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

# Developers

- [Integrations](https://vendex.gitbook.io/vendex-invoice/developers/integrations.md)
- [Open API](https://vendex.gitbook.io/vendex-invoice/developers/openapi.md)