sample.m

#import "Sample.h"

@implementation Sample

- (void) doAPIRequest {
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

	@try {

	  // Initialize the Obj-C Client Library with a Developer key
	  Bitly* bitly = [[Bitly alloc] initWithKeys:@"your-public-key" mashapePrivateKey:@"your-private-key"];

          // Call a method asynchronously and get a NSOperationQueue object
	  NSOperationQueue* queue = [bitly getShortenedUrl:@"http://www.mashape.com" login:@"bitly-login" apikey:@"bitly-api-key" callback:self];

	  [bitly release];

	@catch (MashapeClientException *exception) {
          NSLog(@"Exception with code %@ and message: %@", [exception name], [exception reason]);
        }

	[pool drain];
}

-(void)requestCompleted:(id) response {
        // Read the API's documentation
	NSString* shortenedUrl = [response valueForKey:@"shortenedUrl"];
}

-(void)errorOccurred:(MashapeClientException*) exception {
	NSLog(@"Exception with code %@ and message: %@", [exception name], [exception reason]);
}

@end