You may use this flow to create a Zapier to send notifications in Slack when a campaign is completed Instantly by clicking the link here.
Follow the step-by-step guide:
Go to to your Zaps editor click on Create a Zap:
Type Instantly in the search bar and select it from the drop-down menu
In the event field, select New event
Click Continue
Click Sign in to connect your Instantly account and paste the API key.
Note: Get your API Key from the Integrations page and copy the Zapier API key:
In the pop-up window paste your API key and click on Yes, Continue.
After you've connected your Instantly account with Zapier, click Continue:
In setup action select your campaign and event type: Campaign completed. Click continue.
Test your trigger.
Connect Slack by clicking on "+"
Select event: Send Channel Message
Choose your Slack account (sign into your Slack account).
Under set up action select your designated channel along with customizing the message box. In this example we included some emojis and said our campaign (using the campaign name from instantly) has been completed.
Test your action.
Go to Slack and check the message received.
