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

# Miscellaneous&#x20;

- [App Store In-app Purchase API key](https://docs.surgegrowth.io/miscellaneous/app-store-in-app-purchase-api-key.md): To generate App Store In-app Purchase API key, follow these steps:
- [Google Play Store credentials](https://docs.surgegrowth.io/miscellaneous/google-play-store-credentials.md)
