Tutorials

See how a four-person team built an AI companion app on Stream Chat, Video, and Activity Feeds, with an 11x signup lift since launch.

The design process behind one-shot generating VinylStream, a live shopping app for buying and selling vinyl - and why a good design document, not the fanciest model, is what makes AI app generation actually work.

Build on-device suggested replies in a SwiftUI chat app with Apple's Foundation Models and Stream Chat. Generation runs entirely on the device: no token cost, no network round-trip.

Build a Python voice agent with Vision Agents that places an outbound call to a cardholder, reads back a suspicious transaction, and either clears it or freezes the card - using Deepgram, an LLM, Cartesia, and Twilio.

When PubNub overages and missing messages hit a 2,500-person workforce, MyOutDesk moved to Stream Chat in under two weeks and cut its chat code in half. Here is what happened.

Stream Chat authentication works by having your backend sign short-lived JWTs with your API secret. This guide covers the four credentials in play, how to wire token refresh with a tokenProvider, and why your API secret must never leave the server.

Xcode 26.3 ships with a built-in coding agent backed by Claude. Pair it with Stream's Agent Skills and you can build a working SwiftUI chat app from a single goal-level prompt - channel list, message thread, and composer - then iterate without leaving the IDE. This is a build log of exactly that, including the WebSocket race condition the agent diagnosed by reading the SDK source.

A step-by-step guide to building a real-time background removal tool with SAM 2, YOLO, and Vision Agents. Runs on a CPU, no GPU required.