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

# Microservices

- [HTML to PDF](https://documentation.renda.io/microservices/generate-pdf.md): Renda offers a host of transformation functions to support a variety of enterprise document output needs.
- [PDF Transformation](https://documentation.renda.io/microservices/pdf-converter.md)
- [Time based Authentication](https://documentation.renda.io/microservices/time-based-authentication.md): TOTP Generation and validation APIs
- [Communication](https://documentation.renda.io/microservices/communication.md): The communication API enables text message delivery. Authentication systems can be quickly build using a combination of TOTP API and Communication API to authenticate and onboard users
- [QR Code Generation](https://documentation.renda.io/microservices/qr-code-generation.md)