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Yup

Schema builder for runtime value parsing and validation

Easy to Use

Easy to Use

Concise yet expressive schema interface, equipped to model simple to complex data models

Built-in async validation and Powerful TypeScript support

Built-in async validation and Powerful TypeScript support

Model server-side and client-side validation equally well. Infer static types from schema, or ensure schema correctly implement a type

Extensible and easy debugging

Extensible and easy debugging

Add your own type-safe methods and schema. Rich error details, make debugging a breeze