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.
About Twilio
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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Pricing
Programmable SMS: Starting at $0.0079 to send or receive a message.
Twilio SendGrid Email API: Start for free with 100 emails/day. Paid plans start at $19.95/month.
Twilio Security
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Product Details
Twilio Frequently Asked Questions
Twilio Product Features
Application Development
Twilio'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.
Call Recording
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.
Call Tracking
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.
Chat SDK & API
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.
Cloud Communication Platform
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.
Communications Platform as a Service (CPaaS)
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.
Customer Data Platforms (CDP)
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.
Customer Engagement
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.
Mobile App Development
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.
SIP Trunk
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.
SMS API
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.
SMS Gateways
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.
Voice Calling API & SDK
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.
WhatsApp Marketing
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.
Twilio Additional Categories
Live Streaming SDK & API
Twilio's Live Streaming SDK & API enable businesses to deliver high-quality, real-time video content to a global audience. These tools are essential for applications requiring live video streaming, such as sporting events, product launches, and breaking news broadcasts. The SDKs are designed for both browser-based web applications and native mobile applications, providing flexibility and ease of integration. Twilio's Programmable Video SDKs allow developers to capture and render video locally, ensuring seamless video delivery and superior resolution.
Video SDK & API
Twilio's Video SDK & API empower businesses to integrate high-quality video communication into their applications, enhancing user engagement and interaction. These tools are ideal for applications requiring video conferencing, virtual events, and real-time collaboration. The SDKs are available for browser-based web applications and native mobile applications, providing flexibility and ease of integration. Twilio's Programmable Video SDKs allow developers to capture and render video locally, ensuring seamless video delivery and superior resolution.
WhatsApp Business API Providers
Twilio's WhatsApp Business API provides businesses with a powerful tool to enhance customer engagement through one of the world's most popular messaging platforms. By integrating this API, companies can deliver personalized and timely communications directly to their customers' WhatsApp accounts. The WhatsApp Business API 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 API, businesses can leverage WhatsApp's rich media capabilities, sending images, documents, and location data, which enriches the interaction and provides more context to the conversation. This feature is particularly beneficial for customer support and marketing campaigns, where visual content can significantly enhance the message's impact.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Developer Platform To Coordinate Comms" Posted 2025-10-09
Pros: Twilio is a great platform if you are a developer and want to leverage their capabilities to send communications (i.e. text messages) via API. We leverage it heavily in our application for sending reminder texts and other notifications and found that it was straight forward to use for our development team.
Cons: They would improve some of the functionality for non-tech users once the integrations have been provisioned. We tried to hand off some of the work load once the integration was made to marketing but they found parts of the platform hard to use so we had to revert back to using of Devs for everything.
Overall: Overall if you are looking for an API driven system to deliver text messages, and other comms its hard to look past Twilio. It does everything that you need to do and pricing scales nicely.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Stable & Reliable - and very nearly great" Posted 2022-08-15
Pros: The Zapier-Twilio interface is a good one, and makes sending MMS and SMS messages very easy. The general UX for Twilio is OK, too.
Cons: The problem comes when there's a messaging error. The error notification can be a long time in coming, and not particularly informative. Even if you drill down to the data dispatched to Twilio, the error codes aren't very informative.
Overall: Generally - I'm very happy with Twilio. Yes, I wish error handling was faster and more intuitive. But since errors are highly infrequent, that's not a deal-breaker.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Seamless to integrate and use." Posted 2022-07-11
Pros: - It can be easily integrated with any application with ease.
- It has brief tutorials available on the website itself.
- The subscription model is value for money and also has a trial version available.
- The user interface and the admin panel is intuitive and easy to use.Cons: - I haven't found any cons in my usage, easy to use and gets the job done.
Overall: Overall, Twilio is a great application which can be easily integrated with any mobile or web application for features like SMS, Calling and text messages feature.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Affordable and reliable communication software." Posted 2022-05-23
Pros: - The best thing about using Twilio is it is not tedious at all, can be easily connected with any application.
- It provides SMS and messages API for applications with step-by-step guide for integration.
- It provides trial credits to test all the features in real world before investing for the actual subscription.
- The authentication notifications are real-time without any delays.Cons: - The data analytics are not as detailed as other alternatives.
- It can be a bit difficult to use it initially.Overall: Overall, Twilio it is one of the leading cloud based communication software which provides seamless SMS, calling and other authentication services in real-time with any application.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Most affordable messaging and verification service for business applications." Posted 2022-03-22
Pros: - Twilio can be easily integrated with any application made on any platform.
- The website has a brief documentation on how to integrate Twilio with various programming languages.
- Twilio gives free 15 dollar credit to test the features and functionalities before opting for the paid version of the service.
- The email and SMS are quick and works with both national and international numbers.
