Wherever APIs are mentioned the JSON format I not far away. Since I’m using two tools regularly I would like to introduce you to them.
JSON Viewer
If you only see the JSON-Text you are usually not able to see the structure. With the help of JSON Viewer you can have an easy overview: [URL]
JSON2CSharp
The name says everything: with this tool you can easily transform JSON into CSharp code. That’s pretty useful if you are, for example building the opponent to a JSON-API and want to work with the results. [URL]