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.NET SDK for Azure Cosmos DB for the core SQL API
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Microsoft Azure Cosmos DB .NET SDK Version 3.0

This project provides a client tools or utilities in .NET that makes it easy to interact with Azure Cosmos DB. Azure cosmos DB is published with nuget name Microsoft.Azure.Cosmos.

SDK Public Preview announcement

The .NET SDK 3.0 is currently in Public Preview.  

SDK release notes



Our Samples folder is a good starting point.

Diagnose and troubleshooting issues


This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact with any additional questions or comments.

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