[akdev1l]

You can brute force the real age this way.

Do binary search and you don’t even need that many calls.

1. Is person older than 50? 2. Older than 25? 3. Older than 18? 4. Older than 9? 5. Younger than 14? 6. Older than 16?

[Joker_vD]

Yeah, that's why the EU-designed API doesn't work that way.