# Creative Specs

What advertisers provide for each ad creative.

## Creative Fields

Advertisers provide the following when creating a campaign. These fields appear in the API response and are rendered by the ad scripts.

| Field            | Spec                  | Description                                        |
| ---------------- | --------------------- | -------------------------------------------------- |
| Logo             | Square, ~200×200px   | Product or brand logo. Displayed in all formats.  |
| Product name     | Max 30 characters     | Name shown as the ad headline.                     |
| Tagline          | Max 90 characters     | Short description or value proposition.            |
| CTA text         | Max 20 characters     | Button label, e.g. "Try Free" or "Learn More". |
| Click URL        | Valid URL            | Destination when the user clicks the ad.           |

## Color Fields

Advertisers can optionally set brand colors. All values are hex codes.

| Field             | API Key                    | Description                                        |
| ----------------- | --------------------------- | -------------------------------------------------- |
| Background        | background_color            | Background color of the ad container.              |
| Text              | text_color                  | Color for headline and body text.                  |
| CTA background    | cta_background_color        | Background color of the CTA button.                |
| CTA text         | cta_text_color             | Text color of the CTA button.                       |

All color fields are optional. When not set, default colors apply unless the publisher overrides them with data attributes.