JSON: The Secret to Flawless n8n Automations

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Tired of payload errors breaking your n8n flows? In this fast, beginner-friendly-but-pro-approved crash course, you’ll learn the JSON fundamentals that make automations stable, debuggable, and ready for production. Watch me map, validate, and transform JSON the way working builders do—so your workflows ship clean the first time.

What you’ll learn:

The JSON essentials (objects, arrays, keys, types) and how they map inside n8n’s Set, Function, and HTTP Request nodes

Proven patterns to validate/transform payloads and eliminate “Cannot read property” errors before they happen

A step-by-step mini build: take messy webhook data → clean JSON → reliable output you can reuse across automations

Blackfish AI helps business owners escape 20-hour workweeks by automating their lead generation, client communication, and content creation with n8n + AI.

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