{"type": "article", "title": "Pydantic V2 Discriminated Unions in FastAPI: Modeling Polymorphic AI Feature Configs Without Schema Sprawl", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/pydantic-v2-discriminated-unions-in-fastapi-modeling-polymorphic-ai-feature", "original_source": "https://dev.to/uaslimcreate/pydantic-v2-discriminated-unions-in-fastapi-modeling-polymorphic-ai-feature-configs-without-schema-93e", "published": "2026-06-03T08:00:03+00:00", "accessed": "2026-06-03", "id": "pydantic-v2-discriminated-unions-in-fastapi-modeling-polymorphic-ai-feature"}