To work with JSON in Elixir, use libraries like Jason or Poison for encoding and decoding JSON data. These libraries provide functions for serializing Elixir data structures to JSON and vice versa.

Working with JSON in Elixir is straightforward, thanks to popular libraries like Jason and Poison that simplify the process of encoding and decoding JSON data. JSON, or JavaScript Object Notation, is a widely used data format for exchanging information between clients and servers, making it essential for web applications. To get started, you need to add one of these libraries as a dependency in your mix.exs file. For example, if you choose Jason, you would add {:jason, "~> 2.0"} to your dependencies. Once the library is included, you can easily encode Elixir data structures into JSON format using the Jason.encode!/1 function. This is particularly useful for converting maps, lists, or structs into a format suitable for HTTP responses or API payloads. Conversely, you can decode JSON strings back into Elixir data structures using Jason.decode!/1, enabling you to process incoming JSON data from clients. It's important to handle potential errors during encoding and decoding, especially when dealing with external data sources. By utilizing these libraries, you can effectively integrate JSON handling into your Elixir applications, ensuring smooth communication between your backend and frontend components.