HomeGuidesAPI Reference
ChangelogHelp CenterCommunityContact Us
API Reference
ChangelogHelp CenterCommunityContact Us
These docs are for v1-2. Click to read the latest docs for v2025-04-15.

Send a Campaign Immediately

post https://a.klaviyo.com/api/v1/campaign//send

Queues a campaign for immediate delivery

Language
Credentials
Query
Power smarter
digital relationships
By entering your information and clicking “Sign up,” you consent to receive marketing emails (such as newsletters, blog posts, webinars, event invitations and new product updates) from Klaviyo from time to time. You can unsubscribe at any time by clicking on the “Unsubscribe” link at the bottom of our emails. For more information on how we process your personal information and what rights you have in this respect, please see our Privacy Policy.
Terms and Privacy Trademarks Security