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Transit documentation

Read the published handbook, starting with What is Transit?, the data model and your first dataset.

Guides and referenceโ€‹

Use Choose an interface to select a supported profile, then the interface map for its usage, contracts and technical explanations. Internals explains the system's models, mechanisms and evidence.

Where documentation livesโ€‹

SectionContents
GuidesTutorials and workflows for using and operating Transit
ReferenceConcepts, interfaces, configuration, limits and compatibility
InternalsSystem models, invariants, rationale and evidence
SDKsLanguage installation and API guides owned by sdks/<language>/
ComponentsPackage/app READMEs and component integration guides
ContractsExact wire formats, schemas, ABIs and shared fixtures
ExamplesComplete applications and public API callers
Proof ledgerExecuted checks, measurements and verification limits
RoadmapDelivery scope, dependencies, acceptance criteria and status
DesignUI/UX proposals, visual studies and review outcomes
HistoryEarlier technical accounts and qualification records
Handbook projectSite tooling, previews, navigation and publication

Update and verifyโ€‹

Follow the shared documentation instructions and the scoped Handbook, Design or Roadmap instructions for the section you change. The site guide explains documentation checks; the contributor guide covers repository work.