Package-level reference for valibot — schemas, transforms, pipes, branding, safeParse, and the tree-shaking advantage over zod.
Package-level reference for zod on npm — install variants, v4 breaking changes (looseObject, mini build), companion packages, and alternatives.
Package-level reference for Pydantic on PyPI — install variants, v1 vs v2 split, optional extras, and alternatives.
TypeScript-first runtime validation library. Define schemas, validate inputs, infer static types — works at API boundaries, env config, forms, and tRPC.
Validate and parse data at runtime using Python type hints with Pydantic v2. Covers BaseModel, field validators, nested models, and JSON serialization.
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