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[ ![logo](../../img/icon-white.svg) ](../.. "FastAPI")

FastAPI

Bigger Applications - Multiple Files

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[ tiangolo/fastapi  ](https://github.com/tiangolo/fastapi "Go to repository")

  * [ FastAPI ](../..)
  * [ Features ](../../features/)
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[ ![logo](../../img/icon-white.svg) ](../.. "FastAPI") FastAPI

[ tiangolo/fastapi  ](https://github.com/tiangolo/fastapi "Go to repository")

  * [ FastAPI  ](../..)
  * [ Features  ](../../features/)
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Learn

    * [ Python Types Intro  ](../../python-types/)
    * [ Concurrency and async / await  ](../../async/)
    * [ Tutorial - User Guide  ](../)

Tutorial - User Guide

      * [ First Steps  ](../first-steps/)
      * [ Path Parameters  ](../path-params/)
      * [ Query Parameters  ](../query-params/)
      * [ Request Body  ](../body/)
      * [ Query Parameters and String Validations  ](../query-params-str-validations/)
      * [ Path Parameters and Numeric Validations  ](../path-params-numeric-validations/)
      * [ Body - Multiple Parameters  ](../body-multiple-params/)
      * [ Body - Fields  ](../body-fields/)
      * [ Body - Nested Models  ](../b