If you’re an agency, you’ll have to take a few extra steps to add certain YouTube channels to ThumbnailTest. This is because of how YouTube third-party access works - just because you’re a manager on a channel, doesn’t mean you’re able to login with that channel.
To add a channel normally:
Sign in to ThumbnailTest
Click Settings > Team Settings
Towards the bottom of the page, click “Add Channel"
Click the email associated with the YouTube channel you want to connect
Click the YouTube channel you want to connect
If you don’t see the channel, you need to use the next set of instructions to add the channel
To add a channel you can’t login as:
Sign in to ThumbnailTest
Click Settings > Team Settings
3. Towards the top of the page, Check this box to mark your team as an agency
4. Towards the middle left of the page, click “Invite Member”
5. Generate invite link
Select the appropriate role, since they'll be temporary the "Member" role should work. They won't need any access to channels unless you'd like them to view the results of tests.
Then click "Generate One Time Link"
6. Click “Copy Link”
7. Send this link to the original owner of the channel (Your Client)
8. Have the Client sign in to ThumbnailTest as the desired channel
9. Make sure the Client is on your team in the bottom left team selector
10. Have Client go to Team Settings
11. Have Client Click “Add Channel”
12. Have Client Click the email associated with the YouTube channel they want to connect
13. Have Client Click the YouTube channel they want to connect
14. If Client doesn’t see the channel, they need to make sure they’re logged in as the right account