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FastAPI · Class

HTMLResponse

HTMLResponse lets a FastAPI route return HTML. Declare it with response_class to set the HTML media type and document it in OpenAPI.

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Syntax

HTMLResponse(content=None, status_code=200, headers=None, media_type=None, background=None)

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  • Response
  • PlainTextResponse
  • JSONResponse
  • FileResponse
  • StreamingResponse
  • RedirectResponse
  • Jinja2Templates

Source: Custom Response - HTML, Stream, File, others. Checked 2026-11-03.