Guides

Practical guides for working with JSON in real projects.

Generating Pydantic Models from JSON: A Practical Guide

How to turn raw JSON into type-safe Pydantic models for FastAPI, LLM output parsing, and data validation.

2026-05-04·8 min read

Type-Safe JSON Validation in TypeScript with Zod

Using Zod schemas for runtime validation of API responses, form data, and environment variables in TypeScript projects.

2026-05-04·7 min read

Inferring JSON Schema from Real Data: When and Why

When to generate schemas automatically vs writing them by hand, and how to use inferred schemas in API design.

2026-05-04·6 min read

Comparing JSON Documents: Why Text Diff Isn't Enough

How semantic JSON diffing catches real changes that line-by-line tools miss, with practical examples from API testing and config management.

2026-05-04·7 min read