{"hint":"Send a POST request with a JSON body {\"email\": \"you@example.com\"} to get a free API key. The email is required.","example":"curl -s -X POST https://oracle.maxiaworld.app/api/register -H \"Content-Type: application/json\" -d '{\"email\":\"you@example.com\"}'","tier":"free — 10 requests/day","usage":"Pass the key as X-API-Key header on every subsequent request."}