buy: Get buy price

curl 'https://api.coinbase.com/v2/prices/BTC-USD/buy'

import requests

resp = requests.get("https://api.coinbase.com/v2/prices/BTC-USD/buy")
data = resp.json()

import zingu_apis

api = zingu_apis.api("coinbase")
result = api.fetch("prices/{currency_pair}/buy")

for item in result:
    print(item)

const resp = await fetch("https://api.coinbase.com/v2/prices/BTC-USD/buy");
const data = await resp.json();