- The configuration of the application is easy as the user interface of the application is easy to use and navigate.Cons: - Using simple features like emails and push messaging is easy, but to use the application's all the features to its full potential there is a high learning curve.
Overall: Overall, Twilio is one of the most affordable and integration friendly service provider for SMS, emails and verification through OTP. It also provides a free account with some free credits, which is enough to test all the features.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Reliable and Trustworthy tool." Posted 2022-01-23
Pros: - It can integrate seamlessly with any front end application with just few lines of codes.
- The website has brief tutorial to use the services and to establish connection with other application.
- The application is overall quite easy to use with the intuitive and all the main services are shown on the home page.
- It lets the user test all the features and services with the 15 dollars trial credit before opting for the paid subscription.
- The API for email and text messages works in real-time without any delays.
- The subscription price of the application is pretty affordable and the users have to pay only for the services they want to use.Cons: - The after support for the Asia region lacks a bit compared to other regions.
Overall: Twilio is a great tool to integrate messages, calls and email API seamlessly with any technology or application. It works great every time and with the trial credits every feature can be tested before paying for them.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Easy to integrate and pocket-friendly." Posted 2021-12-10
Pros: - Twilio can be seamlessly integrated with almost any CRM system.
- It is easy to configure and use.
- Twilio offers trial account before opting for any subscription, and the trial account provides enough credits to test all its features and functionalities.
- The test and emails works in real-time.
- The subscription plan is very affordable for any organization or startup.Cons: - There isn't any cons that I have found in Twilio in my usage, but if I had to nitpick, I would say they can make their tutorials more intuitive.
Overall: Overall, Twilio is of the best platform for automated texts, calls and email services. It is affordable, feature-rich, easy to use platform which can be easily integrated with any third-party application.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"An all-in-one marketing solution for any organization." Posted 2021-11-18
Pros: - It can be easily integrated with any CRM tool.
- It is an easy-to-use tool with lots of features, functionalities and a lot of room for customization according to the user's need.
- There is a simplified walkthrough available for the beginners at the initial set up of the tool.
- It provides $25 credit free in the trial account, which enough to test all the features before opting for the paid version.Cons: - The tool claim to send text within 3 minutes, but sometimes the texts exceeds this time limit.
Overall: Overall, Twilio is a feature-packed and an affordable tool helpdesk solution for any organization. The users have to pay only for the features they use and nothing more.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Sharpen your communication strategies with Twilio" Posted 2021-03-22
Pros: Twilio is an application that offers an applicable proposal to increase, manage and improve strategies at the level of communication between company-client, through intelligent and practical functions such as text messaging, phone calls and an extensive list of interactive channels that specify the recipient to generate a sense of closeness.
Cons: One of the most notable drawbacks of this application is that it does not have a mode for cell phones, which generates a certain ironic impact since it would make it much more practical in the manageability of the service through it. In addition, it has the limitation of the language, since it is only preset to English.
Overall: To give an overall assessment, it could be highlighted the important amount of strategic tools to generate rapprochement and feedback between users and the company using a constant and active interaction despite the limitations that result in detracting from the mobile devices and language.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"The trustworthy message and voice robot" Posted 2020-08-18
Pros: - Very useful especially in building for cross-platform users and solutions. There are several messaging services and networks these days. Twilio can be the backend for all those at once.
Cons: No major cons encountered. Maybe the service can be laggy at times but that is rare.
Overall: If your software uses messaging APIs to talk and deliver to thousands of customers, you definitely a robust backend to handle it. Twilio does a great job at that.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Makes it super easy to let your application send texts!" Edited 2020-07-17
Pros: I learned about Twilio at a hackathon in 2016, and I really liked how easy Twilio's REST API is to use. The documentation is great too, so even with just a few hours I was able to create a prototype app that could send SMS to users.
Cons: I struggled a bit but that was more because I was new to the concept of REST APIs at the time.
Overall: Twilio's the only text sending service I know of for automated SMS messaging within apps and thus far I'm pretty happy with it.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Intuitive SMS marketing tool" Posted 2020-07-01
Pros: Twilio is a great SMS marketing platform. It helps to drive customer engagement. It measures accurate data for campaign progress. This can also be used for sending survey go users.
Cons: Analytical data should be improved on SMS engagement.
Overall: SMS marketing is a great way to promote a business campaign. For this, I use the Twilio platform. Twilio gives me the best platform to drive customer engagement. It works also as a feedback tool to gather feedback from survey SMS.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Easy and Affordable" Posted 2020-05-05
Pros: Super easy to set up as they have an open API that can be integrated with a lot of different programs.
Cons: There aren't any cons that I can think of right now.
Overall: Overall it's great and its very well priced so that you can use it for any of the programs you have.
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