© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
M. LathkarHigh-Performance Web Apps with FastAPIhttps://doi.org/10.1007/978-1-4842-9178-8_5

5. Response

Malhar Lathkar1  
(1)
Nanded, Maharashtra, India
 

Any web application returns an HTTP response to the client. The operation function in a FastAPI app returns a JSON response by default. In this chapter, we shall learn how we can manipulate the response to handle different requirements.

In this chapter, the following points will be discussed:

  • Response model

  • Cookies

  • Headers

  • Response status code

  • Response types

The FastAPI operation function JSONifies Python’s primary types, that is, numbers, string, list, dict, etc., as its response. It can also return an object of ...

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