Create an API key
Do this in Omnisend, then paste the key into Notify Me.1
Open API keys
In Omnisend, go to Store settings → API keys (or Integrations & API → API keys).

2
Create a key
Choose Create API key. Name it 
Notify Me. Turn on Contacts and Events. Leave other permissions off unless you need them.
3
Copy the key
Choose Create API key, then copy it. Omnisend will not show it again. See Omnisend: generate an API key.
Connect in Notify Me
1
Open Integrations
In Notify Me, choose Integrations in the left nav, then Connect on Omnisend.
2
Paste the key and test
Paste the API key and choose Test. When the test succeeds, pick the Tag. New contacts get that tag.

3
Save
Choose Save. The Omnisend card shows Active.
What syncs
Use those events in an Omnisend automation. The contact also gets product properties such as title, URL, and variant.
Pause or disconnect
Choose Manage on the Omnisend card.- Turn off Sync waitlist signups and alert events to pause without removing the key. The badge shows Inactive.
- Paste a new key and Test to replace the current key.
- Choose Disconnect to remove the connection.