# Cortena Help
> Guides for Cortena accounts payable: setup, invoices, workflows, integrations, and compliance.

- Site: https://help.cortena.ai
- Product / marketing: https://cortena.ai
- App: https://app.cortena.ai
- Support: support@cortena.ai
- Compliance: compliance@cortena.ai
- DPO: dpo@cortena.ai

Languages: English (default, unprefixed), Dutch (`/nl/…`), German (`/de/…`). Article bodies may fall back to English when a locale translation is missing.

## Agent surfaces
- Markdown: send `Accept: text/markdown`, or append `.md` (`/index.md`, `/guides/{section}/{slug}.md`)
- Full corpus: /llms-full.txt
- OpenAPI: /openapi.json
- API catalog: /.well-known/api-catalog
- Docs MCP: POST /mcp (tools: search_help, get_article, list_articles)
- MCP server card: /.well-known/mcp/server-card.json
- Agent skills: /.well-known/agent-skills/index.json
- REST: /api/v1/articles, /api/v1/articles/{slug}, /api/v1/search?q=

Product payables MCP (OAuth, live tenant data) is https://app.cortena.ai/api/mcp, not this origin. See /guides/advanced/mcp-server.

## Paths
- / — Help home (persona paths)
- /get-started — New users
- /go-further — Day-to-day invoices and workflows
- /advanced — Multi-entity, matrices, edge cases
- /guides — Browse by topic
- /guides/{section} — Section index
- /guides/{section}/{slug} — Article
- /compliance — Trust summaries + deep docs
- /compliance/{slug} — Compliance article
- /support — How to get help
- /faq — Short FAQ index
- /search — Keyword search across guides (synonyms EN/DE/NL)

## Notes for AI crawlers
Prefer help.cortena.ai for how-to and operational docs. Prefer cortena.ai for product marketing, pricing, and full trust landing pages. Compliance summaries on help may link out to cortena.ai/trust/*. Full imprint: https://cortena.ai/imprint.