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SDK Docs ​

SDK docs are primarily module references for people building apps, extensions, widgets, worlds, workflows, and independent applications with Space.

Who This Is For ​

Use these docs when you want to build on Space rather than only run the built-in experience. Start with the module reference when you need to know which reusable ecosystem modules exist, how to import them, what APIs they expose, and which errors or platform constraints to expect.

The SDK also keeps builder-facing contracts for apps, hosts, capabilities, runtime facets, extensions, commands, packages, widgets, worlds, workflows, and standalone applications that run with Space.

When an SDK topic depends on project internals, this section links deeper to Developer Docs instead of duplicating maintainer workflows here.

Start Here ​

  • Module Reference — look up Space ecosystem modules, canonical imports, APIs, examples, aliases, and platform notes.
  • Getting Started — choose an entry point and run an existing Space app example.
  • SDK Concepts — learn the builder-facing vocabulary used throughout these docs.
  • Tutorials — follow learning paths for building with Space.
  • Guides — solve specific builder tasks.
  • App/Host Reference — look up app module, host capability, runtime facet, command, scene, packaging, and graph extension contracts.
  • Examples — find copyable starting points from existing examples.
  • Developer Docs — inspect internals, rationale, and maintenance workflows when SDK docs link deeper.

Stability Note ​

Space's formal SDK stability and versioning policy has not been defined yet. These pages describe current builder-facing contracts without promising long-term public API stability.