cURL
curl --request GET \ --url http://gateway.graylayer.tech/api/v1/forecastex/trsrv/event/category-tree \ --header 'X-API-Key: <api-key>'
{ "error": "unauthorized", "message": "Invalid API key" }
IBKR Gateway. Requires Client Portal Gateway running.
API key. Request one in #api-key-request on the Graylayer Discord.
Category tree