API Introduction JSON API rates URL Format:The API Base Path is https://openexchangerates.org/api/. API Routes/Endpoints,base path as follows:HTTP https://openechangerates.org/api/latest.json currencies.json historical/2013-02-16.json Query parameters Messtone App,ID for Example: HTTP https://openexchancerates.org/api/latest.json ?app_id=MESSTONE_APP_ID&base=GBP&callback=someCallbackFunction API request for all the latest rates relative to USD(defaualt):HTTP https://openexchangerates.org/api/latest.json?app_id=MESSTONE_APP_ID value pairs that is relatively to the requested base currency:JSON-latest.jsom {disclaimer:”https://openexchangerates.org/”,license:”https://openexchangerates.org/license/”,timestamp:1449877801,base:”USD”,rates:{AED:3.672538,AFN:66.809999,ALL:125.716501,AMD:484.902502,ANG:1.788575,AOA:135.295998,ARS:9.750101,AUD:1.390866,/*…*/}} The response format is the same for Historical data(historical/YYYY-MM-DD.json)requests.Other API Routes – i.e.currencies.json,time – series.json and convert/