Gleam users can connect their GetResponse API key as an integration to automatically send email contacts from any campaign into a specified list within your GetResponse account.
You can enable GetResponse Integration on the Pro plan & above. Simply navigate to Settings > Integrations then turn on GetResponse.
You will then need to add your GetResponse API key & the name of the default campaign to send emails to.
Once you've activated your integration with GetResponse you can now use Subscribe actions to send mails to any list that you want.
In order to test if emails successfully send to GetResponse you need to do the following:
By default the GetResponse API automatically uses double opt-in on any campaign that you are sending contacts to. You can get this disabled by sending a request via this page.