Nothing to install — any HTTP client works, and the cURL tab is the whole contract. The SDK tabs are for pointing code you already have at the gateway.

curl https://aigw.173.212.206.55.nip.io/v1/chat/completions \
  -H "Authorization: Bearer $AIGW_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "openai/gpt-4o-mini",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'

The gateway speaks the OpenAI API, so anything that can POST JSON works — an SDK, a client library, or a bare request. Budgets, rate limits, guardrails and logging apply to every call either way. Anything the provider refuses (a rate limit, a context-length error) is returned to your app unchanged, with the provider named. That URL is the gateway’s data plane; this console is a separate service and is not on your request path.