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Overview Models Agents Tools Audio & voice Production API reference

List items

conversations.items.list(conversation_id, **kwargs) -> SyncConversationCursorPage[ConversationItem]
GET
/conversations/{conversation_id}/items

List all items for a conversation with the given ID.

Parameters
conversation_id: str
after: Optional[str]

An item ID to list items after, used in pagination.

include: Optional[List[ResponseIncludable]]

Specify additional output data to include in the model response. Currently supported values are:

  • web_search_call.action.sources: Include the sources of the web search tool call.
  • code_interpreter_call.outputs: Includes the outputs of python code execution in code interpreter tool call items.
  • computer_call_output.output.image_url: Include image urls from the computer call output.
  • file_search_call.results: Include the search results of the file search tool call.
  • message.input_image.image_url: Include image urls from the input message.
  • message.output_text.logprobs: Include logprobs with assistant messages.
  • reasoning.encrypted_content: Includes an encrypted version of reasoning tokens in reasoning item outputs. This enables reasoning items to be used in multi-turn conversations when using the Responses API statelessly (like when the store parameter is set to false, or when an organization is enrolled in the zero data retention program).
limit: Optional[int]

A limit on the number of objects to be returned. Limit can range between 1 and 100, and the default is 20.

order: Optional[Literal["asc", "desc"]]

The order to return the input items in. Default is desc.

  • asc: Return the input items in ascending order.
  • desc: Return the input items in descending order.
Returns
ConversationItem

A single item within a conversation. The set of possible types are the same as the output type of a Response object.

One of the following:
class Message: …

A message to or from the model.

class ResponseFunctionToolCallItem: …

A tool call to run a function. See the function calling guide for more information.

class ResponseFunctionToolCallOutputItem: …
class ResponseFileSearchToolCall: …

The results of a file search tool call. See the file search guide for more information.

class ResponseFunctionWebSearch: …

The results of a web search tool call. See the web search guide for more information.

class ImageGenerationCall: …

An image generation request made by the model.

class ResponseComputerToolCall: …

A tool call to a computer use tool. See the computer use guide for more information.

class ResponseComputerToolCallOutputItem: …
class ResponseToolSearchCall: …
class ResponseToolSearchOutputItem: …
class AdditionalTools: …
class ResponseConfigurationUpdateItem: …

A configuration update for subsequent responses. Each setting stays in effect until a later update replaces that setting.

class ResponseReasoningItem: …

A description of the chain of thought used by a reasoning model while generating a response. Be sure to include these items in your input to the Responses API for subsequent turns of a conversation if you are manually managing context.

class Program: …
class ProgramOutput: …
class ResponseCompactionItem: …

A compaction item generated by the v1/responses/compact API.

class ResponseCodeInterpreterToolCall: …

A tool call to run code.

class LocalShellCall: …

A tool call to run a command on the local shell.

class LocalShellCallOutput: …

The output of a local shell tool call.

class ResponseFunctionShellToolCall: …

A tool call that executes one or more shell commands in a managed environment.

class ResponseFunctionShellToolCallOutput: …

The output of a shell tool call that was emitted.

class ResponseApplyPatchToolCall: …

A tool call that applies file diffs by creating, deleting, or updating files.

class ResponseApplyPatchToolCallOutput: …

The output emitted by an apply patch tool call.

class McpListTools: …

A list of tools available on an MCP server.

class McpApprovalRequest: …

A request for human approval of a tool invocation.

class McpApprovalResponse: …

A response to an MCP approval request.

class McpCall: …

An invocation of a tool on an MCP server.

class ResponseCustomToolCall: …

A call to a custom tool created by the model.

class ResponseCustomToolCallOutput: …

The output of a custom tool call from your code, being sent back to the model.

List items

from openai import OpenAI
client = OpenAI()

items = client.conversations.items.list("conv_123", limit=10)
print(items.data)
Response example
{
  "object": "list",
  "data": [
    {
      "type": "message",
      "id": "msg_abc",
      "status": "completed",
      "role": "user",
      "content": [
        {"type": "input_text", "text": "Hello!"}
      ]
    }
  ],
  "first_id": "msg_abc",
  "last_id": "msg_abc",
  "has_more": false
}
Returns Examples
Response example
{
  "object": "list",
  "data": [
    {
      "type": "message",
      "id": "msg_abc",
      "status": "completed",
      "role": "user",
      "content": [
        {"type": "input_text", "text": "Hello!"}
      ]
    }
  ],
  "first_id": "msg_abc",
  "last_id": "msg_abc",
  "has_more": false
}