Discussions

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  How to create type-safe ServerSentEvent?

  question Question or problem

  rakuzen25 asked Mar 12, 2026 in Questions · Unanswered

  

  

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  Runtime and OpenAPI spec disagree on which route handles a path when using different path converters

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  anth2o asked Mar 13, 2026 in Questions · Unanswered

  

  

  

  

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  casbin-fastapi-decorator — decorator-based Casbin authorization for FastAPI, no middleware required

  Neko1313 started Mar 13, 2026 in Show and tell

  

  

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  Bug in get_dependant allowing multiple identical FastAPI annotations

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  bensgilbert asked Mar 13, 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 · Answered

  

  

  

  

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  How to directly serialize Decimals to JSON numbers? (FHIR spec decimal cmpliance)

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  nishaalnaseer asked Feb 15, 2026 in Questions · Unanswered

  

  

  

  

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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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  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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  SQLAlchemy sessions that live for the duration of a web request seem to hog DB connections and transactions unnecessarily

  question Question or problem

  tgwizard asked Jan 15, 2025 in Questions · Unanswered

  

  

  

  

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  How to generate OpenAPI.json as part of release WITHOUT starting the app?

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  noamta-gloat asked Jan 13, 2026 in Questions · Unanswered

  

  

  

  

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  bytes field inside Pydantic model with Form() fails — UploadFile not read

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  anushkapunekar asked Mar 12, 2026 in Questions · Answered

  

  

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  response_model_exclude_none=True no longer excludes None for Iterable since 0.134

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  PGijsbers asked Mar 10, 2026 in Questions · Answered

  

  

  

  

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  Decorator response_model param for the maximum serialization performance

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  shaliamekh asked Mar 11, 2026 in Questions · Answered

  

  

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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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  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

  question Question or problem

  zbximo asked Mar 10, 2026 in Questions · Answered

  

  

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  Client certificate verification (mTLS) in Starlette/FastAPI

  question Question or problem reviewed question-migrate

  kaleming asked Oct 22, 2020 in Questions · Answered

  

  

  

  

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

  question Question or problem

  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

  question Question or problem

  mtblanton 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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  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

  question Question or problem

  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?

  question Question or problem

  muellert asked Mar 2, 2026 in Questions · Answered

  

  

  

  

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