Microservices Architecture is a modern software design approach that structures applications as a collection of small, independently deployable, and loosely coupled services. Unlike traditional monolithic applications, where all functionality is tightly integrated, microservices break down complex systems into discrete, self-contained services that can be developed, deployed, and scaled independently. Each microservice focuses on a specific business capability and communicates with others through well-defined APIs. This architecture promotes flexibility, scalability, and faster development cycles, as teams can work on individual microservices concurrently. Additionally, microservices enable technology diversity, allowing different services to be built using various programming languages, frameworks, and technologies. While offering benefits in terms of agility and scalability, microservices also introduce challenges related to service communication, data consistency, and management complexity. As organizations seek to build adaptable and resilient systems, microservices architecture continues to be a pivotal approach in modern software development.