Leonai.in presents itself as a one-stop API for accessing top AI models like GPT, Claude, and Gemini. That's a compelling pitch, but the service is barely three days old β a major red flag for any business asking for your API keys and eventually your money. Most established API providers have years of domain history, clear company registrations, and active developer communities. Here, the owner's identity is hidden behind privacy redaction, and the site lacks basic security headers that protect against common web attacks. There's no social media presence, no Wayback Machine history, and no independent reviews to verify the service works as advertised. If you're considering using leonai.in, wait for real user feedback and a longer track record. For now, the question "is leonai.in a scam?" can't be answered with certainty, but the evidence points to a high-risk gamble. Stick with providers that have transparent ownership and a proven history.