---
title: "Ask Question"
method: POST
path: "/ab_tests/{ab_test_id}/questions"
---

# Ask Question

`POST /ab_tests/{ab_test_id}/questions`

Ask a read-only follow-up question about an A/B test's report and traces.

## Path parameters

- `ab_test_id` string, required

## Request body

- AskABTestQuestionRequest — Request body for asking a follow-up question about an A/B test.
  - `conversation_id` string, uuid, nullable
  - `question` string, required

## Response `200`

Successful Response

- AskABTestQuestionResponse — Response for a single A/B analysis question.
  - `question` ABTestQuestionDTO, required — Persisted A/B analysis question and answer.
    - `id` string, required
    - `ab_test_id` string, required
    - `answer` string, nullable
    - `conversation_id` string, required
    - `citations` ABTestQuestionCitationDTO[]
      - `type` string, required
      - `branch` string, nullable
      - `call_id` string, nullable
      - `dimension_name` string, nullable
      - `incident_key` string, nullable
      - `session_id` string, nullable
      - `tool_name` string, nullable
    - `context_manifest` ABTestQuestionContextManifestDTO — Artifacts used by an A/B analysis answer.
      - `ab_test_id` string, required
      - `comparison_result_url` string, nullable
      - `full_traces_fetched` string[]
      - `missing_traces` string[]
      - `report_loaded` boolean
      - `sessions_considered` string[]
      - `truncated` boolean
    - `created_at` string, date-time, required
    - `error_message` string, nullable
    - `question` string, required
    - `status` string, required
    - `tool_calls` ABTestQuestionToolCallDTO[]
      - `tool_name` string, required
      - `arguments` object
      - `summary` string, required
      - `success` boolean

## Other responses

- `422` — Validation Error

---

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