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For Native Standard ads, you can use PNG or JPG images with a maximum size of 1200 x 800px and a file weight of up to 2.5 MB. The title can be up to 100 characters (60 recommended), the brand name up to 60 characters, and the description is optional with a maximum of 150 characters.

Native Clip ads support GIF or MP4 files with a 3:2 ratio and a maximum file size of 30MB. The video length should be 15 seconds or less and can loop up to 3 times. The title can be up to 90 characters (60 recommended), and the brand name up to 25 characters.

Video Pre-Roll ads support file types such as avi, mov, mp4, m4v, mpeg, mpg, webm, and wmv. The video size should be up to 100 MB, with a length of up to 60 seconds. The aspect ratio should be landscape or horizontal (16:9 or 4:3). The Click Through URL is mandatory, and tracking must be HTTPS.

Native App Install ads require an image with a 1:1 ratio, up to 1200px in size, and a maximum file size of 2.5 MB. The title can be up to 100 characters, and the brand name up to 50 characters. The CTA must be selected from a predefined list supporting 10 languages.

High-Impact Display ads support PNG, JPG, or MP4 files with a maximum weight of 2.5 MB. The recommended image ratio is 1:1.3 (1200 x 1560) or 1:1 (1200 x 1200). Additional assets include a brand logo with a 1:1 ratio (250x250 recommended), a brand name of 25 characters, a title of 30 characters, a description of 90 characters, and a CTA of 15 characters.

Standard Display Banner ads support the following sizes: 300x250, 160x600, and 728x90. The image format can be PNG or JPG with a maximum file weight of 2.5 MB.