About Azure Cosmos DB

• Unparalleled performance at any scale with instant and limitless elasticity, fast reads, and multi-region writes anywhere in the world
• Fast, flexible app development with free dev/test options, multiple SDKs, and support for open-source PostgreSQL, MongoDB, and Apache Cassandra
• Ready for mission-critical applications with 99.999 percent availability, continuous backup, and enterprise-grade security
• Pay for only what you use with a cost-effective, responsive, and fully managed serverless database that scales elastically with your app

Find the model that best fits your workload, with free options for testing and development. Enjoy virtually unlimited throughput and storage, scale-out architectures for automatic elasticity, traditional scale-up of nodes, and consumption-based serverless options.