GET /fapi/v2/ticker/price: this is v2 endpoint for querying latest price. It has same parameters and response as the GET /fapi/v1/ticker/price, and it offers lower latency and consume less of the IP rate limit. Please note that the GET /fapi/v1/ticker/price will be deprecated in the future, with the exact timing to be determined.
GET /fapi/v2/ticker/price: this is v2 endpoint for querying latest price. It has same parameters and response as the GET /fapi/v1/ticker/price, and it offers lower latency and consume less of the IP rate limit. Please note that the GET /fapi/v1/ticker/price will be deprecated in the future, with the exact timing to be determined.
https://binance-docs.github.io/apidocs/futures/en/#change-log