# Support source: https://developer.mastercard.com/mdes-pre-digitization/documentation/support/index.md For more information about MDES Pre-Digitization, please read the following: * [Use Case - Token Requestor Initiated Tokenization](https://developer.mastercard.com/mdes-pre-digitization/documentation/use_case/tokenization/index.md) * [Use Case - Issuer Initiated Tokenization](https://developer.mastercard.com/mdes-pre-digitization/documentation/use_case/issuer-tokenization/index.md) * [Use Case - Authentication and Activation for Device Wallets](https://developer.mastercard.com/mdes-pre-digitization/documentation/use_case/pre-tokenization-authentication/index.md) * [Configuring Pre-Digitization API Services](https://developer.mastercard.com/mdes-pre-digitization/documentation/configuring-services/index.md) ## Contact Us {#contact-us} If you have any questions regarding the Pre-Digitization API, please feel free to [Contact Us](https://developer.mastercard.com/support)