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 Demo · sample data

One API migration, designed, built and verified

A real ArchDocs design doc and architecture diagram, read-only and open without signup. The company, people and pull requests are fictional.

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 Design doc

A real, read-only design doc. The example is fictional and nothing you do here is saved.

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 Architecture diagram

The architecture diagram linked to DD-0031, as an ArchDocs canvas. Drag to pan, scroll or pinch to zoom. Fictional example.

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Accounts API
The API being changed: GET /accounts/{id} gains customer, keeps customer_name for now.
Planned consumers
The ten services in the plan. Billing and Orders have recorded migrations.
invoice-worker (dashed)
Not in the plan. Claude Code found it in session one and logged it as E-7.

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Free includes architecture docs, MCP access and ten design docs.