---
title: "List columns on a board"
method: GET
path: "/boards/{board_id}/columns"
tags: ["Boards"]
---

# List columns on a board

`GET /boards/{board_id}/columns`

## Request

- Base URL: `https://api-docs.jackhamr.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api-docs.jackhamr.ai/boards/{board_id}/columns`
- Auth: none declared

List the board's columns (each with its cards).

404 when the board is not found or outside the org.

## Path parameters

- `board_id` string, required

## Response `200`

Successful Response

- ColumnOut[]
  - `key` string, required
  - `title` string, required
  - `cards` CardOut[]
    - `id` string, required
    - `board_id` string, required
    - `org_task_number` integer, nullable
    - `title` string, required
    - `description` string, nullable
    - `column_key` string
    - `state` string
    - `owner` string
    - `skipped_count` integer
    - `priority` integer
    - `stages` string[], nullable
    - `assignee` AgentRef: Compact agent reference for team rosters / assignee chips.
      - `id` string, required
      - `name` string, required
      - `status` string, nullable
      - `clone_of_agent_id` string, nullable
    - `execution_mode` string, nullable
    - `model_id` string, nullable
    - `clone_idle_stop_minutes` integer, nullable
    - `clone_stop_on_done` boolean, nullable
    - `pipeline_run_id` string, nullable
    - `chat_session_id` string, nullable
    - `created_by` string, nullable
    - `comment_count` integer
    - `attachment_count` integer
    - `ready_at` string, date-time, nullable
    - `completed_at` string, date-time, nullable
    - `archived_at` string, date-time, nullable
    - `created_at` string, date-time, nullable
    - `updated_at` string, date-time, nullable
    - `is_projected` boolean

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/jackhamr/apis/jackhamr-api.md) · [All operations](https://skmtc.dev/jackhamr/apis/jackhamr-api/llms.txt) · [OpenAPI document](https://skmtc.dev/jackhamr/apis/jackhamr-api/revisions/f75d221481d8?raw)