Request url:- http://maps.googleapis.com/maps/api/geocode/json?latlng=18.45236,73.84428&sensor=true&client=gme-tatamotorslimited2&signature=4ZIFL4arsdGWf-XFvucrf4xn_CQ= Responce:-Unable to authenticate the request. Provided 'signature' is not valid for the provided client ID, or the provided 'client' is not valid. The signature was checked against the URL: /maps/api/geocode/json?latlng=18.45236,73.84428&sensor=true&client=gme-tatamotorslimited2&signature=4ZIFL4arsdGWf-XFvucrf4xn_CQ= If this does not match the URL you requested, please ensure that your request is URL encoded correctly. Learn more: https://developers.google.com/maps/documentation/business/webservices/auth Server Responce :- Unable to authenticate the request. Provided 'signature' is not valid for the provided client ID, or the provided 'client' is not valid. The signature was checked against the URL: /maps/api/geocode/json?latlng=18.45236,73.84428&sensor=true&client=gme-tatamotorslimited2&signature=4ZIFL4arsdGWf-XFvucrf4xn_CQ= If this does not match the URL you requested, please ensure that your request is URL encoded correctly. Learn more: https://developers.google.com/maps/documentation/business/webservices/auth