Discussions

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  Docs: No guidance on Pandas DataFrame serialization — numpy types cause JSON errors

  anix-lynch asked Mar 10, 2026 in Questions · Unanswered

  

  

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  swagger not display

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  zbximo asked Mar 10, 2026 in Questions · Answered

  

  

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  Client certificate verification (mTLS) in Starlette/FastAPI

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  kaleming asked Oct 22, 2020 in Questions · Answered

  

  

  

  

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  How can I ensure that response_model does not add application/json media_type?

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  RubenGarcia asked Mar 9, 2026 in Questions · Unanswered

  

  

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  UploadFile file picker broken in Swagger UI since 0.129.1 (contentMediaType change)

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  reidemeister94 asked Feb 23, 2026 in Questions · Answered

  

  

  

  

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  [DOC]: Content section's some part gets hidden by Table of content table and for seeing we have to go all down the page

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  PredictiveManish asked Mar 9, 2026 in Questions · Unanswered

  

  

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  [BUG/Regression] #11355: NameError when parsing stringified annotations with unimported types (Python 3.10+)

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  wenwen-666 asked Mar 9, 2026 in Questions · Unanswered

  

  

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  Validation fails when submitting a single value to a list field in a Form request with a union model

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  mtblanton asked Mar 5, 2026 in Questions · Unanswered

  

  

  

  

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  Usage of ContextVar's in FastAPI

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  claeyswo asked Mar 5, 2026 in Questions · Unanswered

  

  

  

  

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  Attach event data schema for sse endpoints

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  BHznJNs asked Mar 6, 2026 in Questions · Unanswered

  

  

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  Add .cursorrules file to help Cursor IDE users follow FastAPI conventions

  survivorforge asked Mar 4, 2026 in Questions · Unanswered

  

  

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  Response scoped dependency finalises after response is sent, unless there is an exception then it finalises early.

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  EdgyEdgemond asked Feb 27, 2026 in Questions · Unanswered

  

  

  

  

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  Add ability to exclude input/context from ValidationErrors

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  WilliamDEdwards asked Mar 4, 2026 in Questions · Unanswered

  

  

  

  

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  Ability to register a callback on "After-Startup" event

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  rustam-ashurov-mcx asked Feb 23, 2026 in Questions · Unanswered

  

  

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  Class Based MiddleWare API?

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  muellert asked Mar 2, 2026 in Questions · Answered

  

  

  

  

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  "Settings example" in docs with huge performance hit

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  eddy2by4 asked Sep 28, 2024 in Questions · Answered

  

  

  

  

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  Support automatic documentation for HTMLResponse and RedirectResponse from return type annotations

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  AlberLC asked Oct 11, 2025 in Questions · Unanswered

  

  

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  Add Arabic (العربية) documentation translation

  salehA13 asked Jan 30, 2026 in Questions · Answered

  

  

  

  

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  Bug with BaseModel + query param

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  Danipulok asked Feb 10, 2026 in Questions · Unanswered

  

  

  

  

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  Specify log level to the fastapi command

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  pynchia asked Jan 24, 2026 in Questions · Answered

  

  

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  How to define custom objects as query parameters in FastAPI (using PydanticV2 annotations)?

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  Kludex asked Sep 18, 2023 in Questions · Unanswered

  

  

  

  

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  static mounts do not work with app.url_path_for()

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  skewty asked May 1, 2025 in Questions · Answered

  

  

  

  

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  How to use Dynamic Form Data in FastAPI application function Python?

  question Question or problem question-migrate

  RakshithRAcharya asked Jul 17, 2021 in Questions · Answered

  

  

  

  

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  Understanding FastAPI type checking when parameter is used in dependancy

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  gsouveton asked Dec 1, 2021 in Questions · Unanswered

  

  

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  Change pydantic default error message in fastapi?

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  binaryantcom asked Apr 21, 2023 in Questions · Answered

  

  

  

  

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