Best Chat SDK & API Software with a Free Trial of 2025

Twilio makes sending and receiving messages to your customers easy. Find the documentation, sample code, and developer tools you need to build exactly what you want, fast. We’ll handle the complexity of mobile carriers and global regulations, so you can focus on building. Engage customers around the world with a messaging platfrom that can reach 180 countries, on infrastructure that’s optimized for reliable global delivery at scale. Easily add and integrate messaging channels without needing custom code or rebuilt architecture. Reach your customers at critical touchpoints in their user journey on the channels they prefer, such as SMS, MMS, WhatsApp, chat, Facebook Business Messenger, and Google's Business Messages, all in one platform. Build seamless conversations over preferred channels using trusted, reliable messaging solutions with Twilio MessagingX.

The premier chat API for personalized applications and websites Enhance user interaction, boost conversion rates, and improve retention with the most reliable chat solution favored by top industry professionals and developers.

Use the language you already love to prototype ideas quickly, develop production-ready communications applications, and run serverless applications on one API-powered platform. Twilio is a single fully-programmable platform with flexible APIs for any channel, built-in intelligence, and global infrastructure to support you at scale. Quickly integrate powerful APIs to start building solutions for SMS and WhatsApp messaging, voice, video, and email. 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. Consult our community of over 9 million developers for guidance and inspiration on your next project. Sign up and start building today.

MirrorFly is a custom CPaaS provider powering businesses and enterprises with real-time communication, such as instant messaging, voice calls, and video conferencing through Chat APIs and SDKs. Regardless of the use case, tech stack, and devices, MirrorFly supports brands across the world to build their own chat platform with complete customization and zero limitations. MirrorFly’s Key CPaaS Benefits: ✅ Host on Your Own Server ✅Unlimited Customization ✅ Complete Data in Your Hand ✅ 1000+ Features ✅ Custom Security (Gmail, Phone, BioMetric, etc) ✅ Upload Enlarged Files (3+ GB) ✅ Mulit-tenant Server ✅ Scale 1+ Billion Concurrent Users ✅ Free Migration & Integration ✅ Hire Your Own Dedicated Team

Digital Samba is a video conferencing solution that uses innovative features and technology to fulfil its customers' communication and collaboration needs. Clients use the platform for daily business meetings, webinars, online learning, application development, etc. The platform is the result of 19 years of experience at the forefront of the video conferencing space. This experience has helped create a feature-rich platform ready to adapt to changing technologies and workplace practices. Digital Samba's customers include world-renowned companies like McDonald's, Deloitte, Ferrari, Raiffeisen Centrobank, American Express and more. Thanks to the Digital Samba Embedded SDK, you’ll be able to integrate and control a full video conference experience inside your application by simply copy-pasting a few lines of JavaScript code.

EnableX makes it easy to integrate real-time communications into applications or workflows. It was designed and developed for Service Providers and Systems Integrators. It provides a robust, scalable, secure communications platform without the complexity and maintenance of maintaining the network infrastructure. Developers can quickly customise and embed all of the communication functions, such as voice, video, and SMS, into existing applications, workflows, and systems by simply using EnableX's extensive sets of programmable SDKs and APIs. Businesses can communicate with customers worldwide using the Virtual Number services, as well as advanced features like AI and NLP.

Connect with your customers like never before across all channels. With CPaaS and APIs for SMS, Voice, Video, and Verification, you can reach any mobile device globally in mere seconds. By effectively engaging your customers, you can significantly increase webshop orders, a fact proven by our collaboration with a leading telecommunications company that utilized a user-friendly online chatbot. Additionally, we assisted a prominent automotive firm in re-engaging potential buyers who had not responded to emails, leading to impressive results from their tailored Rich SMS campaign. Are your clients missing important appointments? Implementing engaging SMS reminders not only benefits them but also enhances your revenue streams. Trusted by developers worldwide, our solutions allow you to build with assurance and elevate your business using just a few lines of code. Strengthen your connection with customers and enhance their journey at every touchpoint, ultimately driving greater satisfaction and loyalty. Embrace this opportunity to transform your customer interactions and watch your business thrive.

