Live ChatGPT LLM Responses

Parameters

No path, query, or header parameters.

Request body

• user_promptstringRequired

  prompt for the AI model required field the question or task you want to send to the AI model; you can specify up to 500 characters in the user_prompt field

• model_namestringRequired

  name of the AI model required field model_nameconsists of the actual model name and version name; if the basic model name is specified, its latest version will be set by default; for example, if gpt-4.1 is specified, the gpt-4.1-2025-04-14 will be set as model_name automatically; you can receive the list of available LLM models by making a separate request to the https://api.dataforseo.com/v3/ai_optimization/chat_gpt/llm_responses/models

• max_output_tokensintegerOptional

  maximum number of tokens in the AI response optional field minimum value for reasoning models (e.g., reasoning is true in the Models endpoint): 1024; minimum value for non-reasoning models: 16; maximum value: 4096; default value: 2048 Note: if web_search is set to true or the reasoning model is specified in the request, the output token count may exceed the specified max_output_tokens limit

• temperaturenumberOptional

  randomness of the AI response optional field higher values make output more diverse; lower values make output more focused; minimum value: 0 maximum value: 2 default value: 0.94 Note: not supported in reasoning models

• top_pnumberOptional
• web_searchbooleanOptional

  enable web search optional field when enabled, the AI model can access and cite current web information; default value: false; Note: refer to the Models endpoint for a list of models that support web_search;

• force_web_searchbooleanOptional

  force AI agent to use web search optional field to enable this parameter, web_search must also be enabled; when enabled, the AI model is forced to access and cite current web information; default value: false; Note: even if the parameter is set to true, there is no guarantee web sources will be cited in the response Note #2: not supported in reasoning models

• web_search_country_iso_codestringOptional

  ISO country code of the location optional field required if web_search_city is specified; to enable this parameter, web_search must also be enabled; when enabled, the AI model will search the web from the country you specify; Note: not supported in o3-mini, o1-pro, o1 models

• web_search_citystringOptional

  city name of the location optional field Note: specify web_search_country_iso_code to use this parameter Note #2: not supported in o3-mini, o1-pro, o1 models

• system_messagestringOptional

  instructions for the AI behaviour optional field defines the AI's role, tone, or specific behavior you can specify up to 500 characters in the system_message field

• message_chainobject[]Optional

  conversation history optional field array of message objects representing previous conversation turns; each object must contain role and message parameters: role string with either user or ai role; message string with message content (max 500 characters); you can specify the maximum of 10 message objects in the array; example: "message_chain": [{"role":"user","message":"Hello, what’s up?"},{"role":"ai","message":"Hello! I’m doing well, thank you. How can I assist you today?"}]

• rolestringRequired

  Allowed values: user · ai

• messagestringRequired
• tagstringOptional

  user-defined task identifier optional field the character limit is 255 you can use this parameter to identify the task and match it with the result you will find the specified tag value in the data object of the response

curl -X POST "https://openapi.felo.ai/v1/beta/dataforseo/ai_optimization/chat_gpt/llm_responses/live" \
  -H "Authorization: Bearer $FELO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "user_prompt": "<string>",
  "model_name": "<string>",
  "max_output_tokens": 0,
  "temperature": 0,
  "top_p": 0,
  "web_search": false,
  "force_web_search": false,
  "web_search_country_iso_code": "<string>"
}'

Response