Validate data with Zod schemas

Zod v4 TypeScript schema validation patterns and best practices. Use when writing or modifying Zod schemas, adding schema annotations/metadata, or validating data with Zod.

Defining runtime-safe TypeScript schemas with metadata for validation, UI generation, and tooling.

• · const userSchema = z.object({ email: z.string().email().meta({ description: "Used for login", label: "Email Address", placeholder: "you@example.com" }), age: z.number().min(0).descr

• · Formatted commit message
• · Changelog entry

• · Node.js runtime

API credentials, valid request format

Missed gotchas, misunderstood patterns, misconfiguration

• · Explicitly versioned
• · Documented examples