To create the required credentials for adding Vultr as a provider on Cycle, a user must have a Vultr Account.
Create The Vultr Credentials
Log into your Vultr account find the nav bar on the left and select the account tab.
Click the API tab.
Click the Enable API button to enable the API key.
The key thats been enabled will need the settings Allow All IPv4 and Allow All IPv6 also set to enabled.