T.co rate limit



I am mining the public stream, currently using the sample api, I am interested in urls shared by users, shortly after I started running a program that resolves 301s in t.co (less than a minute) all requests fail or timeout. Whats the rate limit to consume t.co links? What do I need to do to increase that and to what level it can be increased?

Thanks in advance


Ignore this, urls in the status object have both the t.co and full url.