| About
            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.
             | About
            Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more.
Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.
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| Platforms Supported
            
                Windows
            
            
         
            
                Mac
            
            
         
            
                Linux
            
            
         
            
                Cloud
            
            
         
            
                On-Premises
            
            
         
            
                iPhone
            
            
         
            
                iPad
            
            
         
            
                Android
            
            
         
            
                Chromebook
            
            
         | Platforms Supported
            
                Windows
            
            
         
            
                Mac
            
            
         
            
                Linux
            
            
         
            
                Cloud
            
            
         
            
                On-Premises
            
            
         
            
                iPhone
            
            
         
            
                iPad
            
            
         
            
                Android
            
            
         
            
                Chromebook
            
            
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| Audience
        Companies interested in a CPaaS, SMS, and phone number verification solution
         | Audience
        Twilio's software is crafted to empower developers, businesses of all sizes, non-developers, and customer engagement teams by seamlessly integrating communication capabilities into their applications.
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| Support
            
                Phone Support
            
            
         
            
                24/7 Live Support
            
            
         
            
                Online
            
            
         | Support
            
                Phone Support
            
            
         
            
                24/7 Live Support
            
            
         
            
                Online
            
            
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| API
            
                Offers API
            
            
         | API
            
                Offers API
            
            
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| Screenshots and Videos | Screenshots and Videos | |||||
| Pricing
        No information available.
        
        
     
            
                Free Version
            
            
         
            
                Free Trial
            
            
         | Pricing
        $0.0085 per min
        
     
            
                Free Version
            
            
         
            
                Free Trial
            
            
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Reviews/ | 
Reviews/ | |||||
| Training
            
                Documentation
            
            
         
            
                Webinars
            
            
         
            
                Live Online
            
            
         
            
                In Person
            
            
         | Training
            
                Documentation
            
            
         
            
                Webinars
            
            
         
            
                Live Online
            
            
         
