How to Query Nested JSON with JSONPath (Without Writing Loops)

You just got back a 300-line API response. Somewhere inside three levels of nesting is the email field you actually need. So you write a loop, then another loop, then a conditional — and now you're maintaining brittle traversal code that breaks every time the API schema shifts. There's a better way: JSONPath. JSONPath is a query language for JSON, similar to how XPath works for XML. Instead of writing code to traverse a structure, you write a short expression that reads like a path. It works a