Portkey Gateway

curl https://api.portkey.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "x-portkey-api-key: $PORTKEY_API_KEY" \
  -H "x-portkey-custom-host: https://api.aisonar.dev/v1" \
  -H "x-portkey-provider: openai" \
  -H "Authorization: Bearer $API_KEY" \
  -d '{
    "model": "gpt-5.4-mini",
    "messages": [{"role": "user", "content": "Say hello."}]
  }'