Best Free Phone Verification Services of 2025

Safeguard your outreach channels against temporary email addresses and spammers with our comprehensive solutions. We provide email validation, geographical location detection, and IP checks against established spammer databases sourced from various open-source lists. Our email validation service ensures that your prospect forms do not receive disposable email addresses, while our IP health check prevents proxy users from accessing your website or mobile application. Additionally, our phone validation feature verifies a vast array of both domestic and international phone numbers, ensuring your communications reach the right audience. By utilizing these tools, you can enhance the quality of your leads and protect your online presence effectively.

SEON gives you insights into every interaction, order, account, transaction, opportunity. Stop fraud before it happens with unbeatable speed, scale, depth, and breadth. Uniquely combining open data from digital and social media, phone, email, IP, and device lookups in real-time. Giving you accuracy and a true picture of what a real person looks like today. Intelligent risk scoring with AI and machine learning adapt to how different businesses evaluate risk. You get full visibility and complete control of how AI decisions are made, try SEON with low risk and high rewards. SEON provides a comprehensive end-to-end fraud prevention solution, including Anti-Money Laundering (AML). Make it hard for fraudsters to beat. Uncover fraud patterns and discover revenue opportunities.

A legitimate customer is characterized by accurate contact details, and to ensure the information's correctness, we verify the following: - Email Address - Phone Number - URL - Domain Name before collection and storage. Isn't it worthwhile to invest a fraction of a penny to confirm its authenticity and provide the customer with an opportunity to correct any errors they may have made while entering their information? Ensuring the accuracy of customer data not only helps in maintaining effective communication but also enhances overall customer satisfaction.

You can either upload your CSV file or utilize our robust real-time API to enhance your contact list and mitigate fraud by validating phone numbers. Veriphone offers comprehensive validation, formatting, and carrier lookup services for any phone number, allowing you to quickly determine its validity. Our system supports all 248 countries and territories, enabling you to rewrite any legitimate phone number into a standard international or local format. Additionally, you can identify a number's country based on its prefix or the location of the requesting IP address, and retrieve details about its line type, carrier, and region whenever possible. In just a matter of minutes, you can validate your phone number list by uploading your CSV, performing the validation, and then downloading the results. Our super-fast API allows for real-time validation, and detailed documentation is readily available to assist you. We prioritize security, ensuring end-to-end encryption for all our services, and any validated phone numbers are automatically and permanently erased from our servers following each validation. You can also validate phone numbers seamlessly within your preferred tools using our integrations with Zapier or Integromat, making it easier than ever to keep your contact list accurate and secure.

Unlock the exceptional phone verification API offered by NumVerify. If you're in search of a top-tier phone verification solution, look no further; NumVerify stands out as the ideal choice. This comprehensive RESTful JSON API is designed for both domestic and international mobile number validation and information retrieval, covering a total of 232 countries globally. Not only is it one of the most cost-effective number APIs available, but it also boasts advanced functionalities such as carrier and line type detection, validation in line with the latest international numbering standards, and location lookup capabilities. Explore NumVerify today and gain access to the premier phone verification API that meets all your needs. By choosing this service, you can ensure reliable and accurate validation for your mobile number requirements.

Plauti transforms how businesses manage their Salesforce data by providing a comprehensive platform that verifies, cleans, and automates data handling directly within Salesforce. The platform ensures your customer records are accurate, deduplicated, and up-to-date, so your teams can engage with the right information at the right time. Plauti's no-code customization allows admins to easily adapt workflows without IT involvement, while its powerful data manipulation capabilities provide complete control over data processes. With Plauti, businesses can improve data quality, reduce manual efforts, and drive results faster and more efficiently.

We are experts in determining the type of phone line. You need to know whether a phone number is mobile, landline or toll-free. Do you want to know if it's fake/invalid, or VOIP? We cover all US phone companies and all line types. You can check our accuracy by running a search for a phone number above. The phone validator API allows you to automate phone lookups. Join the many app developers, marketing agencies and other companies who use the API for real-time phone number validation. Update your phone lists with ease using our batch processing. Upload your CSV file to run a batch of phone numbers. We'll do all the work for you and email back your file.