ResponsesInputItem

A single structured input item in the OpenAI Responses input taxonomy.

rolestringrequired

The most recent user-role item supplies the prompt; the platform leaves full multi-turn reconstruction to previous_response_id.

Possible values: [user, assistant, system]

content object[]required

Array [

oneOf

• object
• object

typestringrequired

Possible values: [input_text]

textstringrequired

]

ResponsesInputItem

{
  "role": "user",
  "content": [
    {
      "type": "input_text",
      "text": "string"
    },
    {
      "type": "input_file",
      "file_id": "string"
    }
  ]
}