Developer tutorials

Build an application step by step. Start with the fundamentals, then work through the distinct features of a larger example. Read Core concepts first if you want an orientation before starting.

Hello world Create and call your first HTTP endpoint.

Building your first app Grow a to-do application with state, queries, web endpoints and tests.

Example: home automation Build rooms, device controls, scenes, routines and sensor reactions, then connect an API and live UI.

Example: ticketing Build reservations, payments and tickets, then add admission, transfers and organizer workflows.

Already building an application? Choose a how-to guide for a specific task, or use the SDK reference to explore a capability.