Compare the Top Phone Verification Services that integrate with Quickwork as of December 2025

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

What are Phone Verification Services for Quickwork?

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 Quickwork currently available using the table below. This list is updated regularly.

  • 1
    Veriphone

    Veriphone

    Veriphone

    Upload your CSV list or use our powerful real-time API. Clean your contact list and prevent fraud by validating phone numbers. Veriphone will validate, format, and look up the carrier and line type of any phone number. Instantly find if a phone number is valid or not. Works for all 248 countries and territories. Rewrite any valid phone number in a standard international or local format. Find a number's country based on its prefix or on the requesting IP address location. Find a phone number's line type, carrier, and region, whenever available. Validate your phone numbers list in minutes: Upload your CSV, validate, and download. Validate phone numbers in real time with our super-fast API go-to docs. We guarantee end-to-end encryption on all our services. Validated phone numbers are automatically and permanently deleted from our servers after every validation. Validate phone numbers on your favorite tools using our Zapier or Integromat integrations.
    Starting Price: $6.99 per month
  • 2
    TeleSign

    TeleSign

    TeleSign

    Deliver timely, personalized information through global SMS/RCS and voice cloud communications. Gain a deeper understanding of your customers from actionable global phone number and subscriber data intelligence. Code once and message your customers at scale using TeleSign’s Messaging API - complete with waterfall delivery between channels. TeleSign Messaging API includes SMS, RCS, and WhatsApp to help you build secure digital communications that connect you with your customers anywhere in the world. Integrate a single Messaging API and start sending reliable, secure SMS, RCS and WhatsApp messages to your customers today. Choose one or all three channels to broaden your programmable messaging strategy and expand your audience. Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes​.
  • 3
    NumVerify

    NumVerify

    APILayer

    Get Access to The Best Phone Verification API with NumVerify. Want to get access to the best phone verification API? NumVerify is the best solution for you. For domestic and international mobile number validation and information search, NumVerify provides a complete yet simple RESTful JSON API for a sum of 232 nations around the world. It is one of the affordable numbers API. It also provides advanced features such as carrier & line type detection, validation of the advanced phone numbers using the latest international numbering plans, and location lookup. Visit NumVerify and get access to the best phone verification API.
    Starting Price: $9.99 per month
  • 4
    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.
  • 5
    Phone Validator

    Phone Validator

    Phone Validator

    We are the experts for phone number lookups to determine phone line type. Do you need to know if phone numbers are mobile, landline, toll-free, VOIP, or fake/invalid? We cover all line types and all U.S phone companies. Run a phone number search above to see our uncanny accuracy. You can automate phone validator lookups with the phone validator API. Join the many app developers and marketing agencies who already use the API to keep their project phone numbers validated in real time. Our batch processing makes updating your phone lists easy. To run a phone number batch, just upload your CSV file and we'll do the work and email your file back.
    Starting Price: $0.004 per lookup
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