# Vox > A data system for commerce and retail ## Docs - [API overview](https://vox.commercemind.se/api/overview.md): How the Vox API is structured: authentication and conventions. - [Changelog](https://vox.commercemind.se/changelog.md): Changes in each Vox release, and how to upgrade. - [Calculations](https://vox.commercemind.se/concepts/calculations.md): Business logic as calculations that Vox keeps up to date. - [Languages, markets and channels](https://vox.commercemind.se/concepts/contexts.md): Values that vary by context, and entities that belong to contexts. - [Entities and relations](https://vox.commercemind.se/concepts/entities-and-relations.md): Entity types, fields and relations, and what Vox gives every entity type. - [Events and subscriptions](https://vox.commercemind.se/concepts/events.md): How other systems learn what changed. - [History and audit](https://vox.commercemind.se/concepts/history-and-audit.md): Who changed what and when, version by version. - [Owned and mirrored data](https://vox.commercemind.se/concepts/owned-and-mirrored-data.md): Data that Vox owns, data it mirrors from other systems, and both in one entity. - [Users, roles and permissions](https://vox.commercemind.se/concepts/users-and-permissions.md): Users, roles and field-level permissions. - [Run the demo](https://vox.commercemind.se/getting-started/demo.md): Run the Vox demo shop and open the admin UI. - [Your first entity type](https://vox.commercemind.se/getting-started/first-entity.md): Describe an entity type and get storage, an API and an admin UI for it. - [Add Vox to your application](https://vox.commercemind.se/getting-started/installation.md): Install the packages and register Vox in a .NET application. - [Build a UI with AI on top of Vox](https://vox.commercemind.se/guides/build-ui-with-ai.md): Let an AI tool build the UI while Vox provides the data layer. - [Add a business rule as a calculation](https://vox.commercemind.se/guides/business-rules.md): Move a rule out of a CMS or PIM and into a Vox calculation. - [Import data from another system](https://vox.commercemind.se/guides/import-data.md): Mirror data from a PIM, ERP or other source system into Vox. - [Prototype without code](https://vox.commercemind.se/guides/prototype-without-code.md): Add entity types and fields while the system runs, then move the model to code. - [Introduction](https://vox.commercemind.se/index.md): Vox is a data system for commerce and retail. - [Configuration](https://vox.commercemind.se/operations/configuration.md): All configuration options. - [Hosting](https://vox.commercemind.se/operations/hosting.md): Running Vox as part of your own .NET application. - [Storage and infrastructure](https://vox.commercemind.se/operations/storage.md): Databases, Elasticsearch, Redis and RabbitMQ. - [Who Vox is for](https://vox.commercemind.se/who-its-for.md): Who Vox is built for, and what it deliberately isn't. - [Why Vox exists](https://vox.commercemind.se/why-vox.md): The problems Vox is meant to solve, and where it's going.