Login to your Vision6.com.au account
Once logged in, click on Integrations button on left tab section
On next page, Click on API Keys tab
Click the Create API button on right top of the list
Enter API Key name as Opt-in Samurai and click OK
The same box will show your new API Key
Copy the API Key and paste it in your Opt-in Samurai > 3rd Party Integration page under Vision6 service activation form