To find a secret key it is important to follow the steps described in the following article. Here's a brief guide to uncovering it:

1. Navigate to Placements Tab:

Go to the Placements tab, your central hub for managing ad spaces.

2. Press on the 3 dots next to your placement

3. Find the Postback Button:

Look for the Postback button in the dropdown menu.

4. Click on the Postback Button:

Open the Postback page to access valuable information, including the secret key.

5. You will be able to see the secret key in the tab that opens

Important note: Placement approval is a prerequisite, for ensuring the security of this sensitive information.