obtaining additional details such as location, caller information, carrier information, and other relevant information. 

Phone number lookup is often used to protect against fraud, identify unknown callers, or simply find information about a phone number for personal or professional purposes. Various tools and services, including online databases, search engines, and specialized software, can perform phone number lookups.

For instance, we can use location from the API response to check the validity of a phone number.

NumberLocationValid
240-204-3291South Marsh IslandTrue
240-208-6044South Padre IslandTrue
210-212-1682North Padre IslandFalse
480-208-1872Green CanyonFalse
225-205-5535Mississippi CanyonTrue
210-204-4521Mustang IslandFalse
212-206-9045Hudson CanyonTrue

How Can You Use the Numverify API to Do a Phone Number Lookup?

man writing codes in laptop

Numverify offers an API for developers to use to perform phone number lookups programmatically. Let’s go over how to use the Numverify API to look up international numbers.

To begin, create a free account on the Numverify website. After you sign up, you’ll be given an API access key to authenticate your API requests. Make an HTTP GET request to the Numverify API endpoint to send messages with the phone number you want to look up and your API access key to perform a phone number lookup. The URL for the endpoint is https://apilayer.net/api/validate.

Include the cell number you want to look up in the API request’s number parameter. You can also refine your search by including optional parameters such as country_code or format.

The API will respond with a JSON object containing phone number information such as carrier, line type, and geographic location. You can parse this data and use it in your application as needed.

Here’s an example of how to use the Numverify API in Python to perform a cell number lookup:

import requests

access_key = ‘your_api_access_key’
phone_number = ‘number’

response = requests.get(‘http://apilayer.net/api/validate’, params={
    ‘access_key’: access_key,
    ‘number’: phone_number
})

if response.status_code == 200:
    data = response.json()
    print(‘Phone number:’, data[‘number’])
    print(‘Valid:’, data[‘valid’])
    print(‘Carrier:’, data[‘carrier’])
    print(‘Location:’, data[‘location’])
else:
    print(‘Error:’, response.status_code)

Note that you’ll need to replace your_api_access_key with your actual API access key and number with the cell number you want to look up.

What Special Features Does NumVerify Offer?

The Numverify API offers many powerful features that make it an indispensable tool for phone number validation and lookup. One of the key features is number validation, which allows the API to determine whether a cell number is valid and in the correct format. The API number lookup can also determine the country and location of a phone number, which is useful for businesses that want to target specific regions or countries. Numverify’s API can also validate national numbers for specific countries, making it an ideal solution for businesses that need to verify cell numbers for compliance or regulatory reasons.

Another useful API feature is carrier detection, which allows businesses to target specific carriers for promotions or offers. Line type detection is also supported, allowing you to differentiate between mobile phones and landlines. Finally, the countries endpoint provides a comprehensive list of all the countries supported by Numverify’s API, allowing businesses to determine which countries are serviced.

Furthermore, Numverify offers a variety of security options, including HTTPS encryption, access control, and IP blocking, to ensure that your API requests are secure and protected from unauthorized access. Overall, Numverify’s API is an effective tool for cell number validation and lookup, providing accurate and up-to-date data that can be tailored to specific business requirements.

What Are the Takeaways From This Article?

Numverify pricing plans

The Numverify API is a strong and dependable tool for cell number lookup and validation, with various customizable features that can be tailored to your specific business requirements. It can help you achieve your goals quickly and efficiently, whether you need to verify cell numbers for compliance, target specific regions or carriers for promotions, get mobile network codes, or provide accurate cell number information to your customers. Numverify is an excellent choice for businesses of all sizes and industries due to its global coverage, quick response times, and high accuracy rates.

If you want to use Numverify’s API for your business, we recommend first creating an account and obtaining an API key. With the API key, you can immediately integrate the service into your applications and utilize the powerful cell number lookup and validation features. In addition, Numverify provides extensive documentation and technical support to ensure you get the most out of the service.

So why wait? Sign up for Numverify’s API today and take your phone number lookup and validation capabilities to the next level!

What Are Some FAQs Related to This Topic?

faqs query on numverify site

How Can I Check If a Phone Number Is Real?

You can accomplish this quickly using the Numverify API. The Numverify API response comprises nine individual JSON response objects, one of which is the valid object, which returns true if the phone number specified is valid.

What Is a Lookup API?

Users can use the Lookup API to get information from cell numbers and other information about their phones. Lookup APIs support a wide range of data types for various pricing tiers. For example, you can provide specific information about what you want to buy by visiting the search page for product pricing and prices.

What Programming Languages and Platforms Are Supported by Numverify’s API?

The Numverify API is compatible with various programming languages and platforms, including Java, Python, Ruby, PHP, and .NET.

Is Numverify’s API Accurate?

Yes, Numverify’s API is highly accurate, has global coverage, and responds quickly. Additionally, the service provides customizable options for tailoring your phone number lookup requests to your specific needs.

Is There a Cost to Use Numverify’s API?

Numverify has both free and paid API plans available. The free plan has fewer features, whereas the paid plans have more features and higher usage limits.

What Is the Benefit of Using Numverify’s API for My Business?

The Numverify API can assist your company in verifying phone numbers for compliance, targeting specific regions or carriers for promotions, using carrier information, or providing accurate phone number information to your customers. The service is quick, precise, and simple to integrate into your applications.