curl --request POST \
--url https://api.endclose.com/v1/data_stream_property_definitions \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '
{
"key": "<string>",
"name": "<string>",
"type": "number",
"data_stream_key": "<string>",
"id": 123,
"optional": false
}
'