coinbase sdk unable to get response

Question

I am using this three methods to update coinbase but i am not getting response in any of them, please help me, here is my code:

[primaryAccount requestAmount:@"0.001" amountCurrencyISO:@"BTC" from:@"1EbKfp6W6K2rtubuVEMDoaytWMsY4wtNHM" notes:@"Test amount" completion:^(CoinbaseTransaction *tarnsation, NSError *error) {

    NSLog(@"%@",tarnsation);
    NSLog(@"%@",error);

}];


[primaryAccount sendAmount:@"0.001" to:@"1EbKfp6W6K2XgubwwEMDoaytWMsY4wtNHM" completion:^(CoinbaseTransaction *tarnsation, NSError *error) {
    NSLog(@"%@",tarnsation);
    NSLog(@"%@",error);
}];

[primaryAccount transferAmount:@"0.001" to:@"1EbKfp6W6K2XgubuVEMDo22tWMsY4wtNHM" completion:^(CoinbaseTransaction *tarnsation, NSError *error)
                 {                

    NSLog(@"%@",tarnsation);
    NSLog(@"%@",error);
}];