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Briefcase API

A document-generation API turning structured JSON into branded PDF reports and contracts.

.NETC#DockerREST APIs
product screenshot — Briefcase API

Briefcase API lets other services generate polished PDF documents from structured data.

Multiple internal services duplicated PDF-generation logic inconsistently.

A single templated document-generation service exposed as a versioned REST API.

Designed the API contract and templating engine.

.NET service rendering HTML templates to PDF, containerized and horizontally scalable.

Handling complex multi-page layouts consistently across templates.

Replaced 3 duplicated PDF pipelines with one shared service.

Learned to design APIs as internal platform products, not one-off endpoints.

Versioned REST API consumed by 4 internal services
HTML-to-PDF templating with reusable layout components
Horizontally scalable via containerized workers