If you need an API for building a customizable and scalable in-app chat experience with global EDGE network support, Stream is a great option. It provides a full Chat Messaging API with offline support and global EDGE network support, along with moderation tools. Stream's platform supports activity feeds, video and audio chat, and includes a variety of SDKs and UI kits for easy integration. Pricing is free for up to 100 MAU, with customizable enterprise plans for larger scale and larger budgets.
Another powerful option is Sendbird, which lets developers create messaging experiences across multiple communication channels, including chat, AI chatbots, SMS and more. Sendbird supports multiple types of conversations and has highly abstracted APIs and SDKs. The platform is built for security and compliance, with features like group chat, targeted messaging and message translation. Pricing includes a free developer plan and custom enterprise deals, so it can be used for a broad range of applications.
For a feature-rich chat API, TalkJS offers a full-featured solution for adding chat to products. It supports 1-on-1 and group chats, AI chatbots and other use cases. TalkJS comes with a pre-built UI, customizable design and moderation tools, and supports multiple platforms for web and native mobile apps. Pricing is based on Monthly Active Users, with plans starting at $279 per month for up to 10,000 MAU, and real-time message translation is an add-on.
Last, ZEGOCLOUD is a flexible platform with APIs and SDKs for real-time voice, video and chat features. It's geared for a range of industries and includes features like video conferencing, live streaming and offline messaging. ZEGOCLOUD is designed for high availability and scalability, with support for multiple programming languages and frameworks. It's on a pay-as-you-go pricing model and has a wealth of resources for developers to build engaging experiences.