Sending using the /campaigndraft endpoints is recommended when you are storing your contact base in Mailjet. It allows you to use the contact properties to personalize the email content, as well as segment your recipients in order to focus on specific demographics or create re-engagement campaigns
- Have a validated sender linked to your API Key
- Have a contact list containing all of the recipients you want to send your campaign to
Optionally, have a segment you would like to apply to your list to target a specific demographic.