post_payload | object or string | Yes | - | Official Reddit Ads structured post object as JSON, sent as-is: creative (required) and optional allow_comments. creative.type is IMAGE, VIDEO, CAROUSEL, TEXT, or PROMOTED_POST. Image, video and carousel creatives take an optional body (primary text). Media is {“media”: {“type”: “URL”, “url”: “<public URL>”}}; destinations are {“type”: “URL”, “url”: …, “display_url”: …, “call_to_action”: …}. Example: {“creative”: {“type”: “IMAGE”, “headline”: “Run Google Ads with AI”, “body”: “Connect your ad accounts and manage campaigns in chat.”, “image”: {“media”: {“type”: “URL”, “url”: “https://example.com/ad.png”}}, “destination”: {“type”: “URL”, “url”: “https://www.markifact.com”, “call_to_action”: “Learn More”}}} |