Oudwins/zog

Health v2 · maintenance only

Adoption not part of the score

1212 stars · 40 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Zog is a Zod-inspired schema builder for runtime value parsing and validation in Go, using method chaining to define expressive schemas with built-in coercion and rich error context. It ships helper packages for parsing HTTP requests, JSON, environment variables, and i18n error messages.

Use cases

• validate http request bodies and forms in go
• parse and validate json payloads against a schema
• parse environment variables with validation
• coerce and validate form query params into structs
• validate struct data at runtime with detailed error messages
• build zod-like schemas in golang

When to choose

• you want a Zod-like, expressive schema API in Go
• you need fast validation with rich, contextual errors
• you want built-in coercion and zero dependencies
• you parse HTTP forms, JSON, or env vars into structs

When to avoid

• you need a fully stable v1 API (still pre-1.0 with possible minor breaking changes)
• you only need simple struct tag validation and prefer goplayground/validator
• you don't want schema keys tied to Go struct field names

Facets

library · maturity active

parser error-handling serialization form-handling internationalization developer-tools backend web-development apis go cli schema-validation runtime-validation zod-inspired data-coercion zero-dependencies http-forms env-parsing json-parsing web-server

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