            
                In Person
            
            
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| Company InformationTeleSign Founded: 2005 United States www.telesign.com | Company InformationTwilio Founded: 2008 United States www.twilio.com/en-us | |||||
| Alternatives | Alternatives | |||||
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| Categories | CategoriesTwilio's application development tools empower developers to build robust communication solutions quickly and efficiently. With Twilio's APIs, developers can integrate voice, messaging, and authentication features into their applications, enhancing user engagement and experience. Using Twilio's Programmable Voice API, developers can create applications that handle inbound and outbound calls, implement call tracking, and provide interactive voice response (IVR) systems. The Messaging API allows for sending and receiving SMS, MMS, and WhatsApp messages, enabling real-time communication with users. Twilio's Verify API ensures secure user authentication through SMS, voice, and email verification, protecting applications from fraudulent activities. Additionally, Twilio's Flex platform offers a customizable digital engagement center for sales and support, allowing businesses to tailor customer interactions. Twilio's call recording functionality, integrated with Twilio Flex, empowers businesses to manage voice interactions with precision and compliance. The REST API allows users to start, pause, resume, and stop call recordings dynamically, providing flexibility in handling sensitive information. This is particularly beneficial for scenarios where agents need to collect confidential data, such as credit card details or social security numbers, ensuring that these segments are not recorded. The modular Plugins system in Flex enables the addition of UI buttons for controlling call recordings, enhancing the user experience for agents. This solution is ideal for digital engagement centers that require robust security and compliance measures. For businesses, recording calls is crucial for agent training, quality assessments, historical reporting, and analytics. Twilio's call tracking solutions empower businesses to optimize marketing efforts and enhance ROI. By using Twilio's Programmable Voice APIs, companies can create tailored call tracking programs that provide insights into which campaigns, keywords, and sessions drive revenue. This allows businesses to allocate resources effectively, focusing on successful campaigns and cutting underperforming ones. Twilio's APIs facilitate bulk purchase of local and toll-free numbers, directing leads to any endpoint. This flexibility ensures businesses can customize their call tracking systems. Twilio's Chat SDK & API empower businesses to integrate real-time messaging capabilities into their applications, enhancing customer engagement and support. The SDKs are available for both Android and iOS platforms, providing a seamless experience across devices. With Twilio's Chat SDK, developers can easily manage communications on chat channels, leveraging features like message rendering and media publishing. The SDK's sendMessage method simplifies the process of sending messages over Twilio Chat Channels, ensuring efficient communication. Twilio's Chat API supports push notifications, enabling timely alerts and updates for users. By integrating with services like GCM or FCM, businesses can ensure that users receive notifications even when the app is not active. The Chat SDKs are designed for easy integration, with comprehensive guides available for both Android and iOS platforms. Twilio's Cloud Communications Platform empowers developers to integrate voice, messaging, and email directly into their applications using familiar programming languages. This eliminates the need for traditional telecom infrastructure, allowing businesses to focus on building solutions without the complexities of equipment, protocols, and contracts. With a globally distributed architecture and thousands of carrier connections, Twilio offers immediate global reach and scalability. Businesses can integrate real-time communications with minimal code, avoiding the burdens of capacity planning and upfront capital. The platform's pay-as-you-go model ensures cost-effectiveness. Security is paramount, with strong encryption, role-based access control, and proactive monitoring by dedicated security experts. Twilio's self-healing infrastructure guarantees uptime and transparency, backed by a robust SLA. Twilio's Communications Platform as a Service (CPaaS) empowers businesses to seamlessly integrate communication capabilities into their applications, enhancing customer engagement and operational efficiency. By leveraging Twilio's cloud-based APIs, companies can embed voice, messaging, and email functionalities without the need for traditional telecom infrastructure, streamlining processes and reducing costs. Twilio's CPaaS offers global reach through its geographically distributed hosting and scalable architecture, enabling businesses to expand rapidly and connect with customers worldwide. The platform supports a pay-as-you-go model, ensuring cost-effectiveness by charging only for what is used. Security is a top priority, with robust encryption, role-based access control, and proactive incident response teams ensuring data protection and service reliability. Twilio's commitment to security is backed by a service level agreement (SLA), providing peace of mind for businesses. Twilio's Customer Data Platform (CDP), powered by Segment, unifies customer data across all touchpoints, providing a comprehensive view of the customer journey. By consolidating data from various sources, it breaks down silos and creates a single source of truth for customer information. Companies like Domino's and Zenyum have streamlined data collection, enabling them to understand customer preferences and behaviors effectively. This unified approach empowers personalized experiences, enhances engagement, and optimizes marketing strategies. Twilio's CDP integrates seamlessly with data warehouses and martech tools, offering real-time visibility into customer interactions. It supports data-driven decision-making, helping businesses build stronger customer relationships. Overall, Twilio's CDP is a powerful tool for enhancing customer data management and driving growth through personalized, data-driven strategies. Twilio revolutionizes customer engagement by providing a comprehensive suite of communication tools that empower businesses to connect with their customers seamlessly across multiple channels. With Twilio Messaging, businesses can send personalized SMS, MMS, and WhatsApp messages, ensuring timely and relevant communication. Twilio Voice API enables high-quality voice interactions, enhancing customer support and sales processes. Twilio Flex, a digital engagement center, allows for customized customer interactions, integrating various communication channels into a single platform. Twilio Engage and Marketing Campaigns facilitate targeted outreach, driving customer engagement through personalized marketing efforts. Additionally, Twilio Verify ensures secure interactions by adding an extra layer of authentication. By leveraging these tools, businesses can create meaningful, personalized, and secure customer experiences, fostering loyalty and driving growth. Twilio provides robust tools for mobile app development, enabling seamless integration of communication features like messaging, voice, and email into iOS and Android applications. Developers can leverage Twilio's APIs to build apps that engage users through SMS, MMS, and push notifications, enhancing user interaction and retention. For iOS, Twilio offers comprehensive guides and SDKs to integrate push notifications, ensuring timely and relevant communication with users. Android developers can utilize Twilio's Sync for real-time data synchronization, enabling collaborative and interactive app experiences. Twilio's platform supports rapid prototyping and deployment, with resources like CodeExchange offering sample code for complex use cases, such as vacation rental apps that notify users of reservation statuses via SMS. This accelerates development cycles and reduces time-to-market. Twilio's Elastic SIP Trunking provides a robust and scalable solution for businesses looking to modernize their communication infrastructure. By leveraging the Session Initiation Protocol (SIP), Twilio enables seamless voice and multimedia communication over the internet, eliminating the need for traditional circuit-switched lines. With Twilio's SIP Trunking, businesses can quickly set up and manage phone numbers, reducing the time to create a new number from days to seconds. This flexibility is complemented by Twilio's global reach, allowing businesses to connect with customers worldwide with high-quality voice calls. Twilio's platform supports a range of real-time communication services, including voice calls, instant messaging, and multimedia conferences. The standardized nature of Twilio's SIP Trunking simplifies integration, avoiding the complexities associated with legacy carriers. Twilio's SMS API empowers businesses to integrate robust messaging capabilities into their applications, enhancing customer communication and engagement. By leveraging Twilio's cloud-based API, companies can send and receive SMS messages globally, ensuring seamless interaction with customers. The SMS API offers a RESTful interface, allowing developers to easily integrate messaging functionalities using any programming language. Twilio provides Helper Libraries to simplify the process, enabling rapid development and deployment of messaging solutions. With Twilio's SMS API, businesses benefit from a pay-as-you-go pricing model, ensuring cost-effectiveness by charging only for messages sent and received. This flexibility allows companies to scale their messaging operations as needed, without incurring unnecessary costs. Twilio's SMS Gateway offers businesses a robust solution for enhancing customer engagement through SMS, one of the most widely used communication channels globally. By leveraging this gateway, companies can deliver personalized and timely messages directly to their customers' mobile devices. The SMS Gateway allows for the automation of messages, enabling businesses to send notifications, alerts, and customer support messages efficiently. This automation not only improves operational efficiency but also enhances the customer experience by providing quick and reliable communication. With Twilio's SMS Gateway, businesses can send messages up to 1600 characters, allowing for detailed communication. However, Twilio recommends keeping messages concise, ideally under 320 characters, to ensure optimal deliverability and user experience. This feature is particularly beneficial for customer support and marketing campaigns. Twilio's Voice Calling API and SDKs empower businesses to integrate voice communication capabilities into their applications, providing a seamless and efficient way to connect with customers over the phone. This integration allows businesses to enhance their customer engagement strategies by offering personalized and real-time voice interactions. The Voice Calling API enables businesses to make, receive, and manage calls programmatically, offering a high degree of flexibility and control over voice communications. This capability is crucial for businesses looking to automate call workflows, such as customer support hotlines, appointment reminders, or sales calls, thereby improving operational efficiency and customer satisfaction. Twilio's Voice SDKs support various platforms, including Android, iOS, JavaScript, and React Native, allowing developers to build voice-enabled applications across different devices. Twilio empowers businesses to leverage WhatsApp for marketing, providing a powerful channel to engage customers with personalized and timely messages. With Twilio's Programmable Messaging API, businesses can seamlessly integrate WhatsApp into their marketing strategies, ensuring broad reach and high engagement rates. Businesses can use Twilio to send appointment reminders, promotional offers, and transactional notifications, enhancing customer experience and driving conversions. The API supports rich media messages, allowing for interactive and visually appealing content that captures attention. Twilio's platform ensures compliance with WhatsApp's guidelines, providing tools to manage opt-ins and maintain customer trust. With detailed analytics and reporting, businesses can track the performance of their campaigns and optimize strategies for better results. | |||||
| Cloud Communication Platform Features
            
