ios - Preparing a GET/POST request to fetch data on iPhone -

i trying fetch data in json format search word 'cancer'.

but can't figure out how call websvice, tried few things not working, can me in this.

below api should calling https://api.justgiving.com/docs/resources/v1/search/fundraisersearch

clicking following url desired data in browser. https://api.justgiving.com/2be58f97/v1/fundraising/search?q=cancer

apikey = 2be58f97

here code using:

nsmutableurlrequest *request = [[nsmutableurlrequest alloc] init]; nsurl *requesturl = [nsurl urlwithstring:@"https://api.justgiving.com/2be58f97/v1/fundraising/search"]; [request seturl:requesturl]; [request sethttpmethod:@"get"];

    nsstring *boundary = @"---------------------------14737809831466499882746641449";     nsstring *contenttype = [nsstring stringwithformat:@"multipart/form-data; boundary=%@",boundary];     [request addvalue:contenttype forhttpheaderfield: @"content-type"];      nsmutabledata *body = [nsmutabledata data];       [body appenddata:[[nsstring stringwithformat:@"\r\n--%@\r\n", boundary] datausingencoding:nsutf8stringencoding]];     [body appenddata:[@"content-disposition: form-data; name=\"q\"\r\n\r\n" datausingencoding:nsutf8stringencoding]];     [body appenddata:[[nsstring stringwithformat:@"%@",searchtext] datausingencoding:nsutf8stringencoding]];     [body appenddata:[[nsstring stringwithformat:@"\r\n--%@--\r\n", boundary] datausingencoding:nsutf8stringencoding]];      [request sethttpbody:body];      [nsurlconnection sendasynchronousrequest:request                                        queue:[nsoperationqueue mainqueue]                            completionhandler:^(nsurlresponse *response, nsdata *data, nserror *error) {                                nslog(@"error = %@",error.localizeddescription);                                if(error.localizeddescription == null)                                {                                    nsstring *returnstring = [[nsstring alloc] initwithdata:data encoding:nsutf8stringencoding];                                    nslog(@"response >>>>>>>>> %@",returnstring);                                }                                else                                {                                    nsstring *returnstring = [[nsstring alloc] initwithdata:data encoding:nsutf8stringencoding];                                    nslog(@"response >>>>>>>>> %@",returnstring);                                }                             }]; 

     -(afhttpclient *) gethttpclient{             afhttpclient *httpclient = [[afhttpclient alloc]initwithbaseurl:[nsurl urlwithstring:kbaseurl]];             httpclient.parameterencoding = afjsonparameterencoding;             [httpclient setdefaultheader:@"accept" value:@"application/json"];             [httpclient registerhttpoperationclass:[afjsonrequestoperation class]];              return httpclient;         }            //this how should call  -(void) callapi{              afhttpclient *httpclient = [self gethttpclient];             nsmutableurlrequest  *request = [httpclient requestwithmethod:@"get" path:method parameters:querystrdictionary];// querystringdictionary contains value of q=? stuff               afjsonrequestoperation *operation = [afjsonrequestoperation jsonrequestoperationwithrequest:request success:^(nsurlrequest *request, nshttpurlresponse *response, id json) {                 //you have response here want.                 [self processresponsewith:json having:successblock andfailuerblock:failureblock];              } failure:^(nsurlrequest *request, nshttpurlresponse *response, nserror *error, id json) {                 //your request failed check error detail                 failureblock(error);             }];              nsoperationqueue *queue = [[nsoperationqueue alloc] init] ;             [queue addoperation:operation];          }