{"free":{"hand_history":"last 20 hands","matches_at_once":3,"matches_per_day":50,"price_usd":0,"report":false},"how":"POST /billing/pro with {\"method\": \"usdc\"} or {\"method\": \"card\"} (your X-API-Key). Pro turns on automatically when the payment arrives.","pay_with":["usdc"],"pro":{"hand_history":"last 5000 hands","matches_at_once":20,"matches_per_day":"unlimited","price_usd_per_month":29.0,"report":"where your bot wins and loses chips, by card and by opponent"}}