In this article, we will implement a .NET6 Web API that consumes the Azure Cosmos DB. Azure CosmosDB: Azure Cosmos DB is a fully managed NoSQL database. NoSQL says data will be stored as a key/value JSON document. Cosmos DB provides 'High Availability' and 'Low Latency' for any application. Cosmos DB is very quick in response delivering, auto-scaling, effective auto failure management, etc. Any existing application that works on different DBs can be easily migrated to Azure CosmosDB as it provides APIs for integration like 'SQL/Core API'(most recommended API, our demo uses this 'SQL/Core API'), 'MongoDB API', 'Cassandra API', 'Germlin API', 'Table API'. Let's understand the structure of the Cosmos DB: Create an Azure Cosmos Account with an appropriate subscription inside of the Azure portal. After creating the Cosmos Account, we can manage the data of our account by creating 'Database', 'Containers', an