download gmail contacts

Question

There are lots of script like invite friends script which requests users to provide their google/other account id and password and automatically downloads all email accounts and sends an email invitation automatically. So, how to download email address using ASP.NET C# by providing login details?

Answer 1

You have a special API for that. Try Googling for it. Can can find the best. Else u can use open invite or email invite 2.1

Answer 2

Use the Google contacts API.
Here is a .NET example of retrieving contacts

Good luck :)