User first_name and last_name limitations on Facebook and Twitter

Question

I need to know the maximum length of users first and last name that he can have on Facebook and Twitter. Our application allows to register using this social networks and we have limitations for the number of characters in user's first and last names. Too long names can spoil slicing. Can anybody help?

Answer 1

On twitter there's no first_name and last_name. However there is allocation to input name which is 20 Characters Max You can update your twitter name (not username) via this

POST http://twitter.com/account/update_profile.json

https://dev.twitter.com/docs/api/1/post/account/update_profile

As for Facebook the maximum length for each field (that is first name and last name) is 75 Characters