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Avoiding the Hidden Pitfalls of Type Coercion in Nested JSON Parsing with FastAPI and Pydantic v2

This story is from 2026-10-30. It is preserved in the archive; the latest stories are on the live feed.

Avoiding the Hidden Pitfalls of Type Coercion in Nested JSON Parsing with FastAPI and Pydantic v2 1. Requirements and Architectural Approach When building RESTful APIs with FastAPI or parsing dynamic JSON payloads, one of the most insidious architectural pitfalls lies in Python's and Pydantic's def…

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  1. 2026-10-30 20:38 · DEV Community — AI
    Avoiding the Hidden Pitfalls of Type Coercion in Nested JSON Parsing with FastAPI and Pydantic v2

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