                Audio / Video Conferencing
            
            
         
            
                Call Center
            
            
         
            
                Call Recording
            
            
         
            
                Call Routing
            
            
         
            
                Chat / Messaging
            
            
         
            
                Fax Management
            
            
         
            
                File Sharing
            
            
         
            
                IVR / Voice Recognition
            
            
         | Cloud Communication Platform Features
            
                Audio / Video Conferencing
            
            
         
            
                Call Center
            
            
         
            
                Call Recording
            
            
         
            
                Call Routing
            
            
         
            
                Chat / Messaging
            
            
         
            
                Fax Management
            
            
         
            
                File Sharing
            
            
         
            
                IVR / Voice Recognition
            
            
         Customer Engagement Features
            
                Analytics
            
            
         
            
                Churn Management
            
            
         
            
                Communication Management
            
            
         
            
                Community Management
            
            
         
            
                Content Syndication
            
            
         
            
                Feedback Collection
            
            
         
            
                Gamification
            
            
         
            
                Live Chat
            
            
         
            
                Video Content
            
            
         Application Development Features
            
                Access Controls/Permissions
            
            
         
            
                Code Assistance
            
            
         
            
                Code Refactoring
            
            
         
            
                Collaboration Tools
            
            
         
            
                Compatibility Testing
            
            
         
            
                Data Modeling
            
            
         
            
                Debugging
            
            
         
