---
title: "Deliver a question answer to the user's active chat session"
method: POST
path: "/assistant/chat/question"
tags: ["Chat"]
---

# Deliver a question answer to the user's active chat session

`POST /assistant/chat/question`

## Request

- Base URL: `https://api.mobilerun.ai`
- URL: `https://api.mobilerun.ai/assistant/chat/question`
- Auth: HTTP bearer

Deliver the user's answers to the agent's pending question for an in-flight turn. Idempotent via the `idempotency-key` header.

## Request body

- object
  - `questionId` string, required
  - `answers` array[], required
    - union[]
      - union
        - object
          - `label` string, required
        - object
          - `custom` string, required
        - object
          - `label` string, required
          - `custom` string, required

## Response `200`

Answer delivered

- object
  - `ok` true, required

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `404`: Not Found
- `413`: Request body exceeds the 256 KB cap for /chat/question
- `500`: Internal Server Error
- `502`: Failed to deliver the answer upstream

## Changes

- **2026-10-16** `4ad548c528a8`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/droidrun/apis/droidrun-cloud/changes/assistant/chat/question/post.md)

---

[API](https://skmtc.dev/droidrun/apis/droidrun-cloud.md) - [All operations](https://skmtc.dev/droidrun/apis/droidrun-cloud/llms.txt) - [OpenAPI document](https://skmtc.dev/droidrun/apis/droidrun-cloud/revisions/1cc95586c933?raw)