> For the complete documentation index, see [llms.txt](https://apidocs.onekeypayments.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.onekeypayments.com/api-reference/resources.md).

# Resources

- [Countries specifications](https://apidocs.onekeypayments.com/api-reference/resources/countries-specifications.md): Learn how to validate the country's specific details
- [Deposits Java SDK](https://apidocs.onekeypayments.com/api-reference/resources/deposits-java-sdk.md)
- [Deposits PHP SDK](https://apidocs.onekeypayments.com/api-reference/resources/deposits-php-sdk.md)