{"success":true,"message":"ReVision Vision API","data":{"version":"1.2.0","documentation":"docs/","demo":"demo/","privacy":"legal/privacy/","data_protection":"legal/data-protection/","free_calls_on_register":10,"max_image_mb":8,"feedback_modes":["text","text_audio","audio"],"endpoints":{"POST v1/register":"Create account + API key","GET v1/account":"Balance & usage (API key)","GET v1/packages":"Pricing packages","POST v1/purchase":"Buy more calls (API key)","POST v1/ask":"Image + question (API key or demo)","POST v1/chat":"Text follow-up (API key or demo)","GET v1/history":"Conversation history (API key)","GET v1/usage":"Request usage logs (API key)","GET v1/voices":"Voices and feedback modes","GET v1/status":"Service status","demo":"Send X-Vision-Demo: 1 for unauthenticated evaluation"}}}