Advertising slots represent individual sponsorship opportunities within your newsletter. Each slot is tied to an advertising unit (SKU) and a specific date.
Advertising slots have one of the following statuses:
open - The slot is available for purchasesold - The slot has been purchased but content hasn't been finalizedfinalized - The sponsor has submitted their contentexecuted - The newsletter containing the slot has been sentexpired - The slot date has passed without being soldSponsors can submit content for their slots, which includes:
After content is submitted, you can approve it by setting content_approved_at, or reject it by setting content_rejection_reason.