Plivo Communications Platform is a Cloud API Platform as well as a Global Carrier Services Provider. It offers high-quality cloud communications at an affordable price. Plivo Communications Platform allows users to make phone and SMS calls to all countries. It also allows them to buy local numbers in 55 countries. Plivo Communications Platform offers free tech support that is available 24/7. Experts are happy to help customers with any issues.

One Platform for Realtime Communication: A platform to build and operate real-time interactivity for web, mobile, AI/ML, IoT, and Edge computing applications Faster & Easier Deployments: SDK support for 50+ mobile, web, server, and IoT environments (PubNub & community supported) and more than 65 pre-built integrations with external and third-party APIs to give you the features you need regardless of programming language or tech stack. Scalability: The industry’s most scalable platform capable of supporting millions of concurrent users for rapid growth with low latency, high uptime, and without financial penalties.

CometChat is a live chat platform that allows users to collaborate and connect with customers. Developed with API and Chat SDK, CometChat can be deployed on-premise and cloud. The solution enables users to video, text and voice chat with the customers, share pictures via broadcast videos, play games and use whiteboards. Primary features of CometChat include WebRTC, file sharing, screen sharing, real-time language translation, customization for layouts, languages and colors, typing indicators, last-seen notifications, read receipts, emojis and stickers. The platform also allows users to switch from text chatting to a video chatting interface. Additional services of CometChat include broadcast messages, guest login support, earlier messages, blocking or unblocking users, video broadcasting and voice notes. Pricing of the product is based on monthly active users and support is extended via email and phone.

ApiRTC serves as a developer-friendly library designed to seamlessly embed real-time communications, such as chat, audio, and video, into both web and mobile applications. Utilizing WebRTC technology, it ensures that media streams are encrypted and ideally transmitted through peer-to-peer connections; however, if necessary, a media relay via a TURN server can be employed. Acting as the central hub of our platform, ApiRTC handles the establishment of all user connections, presence tracking, and media setup. The library is offered in various formats to cater to different integration needs, whether for web applications, hybrid apps using JavaScript, or native applications developed for iOS and Android platforms. Furthermore, Apizee's solutions for audio and video communication are built on the WebRTC standard, which is increasingly supported by a wide range of internet browsers. This growing compatibility not only enhances the functionality of our solutions but also ensures that users can access audio and video streaming across most PCs, tablets, and smartphones, thereby significantly broadening the reach of our communications tools. Additionally, developers can leverage the flexibility of ApiRTC for a variety of use cases, making it an invaluable asset for modern application development.

Headquartered in Silicon Valley, Gupshup is a leading conversational messaging platform that enables businesses to build engaging conversational experiences seamlessly across 30+ messaging channels using a single API. Gupshup offers an easy-to-use omnichannel messaging API, advanced bot-building platform and mobile marketing tools. Gupshup's messaging platform handles over 6 billion messages per month enabling over 39,600 businesses send messages to several billion users across popular messaging channels such as SMS, Voice, WhatsApp, Mobile Web, Android RCS, Instagram, Twitter, Telegram, WeChat, FB Messenger, Slack, Viber, Skype and many more. Our Single API solution for 30+ messaging channels has enabled businesses to easily integrate 1-way and 2-way messaging on WhatsApp with fall back to SMS connectivity in over 225 countries with multi-channel auto routing option. Additionally, Gupshup Bot platform supports over 36,000 bots and can easily handle WhatsApp FAQ Bots with live agent handoff for various customer support use cases

A Live Video Commerce enabler, Channelize.io enables E-Commerce Brands to offer live shopping experiences on their websites and mobile apps. Our Platform can be easily integrated within existing websites and apps with Pre-built integrations for Shopify, WooCommerce, Magento, PrestaShop, Wix, and more, and via our API, SDKs, and UI Kits. Channelize.io Livestream Shopping Platform gives brands the opportunity to leverage the power of Live Selling and Real-time Buyer Engagement to Boost Sales and Enhance their Brand Perception by connecting better with their Buyers and Showcasing their products. This ultimately leads to Informed, Trusted, and Accelerated Purchases by buyers. Our Platform includes three components: Buyer Interfaces: For Buyers to Engage & Shop from in Real-time Production Dashboard: For Brand Admins to Create & Manage Shopping Shows Host Apps + RTMP Support: Enables Hosts / Influencers / KOLs / Brand Employees / Anyone you choose as Host for each show to go live and run that Live Shopping Show effectively. Please Book a Demo with us to see our Platform in action.

