Content type: JSON
curl -H 'Accept:application/json' 'https://polish-zip-codes1.p.rapidapi.com/api/01-123'
Content type: XML
curl -H 'Accept:application/xml' 'https://polish-zip-codes1.p.rapidapi.com/api/01-123'
Content type: TEXT
curl -H 'Accept:text/plain' 'https://polish-zip-codes1.p.rapidapi.com/api/01-123'