            
                Deployment Management
            
            
         
            
                Graphical User Interface
            
            
         
            
                Mobile Development
            
            
         
            
                No-Code
            
            
         
            
                Reporting/Analytics
            
            
         
            
                Software Development
            
            
         
            
                Source Control
            
            
         
            
                Testing Management
            
            
         
            
                Version Control
            
            
         
            
                Web App Development
            
            
         Call Recording Features
            
                Archiving
            
            
         
            
                Call Sharing
            
            
         
            
                Distributed Call Recording
            
            
         
            
                Event Triggered Recording
            
            
         
            
                File Transfer
            
            
         
            
                Instant Retrieval
            
            
         
            
                On-Demand Recording
            
            
         
            
                Recording Bookmarking
            
            
         
            
                Scheduled Recording
            
            
         
            
                Screen Activity Recording
            
            
         
            
                Video Call Recording
            
            
         Call Tracking Features
            
                Call Log
            
            
         
            
                Call Recording
            
            
         
            
                Call Routing
            
            
         
            
                Caller Identification
            
            
         
            
                Campaign Management
            
            
         
            
                Conversion Tracking
            
            
         
            
                CRM
            
            
         
            
                IVR / Voice Recognition
            
            
         
            
                Keyword Tracking
            
            
         Customer Data Platforms (CDP) Features
            
                Behavioral Analytics
            
            
         
            
                Campaign Management
            
            
         
            
                Customer Profiles
            
            
         
            
                Customer Segmentation
            
            
         
            
                Data Integration
            
            
         
            
                Data Matching
            
            
         
            
                GDPR Compliance
            
            
         
            
                Personalization
            
            
         
            
                Predictive Modeling
            
            
         Mobile App Development Features
            
                Access Controls / Permissions
            
            
         
            
                Any App Development Language
            
            
         
            
                Collaboration Tools
            
            
         
            
                Compatibility Testing
            
            
         
            
                Data Modeling
            
            
         
            
                Debugging
            
            
         
            
                Drag and Drop Editor
            
            
         
            
                Enterprise Mobility (EMM/MAM)
            
            
         
            
                FaceID and TouchID
            
            
         
            
                For Consumer Apps
            
            
         
            
                For Enterprise Apps
            
            
         
            
                Integration Options
            
            
         
            
                Mobile App Security
            
            
         
            
                Multi-Factor Authentication (MFA)
            
            
         
            
                Multiple Apps from Same Base
            
            
         
            
                No Dependencies
            
            
         
            
                No-Code
            
            
         
            
                Reporting / Analytics
            
            
         
            
                Single Sign-On (SSO)
            
            
         
            
                Source Control
            
            
         
            
                Visual Editor
            
            
         SIP Trunk Features
            
                Automatic Fail-over Routing
            
            
         
            
                Call Data Records
            
            
         
            
                Caller ID
            
            
         
            
                Disaster Recovery
            
            
         
            
                e911
            
            
         
            
                International Numbers
            
            
         
            
                Multiple DID Options
            
            
         
            
                PSTN Forwarding
            
            
         
            
                Toll-Free Numbers
            
            
         WhatsApp Marketing Features
            
                Alerts
            
            
         
            
                API
            
            
         
            
                Autoresponder
            
            
         
            
                Bulk Messaging
            
            
         
            
                Campaign Management
            
            
         
            
                Contact Management
            
            
         
            
                Multi-Language Support
            
            
         
            
                Reporting / Analytics
            
            
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| Integrations
            
                
    AppMaster
            
            
         
            
                
    DentalTap
            
            
         
            
                
    Next Identity
            
            
         
            
                
    Rayven
            
            
         
            
                
    WhatsApp
            
            
         
            
                
    Wufoo
            
            
         
            
                
    Blink
            
            
         
            
                
    EpicTexting App
            
            
         
            
                
    FAMCare Human Services
            
            
         
            
                
    GitHub Student Developer Pack
            
            
         | Integrations
            
                
    AppMaster
            
            
         
            
                
    DentalTap
            
            
         
            
                
    Next Identity
            
            
         
            
                
    Rayven
            
            
         
            
                
    WhatsApp
            
            
         
            
                
    Wufoo
            
            
         
            
                
    Blink
            
            
         
            
                
    EpicTexting App
            
            
         
            
                
    FAMCare Human Services
            
            
         
            
                
    GitHub Student Developer Pack
            
            
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