> For the complete documentation index, see [llms.txt](https://developers.portos.sk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.portos.sk/api-reference.md).

# API reference

- [API keys](https://developers.portos.sk/api-reference/api-keys.md): This page provides a description of the available API routes for managing API keys.
- [Article categories](https://developers.portos.sk/api-reference/article-categories.md): This page provides a description of the available API routes for managing article category.
- [Companies](https://developers.portos.sk/api-reference/companies.md): This page provides a description of the available API routes for managing companies.
- [Currencies](https://developers.portos.sk/api-reference/currencies.md): This page provides a description of the available API routes for managing currencies.
- [Customers](https://developers.portos.sk/api-reference/customers.md): This page provides a description of the available API routes for managing customers.
- [Daily sales reports](https://developers.portos.sk/api-reference/daily-sales-reports.md): This page provides a description of the available API routes for managing daily sales reports.
- [Devices](https://developers.portos.sk/api-reference/devices.md): This page provides a description of the available API routes for managing devices.
- [Fiscals](https://developers.portos.sk/api-reference/fiscals.md): This page provides a description of the available API routes for managing fiscal devices.
- [Health check](https://developers.portos.sk/api-reference/api-health-check.md): This article describes the health check functionality of the PORTOS API.
- [License](https://developers.portos.sk/api-reference/license.md)
- [Modifiers](https://developers.portos.sk/api-reference/modifiers.md): This page provides a description of the available API routes for managing modifiers.
- [Order endpoints](https://developers.portos.sk/api-reference/order-endpoints.md): This page provides a description of the available API routes for managing order endpoint devices.
- [Orders](https://developers.portos.sk/api-reference/orders.md): This page provides a description of the available API routes for managing orders.
- [Payment types](https://developers.portos.sk/api-reference/payment-types.md): This page provides a description of the available API routes for managing payment types.
- [Plus](https://developers.portos.sk/api-reference/plus.md): This page provides a description of the available API routes for managing products.
- [Roles](https://developers.portos.sk/api-reference/roles.md): This page provides a description of the available API routes for managing roles.
- [Sessions](https://developers.portos.sk/api-reference/sessions.md): This page provides a description of the available API routes for managing sessions.
- [Settings](https://developers.portos.sk/api-reference/settings.md): This page provides a description of the available API routes for managing settings.
- [Stock takings](https://developers.portos.sk/api-reference/stock-takings.md): This page provides a description of the available API routes for managing stock takings.
- [Stock transfer numbering](https://developers.portos.sk/api-reference/stock-transfer-numbering.md): This page provides a description of the available API routes for managing stock transfer numberings.
- [Stock transfers](https://developers.portos.sk/api-reference/stock-transfers.md): This page provides a description of the available API routes for managing stock transfers.
- [Stocks](https://developers.portos.sk/api-reference/stocks.md): This page provides a description of the available API routes for managing stocks.
- [Tickets](https://developers.portos.sk/api-reference/tickets.md): This page provides a description of the available API routes for managing tickets.
- [Ticket Model States](https://developers.portos.sk/api-reference/tickets/ticket-model-states.md): Understanding the Various Phases of Tickets
- [Ticket Operations and User Rights](https://developers.portos.sk/api-reference/tickets/ticket-operations-and-user-rights.md): Navigating Access for Ticket Actions
- [Ticket Model Mathematics](https://developers.portos.sk/api-reference/tickets/ticket-model-mathematics.md): Exploring calculations and logic within Tickets and Ticket Items
- [Users](https://developers.portos.sk/api-reference/users.md): This page provides a description of the available API routes for managing users.
- [Vats](https://developers.portos.sk/api-reference/vats.md): This page provides a description of the available API routes for managing VAT rates.
- [Zones](https://developers.portos.sk/api-reference/zones.md): This page provides a description of the available API routes for managing zones.