Compare the Top Phone Verification Services that integrate with Gmail as of August 2025

This a list of Phone Verification services that integrate with Gmail. Use the filters on the left to add additional filters for products that have integrations with Gmail. View the products that work with Gmail in the table below.

What are Phone Verification Services for Gmail?

Phone verification services are tools that help businesses validate phone numbers provided by users to ensure they are valid and active. These services typically use automated processes to check if a phone number is correct, reachable, and not associated with fraud or spam. Phone verification is commonly used during account sign-ups, transaction processes, or user authentication to prevent fake or incorrect information. These services often include features like SMS-based verification codes, automated voice calls for two-factor authentication (2FA), and number formatting checks. Phone verification is crucial for enhancing security, improving data quality, and reducing the risk of fraud. Compare and read user reviews of the best Phone Verification services for Gmail currently available using the table below. This list is updated regularly.

  • 1
    ClearoutPhone

    ClearoutPhone

    ClearoutPhone

    Maintain CRM hygiene by validating your phone number database. Defend against fraud and save efforts by avoiding incorrect or badly formatted numbers. Broaden your telecommunication and text messaging strategy. Reduce the chances of having your text treated as spam. Plan perfectly timed SMS campaigns and cold calling schedules based on the timezone and location of your prospects. Phone validation is primarily performed to know the validity, line type, network carrier, location, etc, of the users before reaching them through various ways like SMS/call, etc. It's a real-time process that takes less than a fraction of a second. Easy to integrate, its usage will bring several benefits. Are you aware of the bulk amount wasted by wrong strategies like sending SMS on landlines, calling leads after office hours, communicating in the wrong language, etc? Avoid being a part of such wastage by using a phone validator to acquire all relevant details relating to a phone number.
    Starting Price: $22.50 per month
  • 2
    MOCEAN

    MOCEAN

    MOCEAN

    Inform, reassure and delight your customers with the information they need, when and where they need it—even within the context of your app. Reach your customer with your preferred channel SMS or Telegram without the hassle of managing multiple API. Reducing cost by leveraging the network to enable your team and customers to freely message at the lowest cost. Intrigue your customer with multimedia messaging - photo, video, audio, and location to upgrade user experience. Ideal solution for validating new customers or new accounts for your website as it helps verify that your customer is human and you will not be charge if there is no verification from customers. This prevents you from spam as it has spam protection.
  • 3
    Vonage Communications APIs (Nexmo)
    Creating Customer Journeys Through Conversations. Engaging experiences that move with your customers. Loved by developers. Built for business. Vonage Communications APIs (formerly Nexmo) helps growing startups and agile enterprises enhance their customer experience and realize new business outcomes at scale. With our easy-to-use APIs, global platform, and expert support, you can abstract the complexity of communications and innovate faster. Reimagine voice interactions to redefine your customer experiences. Make each message count as an opportunity for your customers and your business. Enhance security and privacy—and create seamless login experiences. Build modern, high-quality voice applications in the cloud. Programmatically send and receive SMS in practically every country. Get real-time intelligence on any phone number in the world. Make and receive calls from the cloud with your existing VoIP infrastructure.
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