7 Reliable Phone Number Validator API for Your Next Product

by | Jul 10, 2023

Data security is one of the most important issues of our time. The widespread use of the Internet, the digital age, and the fact that billions of people spend time on the Internet have revealed data vulnerabilities. The consequences of data vulnerabilities harm businesses in many ways. Because of this, businesses have started to take various steps to protect users’ data. The most popular of these steps today is to use a phone number validation API. A phone number validator API that provides a phone number verification service is the easiest step for businesses to eliminate data vulnerabilities.

This API allows businesses to easily validate their users’ phone numbers. Therefore, businesses allow users to take necessary actions after validating their phone numbers. Users often verify their phone numbers to obtain information such as bank account information, credit card transactions, or more personal information. The increasing use of phone number validation APIs has increased the number of these APIs. In this article, we will introduce today’s most popular and reliable APIs that provide phone number validation services.

Top Phone Number Validator API List

In this section, we will list the most reliable phone number APIs available today.

The numverify API

home page of the numverify phone number validator api

The numverify API is one of the most reliable and best phone number validation APIs on the market. Supports phone numbers of 232 countries. With the data obtained from reliable sources, this API provides high-accuracy data to its users. This API provides a very detailed JSON response. This JSON response provides very detailed information about the phone number, such as line type, carrier, and country. The numverify API also integrates easily into all programming languages.

Learn how to get started with the numverify API.

This API has multiple subscription plans. Three are paid and one is free. The free plan offers up to 100 requests per month and an API key is required. The paid plan starts at $14.99.

Abstract API

home page of the abstract phone number validator api

Abstract Nokia provides a phone number validation API used by many businesses like Bayer, Google, and more. This API provides the ability to validate phone numbers of 190 countries. Moreover, this API provides fake number detection. It is a very simple API to use. Additionally, it guarantees a high uptime to its users.

Abstract API has a flexible pricing policy. It has multiple paid plans. The fee of the initial plan is $9 per month.


home page of the numlookapi phone number validator api

NumlookupAPI is a reliable worldwide phone number lookup API. More than 15,000 businesses around the world, especially companies such as Coca-Cola, Heineken, and SAP, use this API. This API offers unlimited concurrency to its users with its paid plans. It is a very fast API. It has unique documentation that provides very detailed information about the API. Furthermore, in this documentation, there are sample integration codes of this API into multiple programming languages.

This API has a free subscription plan. This plan is limited to 100 requests per month. Paid plans start at just $9.99 per month.

Byteplant Phone Number Validator API

home page of the byteplant phone number validator api

Byteplant Phone Number Validator API is currently used by international companies such as Toyota and Autodesk. It is an international phone number validator API. This API supports phone numbers from 240 countries. It can also perform phone number verification in bulk.

While this API offers subscription plans to its users, it also offers a pay-as-you-go pricing model. It is possible to get price information according to the needs from the pricing tab of this API.

Neutrino API

home page of the neutrino phone number validator api

Neutrino is another reliable phone number validation API that provides a number validation service to users. This API offers its users very easy to use. In addition, the JSON response it provides contains detailed information. Country, country code, and type are just some of the information it provides.

This API offers its users three different paid subscription plans. The first of these plans starts at $10 per month.

Mocean API

home page of the mocean phone number validator api

Mocean is an API provider that provides various services today. One of these services is phone number lookup. With this service, Mocean provides its users with the phone number validation process with a very detailed JSON output. It can be easily and quickly integrated into multiple programming languages.

This API charges its users €0.0035 per lookup.

Veriphone API

home page of the veriphone phone number validator api

Veriphone API is a powerful real-time phone number validator API that supports 248 countries and territories. This API provides information such as line type, carrier, and region of a phone number. It also supports bulk number validation. It provides integration codes for popular programming languages such as PHP, Javascript, and Java in the documentation it provides.

Veriphone API offers its users a limited plan of up to 1000 requests per month, free forever. Their paid plans start at $6.99 per month.


At the end of the day, the number of phone number validation APIs available to developers and businesses in the market has increased. These increasing APIs have made it difficult to detect reliable phone number validation APIs that serve in this regard. The trusted APIs we listed in this article are the phone number validation APIs that multiple customers frequently use today.

Try our free number validation API and quickly validate phone numbers of 232 countries!


Q: What Is the Phone Validation API?

A: The phone validation API is a programming interface used to verify the validity of phone numbers provided by users on an application or website. This API allows developers to perform functions such as verifying phone numbers, determining the number type, retrieving operator information, and providing other relevant information. The use of the phone validation API is very common to provide an additional layer of security during the user registration process or performing important operations.

Q: What Are the Use Cases of Phone Number Validation API?

A: Businesses frequently use phone number validation APIs for many purposes today. Firstly, they use these APIs to verify their users’ phone numbers. Then they use it during the user registration and verification phase of their application. Lastly, they also use these APIs in two-factor authentication mechanisms.

Q: How Many Countries’ Phone Numbers Does the numverify Phone Number Validator API Support?

A: The numverify API is a phone validator API that supports most international phone numbers that businesses and developers can use. It supports phone numbers of 232 countries around the world. Thus, it provides international phone number validation to businesses and developers.

Q: What Are the Most Popular Phone Number Validator APIs I Can Use in My App?

A: There are many capable phone number validator APIs in the market that you can use in your app. Some of these APIs are as follows:

  • The numverify API
  • Abstract API
  • NumlookupAPI
  • Byteplant Phone Number Validator API
  • Neutrino

Q: Does the numverify API Only Provide Phone Number Validation?

A: No, it does not. It’s more than just a phone number validation API. This API is detecting invalid phone numbers and provides too much information about these phone numbers. Such as carrier, location, and line type information of the phone number.

Q: What Are the Business Benefits of Using the Phone Number Validation API?

A: Businesses gain many benefits by using a phone number validation API. Some of these advantages are as follows:

  • Accuracy and Data Quality
  • Fraud Prevention
  • Customer Experience
  • Two-Factor Authentication
  • Marketing Event