How to be an Instagram sandbox user for any client in Instagram

Question

I am building an application with Instagram login. I was able to login and fetch 20 media files as per sandbox rate-limits. Now since I want to fetch the tagged images, I ha

Answer 1

You need to go to Manage Client - Edit - Sandbox - type in the username and Enter as the accepted answer states, but I'd like to also add how to accept the invitation as I had to look around a bit for this, on the receiving account, log in and go to

https://www.instagram.com/developer/

Click Sandbox Invites at the top menu, there your invite will be waiting for you to accept, there are no emails sent for my test accounts, hope this helps someone