^{Originally posted by bowenerchen October 10, 2024}

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Example Code

from typing import Annotated

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(q: Annotated[str | None, Query(min_length=3)] = ...):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})
    return results

Description

https://fastapi.tiangolo.com/tutorial/query-params-str-validations/#required-can-be-none

how to pass a None value to the required query parameter q?

Operating System

macOS

Operating System Details

Sonoma 14.7 M2 Max

FastAPI Version

0.115.0

Pydantic Version

2.5.3

Python Version

Python 3.12.4

Additional Context

No response