Caller sends a Gemini key on each request. No server GEMINI_API_KEYS needed.
?key=$GEMINI_API_TOKENx-goog-api-key: $GEMINI_API_TOKENPlayground uses this mode (key stored in browser localStorage).
curl "https://gemini-relay-proxy.vercel.app/api/v1beta/models?key=$GEMINI_API_TOKEN" curl "https://gemini-relay-proxy.vercel.app/api/v1beta/models" \ -H "x-goog-api-key: $GEMINI_API_TOKEN"