You don't have to spend months creating in-app messaging feeds and messaging. Instead, you can implement them in as little as a matter of weeks using Stream's activity feeds or in-app chat APIs. Stream's flexible UI kits, reliable APIs, and developer-friendly SDKs allow product teams to quickly integrate polished communication functionality found on social media platforms like Instagram, Facebook Messenger, or WhatsApp. Stream's APIs have an industry-leading 99.999% uptime guarantee, more than a billion users, and 5,000,000 concurrent connections. This makes them highly scalable and ideal for both enterprise-grade businesses as well as growing startups. Easy-to-use software components make it easier to ship fully-featured activity feeds, in-app chat functionality, and other features faster. This gives your product an edge.

Integrate a chat feature into your application effortlessly by utilizing just a few lines of code from our extensive library of SDKs designed for both web and mobile platforms. With a single line of code, you can establish a secure connection to our services, allowing you to create UI components tailored to your specific needs. We've handled the complex aspects of development so that you can focus on bringing your vision to life. Robin’s Chat SDKs are not only ready to use but are also secure and scalable to accommodate your growing user base. Our platform is engineered with scalability in mind, ensuring that you can craft the chat experience you’ve always envisioned. Provide an engaging chat interface that will delight your customers, backed by robust security measures, including 256-bit AES encryption at rest and TLS 1.2 for data in transit. With Robin Chat, you receive a comprehensive toolkit that includes every necessary page, component, and interaction. This means you can integrate Robin into any application quickly and efficiently. The process is straightforward—build a dependable and functional chat experience in your mobile or web app today, and effortlessly incorporate direct messaging capabilities into your product. Embrace the opportunity to elevate your user engagement through seamless communication.

Swift and dependable chat functionalities are implemented rapidly, boosting user interaction and connectivity. Sceyt’s innovative binary messaging protocol acts as a fast track for your communications. By integrating Protobuf and Websockets technology, it achieves remarkably low latency. This ensures conversations progress seamlessly and replies are almost instantaneous. Whether your goal is to provide financial guidance, link users with healthcare experts, or facilitate customer service in ecommerce, Sceyt is adaptable enough to support all your application chat requirements. It also furnishes you with a control center to oversee your chat capabilities. The user-friendly dashboard enables you to delegate various permissions to team members efficiently. Comprehensive statistics offer an overview of user engagement, while an array of moderation tools guarantees that your application maintains a secure environment for its users. Ultimately, Sceyt not only enhances communication but also fosters a more connected user experience.

With over 700 direct carrier connections and 60+ offices on 6 continents, Infobip is a global leader in omnichannel communication. We make it our business to simplify how brands connect with, engage and delight their customers at global scale. Our programmable communications platform delivers a suite of tools for advanced customer engagement and support, plus security and authentication. We make this available to you across the widest range of communication channels possible. THE INFOBIP ADVANTAGE (1) Personalized omnichannel customer connections Achieve deeper customer engagement across the widest selection of local and global channels, including: SMS, RCS, WhatsApp, voice, video, email and the most popular chat apps. (2) Global reach, local presence Our 60+ offices around the world allow us to react faster. We provide 24/7 customer support, technical solutions in-line with needs and local requirements — based on proven best practices. (3) Full stack customer engagement Deliver better outcomes for your business by enhancing your communications with fully integrated contact center, marketing automation, and chatbot building solutions informed by our customer data platform.

