Soundest is now Omnisend. This page will be soon moved to our new website. Meanwhile, read the story behind the change.

AddSuperpowersto any online business
Learn how to integrate Omnisend email marketing service
with any online store, app, website, CRM, etc.
Get started
API reference
API reference
Backend RESTful API or Frontend JavaScript API.
Here’s the docs for you to choose the way to connect to Omnisend.
guides
Guides
Learn step-by-step how to add each and every marketing feature to your online store.
Developer console
Dev. console
Create an account to access personal developer console, play with requests inside our API documentation and see error log for your integration.