What is the character limit for headline copy in an Image Promoted Post?

The correct answer is 300 characters. Reddit's Image Promoted Post format allows for a headline of up to 300 characters. This limit ensures that headlines are concise and easily digestible for users scrolling through their feeds. While 500 characters might seem like a more flexible option, it exceeds the platform's specified constraint for this ad type. Unlimited characters would lead to overly long headlines that could negatively impact user experience and ad effectiveness. 150 characters is too restrictive and would not allow for sufficient detail or creativity in many cases. Adherence to these character limits is crucial for successful ad creation and approval on the platform.