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Use .to_json to Create JSON

Explore how to create JSON responses in Rails by leveraging the to_json and as_json methods. Understand how to maintain consistency between your API and data models, customize JSON outputs, and ensure your API endpoints produce clear, maintainable JSON payloads aligned with your business logic.

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Create JSON file

Our data model has been (presumably) carefully designed to ensure correctness, reduce ambiguity, and model the data that’s important to our business. Our app’s various endpoints are all resourceful, using Active Model to create any other domain concepts we need that aren’t covered by the Active Records.

Therefore, it stands to reason that our API’s JSON should mimic these carefully designed data structures. If our API must be so different from our domain or database model that we need a separate set of classes to create the JSON, something may be wrong with our ...