/**
 * Get the API Url, based on a hint in the current Url.
 */
function getApiUrl() {
    var prodUrl = 'https://api.cooltrax.com';       // use this if we can't compute it
    var hostname = window.location.hostname;
    var apiUrl = prodUrl;

    if (hostname.indexOf('-dev') !== -1) {
        apiUrl = 'https://api-dev.np.cooltrax.com';
    } else if (hostname.indexOf('-uat') !== -1) {
        apiUrl = 'https://api-uat.np.cooltrax.com';
    }
    return apiUrl;
}