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Hiring FastAPI Agencies: Complete Guide & Overview

FastAPI is a modern Python framework for building APIs using Python type hints. It provides request validation, automatic OpenAPI documentation, dependency injection, asynchronous request handling, and strong editor support. FastAPI is commonly used for backend APIs, microservices, data services, and applications that integrate machine learning or data-processing workloads. Its type-driven approach helps teams define clear request and response contracts while keeping development relatively concise.

For projects using FastAPI, teams should consider the application's requirements, expected scale, integration points, deployment environment, testing approach, and long-term maintenance. Choosing the technology should also take into account the existing skills of the development team and the libraries or services already used by the product.