Create a new scratch org and push the source from this repo to the org
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<tokenOutput>
<expires>2019-01-07T06:05:28.496Z</expires>
<token>10d8ee93-5627-419c-805e-a66695d77360</token>
</tokenOutput>
String apiAccountName = 'your API account name';
String apiKey = 'your API key';
CortellisApiService theApi =
CortellisApiService.getInstance(apiAccountName, apiKey);
CortellisApi.Authv2TokenResponse apiRes = theApi.authorize();
System.debug('expires: ' + apiRes.expires);
System.debug('token: ' + apiRes.token);