curl -X GET 'https://api.openai.com/v1/responses/response-id/input_items?limit=20&order=asc&after=example-after&include=example' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

# GET /responses/{response_id}/input_items (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Last verified: 2026-10-20

> List input items

## Critical Gotchas
* The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.
* Audio transcription uploads use multipart form data rather than a JSON request body.

## cURL
curl -X GET 'https://api.openai.com/v1/responses/response-id/input_items?limit=20&order=asc&after=example-after&include=example' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| response_id | path | string | Yes | The ID of the response to retrieve input items for. |
| limit | query | integer | No | A limit on the number of objects to be returned. Limit can range between 1 an... |
| order | query | string | No | The order to return the input items in. Default is `desc`. - `asc`: Return th... |
| after | query | string | No | An item ID to list items after, used in pagination.  |
| include | query | string[] | No | Additional fields to include in the response. See the `include` parameter for... |

## Response example
{"object":"list","data":[{}]}

---
Need an API key? Get one at https://platform.openai.com/api-keys

GET

GET /responses/{response_id}/input_items — OpenAI API

OpenAI API key (required); https://api.openai.com/v1

OpenAI API

List input items

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 286 tokens · Vary: Accept

Critical gotchas

The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.

Audio transcription uploads use multipart form data rather than a JSON request body.

cURL

curl -X GET 'https://api.openai.com/v1/responses/response-id/input_items?limit=20&order=asc&after=example-after&include=example' \  -H "Authorization: Bearer $OPENAI_API_KEY"

Parameters

Name	In	Type	Required	Description
response_id	path	string	Yes	The ID of the response to retrieve input items for.
limit	query	integer	No	A limit on the number of objects to be returned. Limit can range between 1 and 100, and the default is 20.
order	query	string	No	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.
after	query	string	No	An item ID to list items after, used in pagination.
include	query	string[]	No	Additional fields to include in the response. See the `include` parameter for Response creation above for more information.

Response 200 OK

{
  "object": "list",
  "data": [
    {
      "type": "message",
      "role": "user",
      "status": "in_progress",
      "content": [
        {
          "type": "input_text",
          "text": "string",
          "prompt_cache_breakpoint": {
            "mode": "[recursive or deeply nested schema]"
          }
        }
      ],
      "id": "string"
    }
  ],
  "has_more": true,
  "first_id": "string",
  "last_id": "string"
}

Get a free OpenAI API key → sponsored

Affiliate link - we may earn a commission, at no extra cost to you.