Best Chat SDK & API Apps for iPhone

Sendbird’s Chat API enables developers to create comprehensive messaging systems with features like private and group chats, media sharing, and real-time updates across mobile and web platforms. The API supports advanced functionalities such as message translation, message search, user moderation, and spam protection, allowing businesses to build secure and engaging messaging experiences. With Sendbird’s developer tools, including SDKs and UI kits, developers can seamlessly integrate these features into their apps, saving time and effort in handling operational complexities. The platform is designed to scale effortlessly, meeting the needs of businesses from small startups to global enterprises.

Founded in 2003, Digital Samba is a privacy-first video conferencing provider operating from within the European Union — home to the world's strongest data protection laws — and serving a global audience. Our solutions are designed with zero tracking, robust security, and long-term reliability at their core. We offer both a free, ready-to-use platform for meetings, education, webinars, training, and events, as well as Digital Samba Embedded, an API and SDK that enables organisations to integrate fully customisable, branded video conferencing directly into their own applications. Digital Samba combines minimalist design with powerful features, including HD video and audio, screen sharing, breakout rooms, interactive whiteboards, AI captions and summaries, polling, Q&A, and secure cloud recordings. For developers and enterprises, advanced options such as full white labelling, CNAME support, API control, and webhooks make deep integration seamless.

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.

The complete in-app collaboration API and SDK. Add contextual activity feeds, chat, and document collaboration directly into your apps to increase user engagement, improve in-app retention, and reduce customer churn. All Weavy features include integrations to the third party tools your users are already familiar with: add capabilities for Zoom and Teams video conferencing, Google Drive, Dropbox, or Box file sharing, document sync and versioning contextually inside your app. Weavy allows app developers to quickly add the features that users need to be productive and interactive, directly within the app environment. With our SDK and APIs, you can deploy chat, feeds, and document sync in a matter of days, not months, and at a fraction the cost to build in-house. Focus on your core product while simultaneously adding functionality that makes your user experience not only better, but increases user engagement and dependency on your app.

Innovate with Realtime Features: We take care of realtime communication infrastructure so you can focus on your app. Our 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 and community supported) and more than 65 pre-built integrations with external and third-party APIs to give developers the features they need regardless of programming language or tech stack. Scalability: The industry’s most scalable platform capable of supporting millions of concurrent users and allows for rapid growth with low latency, high uptime, and without financial penalties. Security & Compliance: Enterprise-grade security and compliance with the most stringent regulations worldwide, including GDPR, SOC 2, HIPAA, ISO 27001, and CCPA.

Ably is the definitive realtime experience platform. We power more WebSocket connections than any other pub/sub platform, serving over a billion devices monthly. Businesses like HubSpot, NASCAR and Webflow trust us to power their critical applications - reliably, securely and at serious scale. Ably’s products place composable realtime in the hands of developers. Simple APIs and SDKs for every tech stack, enable the creation of a host of live experiences - including chat, collaboration, notifications, broadcast and fan engagement. All powered by our scalable infrastructure.

Twilio's Messaging API is a powerful tool that enables businesses to integrate messaging capabilities into their applications seamlessly. It offers a stable RESTful API that allows developers to send and receive SMS, MMS, and WhatsApp messages globally. With Twilio's Messaging API, businesses can automate and scale their communications, ensuring messages are delivered over the preferred channels of their customers. The API supports a variety of sender types, including long codes, short codes, toll-free numbers, and alphanumeric sender IDs, providing flexibility in how messages are sent. Additionally, Twilio's Messaging Services feature allows companies to group global senders and enable intelligent sending, automating sender selection, and handling compliance regulations. The API also supports inbound webhooks, allowing businesses to handle responses programmatically and engage in two-way conversations with their customers.

Dyte's Video SDK and APIs are SOC 2, GDPR and HIPAA complaint. That lets you embed scalable, customisable and interactive video calls within minutes into your Web, Desktop or mobile apps. Collaborate efficiently with HD video, chat, screen sharing, whiteboard, emoji reactions, file sharing and everything a user packaged within one SDK. Dyte's Video Conferencing SDK & APIs are comfortable with React JS, Angular, JavascriptMobile: Flutter, Kotlin, Swift, React Native, Android, iOSDesktop, Electron. With an uptime of 99.99%, industry-leading documentation and out of the box plugins, customize the video experience for your ed-tech, tele-health, fitness, HR-tech, social or gaming platform. Use Dyte's SDKs to build fully custom video experiences powered by a robust infrastructure. With our out-of-the-box chat, plug-ins, recording, and several useful features, Dyte is an all-in-one SDK to help you take video collaboration to the next level. Dyte offers 10K free credits each month

Channelize.io is an end-to-end Live Video Commerce enabler that enables E-Commerce Brands globally to add Live Shopping Experiences within 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 Live 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 in manners that lead to Informed, Trusted, and Accelerated Purchases by buyers. Our Platform has shown great results for our customer Brands by increasing Sales by 36%, Boosting Engagement by 5X, and reducing Cart Abandonment by 50%. Please Book a Demo with us to see our Platform in action.

Engage your audience and get more done. The Whispir platform lets you automate, personalize and layer your communications with smart workflows. The only cloud communications platform you need to deliver extraordinary experiences. Create quality templates for email, web, social and more in minutes with our drag and drop template builder and over 60 individual components from images to maps. Streamline your communications and automate interactions, from everyday processes to complete marketing campaigns. Integrate with all your current data points from CRMs to 3rd party tools and put your data to work. Deliver your content to the right people at the right time. Create real, tangible outcomes that engage your audience, coordinate events and innovate your business processes.