Generate a short video clip from an image using Stable Video
image_urlrequiredseedoptionalmotion_bucket_idoptionalcond_augoptionalfpsoptionalclawcard agent pay video-gen-stable '{"image_url": "https://example.com/photo.jpg"}' --jsonPOST https://www.clawcard.sh/api/catalog/video-gen-stableRequires API key in Authorization header. Balance deducted per call.