# Guides

Browse by topic. Each section lists short guides in order.

- [Get started](https://help.cortena.ai/guides/get-started): Set up Cortena, understand agents, connect your books.
- [Work with invoices](https://help.cortena.ai/guides/invoices): Day-to-day capture, coding, matching, and Pulse.
- [Workflows](https://help.cortena.ai/guides/workflows): Approvals, matrices, delegation, multi-entity.
- [Integrations](https://help.cortena.ai/guides/integrations): DATEV, Exact, Twinfield, Agicap, banks, and more.
- [Advanced capabilities](https://help.cortena.ai/guides/advanced): E-invoices, receivables, HR, MCP, and edge cases.
- [Support](https://help.cortena.ai/guides/support): How to get help, troubleshooting, FAQ, roadmap.