How to upload Video ads?
Step 1: Log in to your DSP account, go to Creative Sets, and on the new page click "Add creative set".
Step 3: Select the type of video (VAST + IBV, VAST, IBV).
Step 4: After selecting the type. You will be greeted with the video upload page.
Step 4: Upload companion banners (this step is necessary) Companion banners must contain at least one of the following sizes: 300x250 or 300x60.
Step 5: Write Call to action text. This text should be short and engaging, eg. Buy now. It will describe a call to action button for the destination URL.
Step 6: Save your video ad.