--- title: "Product Update: 1" description: "Campaign Scheduling and API, Custom email headers" --- v1.7.0 Product Update ### Campaign Scheduling with Natural Language Schedule your campaigns effortlessly using natural language inputs like "tomorrow at 9am" or "next Monday at 10am". Available via API as well ### Campaigns API We're doubling down on APIs. You can now create, schedule, and manage campaign emails programmatically through our API. Check out the [Campaign API documentation](/api-reference/campaigns/create-campaign) to get started. ### Custom email headers You can now send custom email headers via api, comes in handy when you want to send unsub links for transactional emails Checkout the [docs here](/api-reference/emails/send-email#body-headers) ### Other Improvements - Upload large amounts of contacts without experiencing UI slowness - Delete Domain API - Export emails with bounce reason and filters - Create API keys domain restriction