{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ucsd/main/json-schema/ucsd-chat-completion-request-schema.json",
  "title": "TritonAI Chat Completion Request",
  "description": "Request body for POST /v1/chat/completions on the UC San Diego TritonAI LiteLLM gateway. Derived from https://tritonai-api.ucsd.edu/openapi.json.",
  "type": "object",
  "required": ["model", "messages"],
  "additionalProperties": true,
  "properties": {
    "model": {
      "type": "string",
      "description": "Model identifier as listed by GET /v1/models."
    },
    "messages": {
      "type": "array",
      "description": "Conversation messages.",
      "items": {
        "type": "object",
        "required": ["role"],
        "additionalProperties": true,
        "properties": {
          "role": {
            "type": "string",
            "enum": ["system", "user", "assistant", "tool", "function", "developer"]
          },
          "content": {
            "oneOf": [
              { "type": "string" },
              {
                "type": "array",
                "items": {
                  "type": "object",
                  "required": ["type"],
                  "additionalProperties": true,
                  "properties": {
                    "type": { "type": "string", "enum": ["text", "image_url", "input_audio"] },
                    "text": { "type": "string" },
                    "image_url": {
                      "oneOf": [
                        { "type": "string" },
                        { "type": "object", "additionalProperties": true }
                      ]
                    }
                  }
                }
              }
            ]
          },
          "name": { "type": "string" }
        }
      }
    },
    "temperature": { "type": "number" },
    "top_p": { "type": "number" },
    "n": { "type": "integer" },
    "stream": { "type": "boolean" },
    "max_tokens": { "type": "integer" }
  }
}