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#validation (2)

Cheat sheets (2)

Zod — TypeScript-first schema validation with static type inference

TypeScript-first runtime validation library. Define schemas, validate inputs, infer static types — works at API boundaries, env config, forms, and tRPC.
javascript typescript zod validation schema

pydantic — Data Validation

Validate and parse data at runtime using Python type hints with Pydantic v2. Covers BaseModel, field validators, nested models, and JSON serialization.
python pydantic validation types models serialization