Question: Can you suggest a solution that provides a chat API with support for various message types for my social networking app?

If you're looking for a full-fledged chat API that supports different types of messages for your social networking app, Sendbird is a great option. It's a powerful communication platform that supports chat, AI chatbots, SMS, WhatsApp, voice, and video. It can handle one-way messages, two-way conversations, and self-sufficient conversations with its abstracted APIs, SDKs, and UI kits. The platform also includes features like group chat, AI-powered conversations, and message translation.

Another option is Tencent RTC, which offers a real-time communication platform that includes a chat API that supports different types of messages. It supports multiple platforms including iOS, Android, Windows, macOS, web, and more, so you have a lot of options. Tencent RTC is designed for high availability and stability, so it's good for social messaging, online education and other uses.

For a full-featured chat API and SDK, TalkJS is also an option. It's got powerful chat abilities that includes 1-on-1 chat, group chat, AI chatbots, in-app comments, and livestream chat. The platform comes with a pre-built UI, out-of-the-box notifications and customizable design options. It supports multi-platform development and offers real-time message translation and uptime SLAs as add-ons.

Last, Stream is another option for building social networks and chat apps. It's got a Chat Messaging API with offline support and advanced moderation tools. Stream also offers an Activity Feeds API for real-time updates and a Video & Audio API with strong security. With pricing plans that accommodate different levels of usage, it's a good option for building social networking apps that scale and are reliable.