TalkJS is a fully-featured chat API that you can add to any website or mobile app. It has a fully-featured chat UI that works with any language or framework. In just a few hours, you can have a chat solution ready and running. Javascript SDK Integrate two-way chat seamlessly with talk.js, our instant messaging infrastructure and our amazing UI. Fully featured All you need in a messaging app. Reliable and scalable. Real-time, cross-platform synchronization. Ship faster Turn any<div>You can turn it into a fully-fledged messaging application. In 10 minutes, you can be up and running. Works with your framework/programming language Your TalkJS code will be located in the frontend. This means it will seamlessly integrate with any language or framework. This includes React and jQuery, Angular and VueJS. PHP, Ruby on Rails. Python, Django, ASP.NET MVC..NET Java, NodeJS, etc.</div>

Mesibo serves as a robust real-time communication platform that enables the seamless integration of messaging, group chats, voice calls, and video conferencing into both mobile and web applications. When developing the Mesibo APIs, our primary focus was on ensuring reliability, performance, and scalability, as we recognized that overly complex APIs can lead to unnecessary complications and increased error rates in applications. Rather than following the trend of convoluted API designs, we have prioritized simplicity while maintaining powerful capabilities. In this section, we will delve into the intricacies of Mesibo's real-time APIs. It is advisable to check out the source code of one of the sample applications available on GitHub to gain insights into how these APIs are effectively utilized. This approach will facilitate your ability to write cross-platform code seamlessly. In the subsequent sections, we will outline the APIs along with their respective names and parameters, providing you with a comprehensive understanding of their functionality. Additionally, this will empower you to implement the APIs more effectively in your projects.

Provide prompt and tailored communication through international SMS/RCS and voice cloud services. Enhance your customer insights with actionable intelligence derived from global phone numbers and subscriber data. Utilize TeleSign’s Messaging API to code once and effectively reach your audience at scale, leveraging seamless delivery across various channels. The TeleSign Messaging API supports SMS, RCS, and WhatsApp, empowering you to create secure digital interactions that engage customers globally. By integrating a unified Messaging API, you can begin dispatching dependable and secure messages via SMS, RCS, and WhatsApp to your clientele today. Opt for one, two, or all three channels to diversify your programmable messaging approach and broaden your reach. With over 120 optimized points-of-presence and more than 700 direct-to-carrier routes, connect with an even larger customer base effortlessly. This expanded network ensures your messages are delivered efficiently and effectively.

Sunshine Conversations serves as a messaging platform designed for business communication, enabling users to consolidate messages from various channels into a cohesive conversation while also facilitating the creation of interactive messaging experiences across multiple platforms. The landscape of communication has undergone a significant transformation, with messaging applications such as Facebook Messenger, WhatsApp, and WeChat amassing over 5 billion accounts globally, allowing individuals to connect more intimately with loved ones regardless of geographical barriers. Businesses recognize the necessity of engaging with their customers through the channels they prefer. However, the increasing variety of communication platforms and the rapid pace of technological advancements have made it increasingly challenging to oversee interactions across these diverse channels. As bots, artificial intelligence, and interactive features gain prominence in messaging, these platforms are swiftly transitioning from simple communication tools to essential business environments. This evolution highlights the critical need for businesses to adapt and evolve their communication strategies in order to thrive in a rapidly changing digital landscape.

You want the best voice quality, messaging, and other features. You need an API provider that has its own network across the country to get them. You can eliminate the middleman, cut costs, gain more control, and create the application your customers want. This is not a new concept. However, you need a partner to help reach the scale you are capable of. Bandwidth can help you reach your full potential, whether you are bringing your own carrier to market or creating your own solution.

The industry's only serverless platform for voice and video and messaging APIs. Trusted by thousands of developers all over the globe to scale real-time communications for any business.

MinChat is a chat SDK which allows developers to integrate in-app messaging functionality into their app and website within minutes. This saves you months of development time. It comes with a chat UI creator and chat SDK documentation. It is scalable and can support concurrency. The platform provides personalized support and allows users the ability to customize the chat UI without having to write code. MinChat is a tool that can be used to create many in-app chat experiences. It was designed to make it simple for developers to quickly build in-app messaging features.