🔒 API key lives in .env on your server — it's never sent to the browser.
Restart the Node.js server after editing .env.
⚠ You're on track to exceed 30,000 calls/month. Consider increasing the cache TTL in .env (CACHE_TTL_MINUTES=360) or reducing refresh frequency.
Free plan: 30,000 calls/month. All options above are safe.