# Knowledge Base

- [Deposits with Cards SDK](https://apidocs.onekeypayments.com/knowledge-base/deposits-with-cards-sdk.md): Learn how to create Deposits with our Cards SDK for a seamless checkout experience.
- [With User Interface](https://apidocs.onekeypayments.com/knowledge-base/deposits-with-cards-sdk/with-user-interface.md)
- [Without User Interface](https://apidocs.onekeypayments.com/knowledge-base/deposits-with-cards-sdk/without-user-interface.md): This article aims to explain which are the steps for Creating a Deposit with Card Token, the tools and Endpoints involved and how each one of them should be used.
- [Countries Specifications](https://apidocs.onekeypayments.com/knowledge-base/countries-specifications.md): Learn how to validate the country's specific details


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