The number of tokens that are publicly available and circulating in the market.
curl --request GET \ --url https://api.invezo.com/v1/supply/current/latest \ --header 'x-invezo-api-key: <api-key>'
{ "status": "OK", "request_id": "", "symbol": "BTC", "latest": 19105168.75 }
asset symbol (example: btc)
