curl --request POST \
  --url https://api.example.com/api/v1/project/{projectSlug}/{env}/agent/{agentSlug}/complete \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "messages": [
    {
      "content": "<string>"
    }
  ],
  "maxTokens": 123,
  "modelId": "<string>",
  "temperature": 123
}
'

{
  "content": "<string>",
  "latencyMs": 123,
  "usage": {
    "estimatedCost": 123,
    "inputTokens": 123,
    "outputTokens": 123,
    "totalTokens": 123
  },
  "finishReason": "<string>",
  "model": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}