Proxy API (Port 8081)

Forward requests through the proxy::

curl -X POST http://testcompany.example.com:8081/v1/chat/completions \
-H "Authorization: Bearer {api_key}" \
-H "Content-Type: application/json" \
-H "X-Request-ID: req-123" \
-d '{
"model": "gpt-3.5-turbo",
"messages": [{"role": "user", "content": "Hello!"}]
}'