You can also interact with the network from a terminal using the curl command, and the syntax is shown for you:

curl -X GET --header 'Accept: application/json' 'http://localhost:3000/api/LetterOfCredit'

Try this out in a terminal, and you'll see the data on the command line:

It's a lot less beautiful than the Playground or SWAGGER view, but if you're a programmer, you know how powerful this is! Think about how this can help with automated testing, for example.