> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dataharbor.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> DataHarbor enables safe data reuse by publishing governed, purpose-limited data products from a single source of truth.

# Welcome to DataHarbor

**Build for the frontier. Your data — Governed at the speed of tomorrow.**

DataHarbor lets you publish **governed, purpose-limited data products** from a single source of truth, without duplicating data or rewriting APIs.

The docs follow the practical path most teams take: connect a source, define the Virtual API, govern the data, then choose how to deliver the result.

## The problem

Data was never meant to be reused this much. What used to be a single internal API is now expected to support external partners, analytics vendors, internal teams, and AI agents.

The result:

* Engineering clones APIs endlessly
* Privacy and compliance risk increases with every fork
* Legal blocks deals
* AI makes exposure harder to reason about

## The DataHarbor approach

**One dataset. Many governed uses.**

Instead of copying or locking data away, DataHarbor sits in front of your existing data source and lets you create **Virtual APIs** — governed views of the same underlying data.

Each Virtual API:

* Is purpose-specific
* Enforces privacy and compliance rules declaratively
* Can be versioned, audited, expired, or revoked
* Can be safely consumed by humans *or machines*

You reuse the data — not the risk.

## Next steps

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="./quickstart">
    Get up and running in 5 minutes
  </Card>

  <Card title="Concepts" icon="book" href="./concepts">
    Understand the core concepts
  </Card>

  <Card title="Connect Sources" icon="arrow-down-up" href="./sources">
    Understand how upstream data enters and normalizes inside DataHarbor
  </Card>

  <Card title="Build Virtual APIs" icon="layer-group" href="./core">
    Define governed views, object matching, and the request pipeline
  </Card>

  <Card title="Govern Data" icon="shield" href="./control-blocks">
    Explore privacy controls, transforms, and field targeting
  </Card>

  <Card title="Deliver Data" icon="file-lines" href="./delivery">
    Format governed data for REST, MCP, and agents
  </Card>

  <Card title="API Reference" icon="code" href="./api-reference">
    Look up YAML keys and control block options
  </Card>
</CardGroup>