I use
POST type URL http://######/graphql Body: query: \"query: \"{\'noteTypes\': {\'name\', \'label\', \'labelColor\', \'groupName\', \'groupLabel\', \'i
Deriving from Estevão Lucas' answer.
You can also use header Content-type: application/json on postman
Content-type: application/json
And define the body with:
{ "query": "{ your_query }" }
This is easily constructed on the client side to form a request payload.
e.g.
Output: