curl --request GET \
  --url https://api.endclose.com/v1/data_stream_property_definitions/{id} \
  --header 'X-API-KEY: <api-key>'

{
  "key": "<string>",
  "name": "<string>",
  "type": "number",
  "data_stream_key": "<string>",
  "id": 123,
  "optional": false
}