---
title: "Retrieve log for a specific sub DAG-run"
method: GET
path: "/dag-runs/{name}/{dagRunId}/sub-dag-runs/{subDAGRunId}/log"
tags: ["dag-runs"]
---

# Retrieve log for a specific sub DAG-run

`GET /dag-runs/{name}/{dagRunId}/sub-dag-runs/{subDAGRunId}/log`

## Request

- Base URL: `http://localhost/api/v1`
- URL: `http://localhost/api/v1/dag-runs/{name}/{dagRunId}/sub-dag-runs/{subDAGRunId}/log`
- Auth: one of:
  - HTTP bearer
  - HTTP basic
  - none

Fetches the log for an individual sub DAG-run

## Path parameters

- `name` string, regex, required: Name of the DAG
- `dagRunId` string, required: Unique identifier for the DAG-run. The special value 'latest' can be used to reference the most recent DAG-run.
- `subDAGRunId` string, required

## Query parameters

- `remoteNode` string
- `tail` integer
- `head` integer
- `offset` integer
- `limit` integer

## Response `200`

A successful response

- Log: Log information for the execution
  - `content` string, required: Log content
  - `lineCount` integer: Number of lines returned
  - `totalLines` integer: Total number of lines in the log file
  - `hasMore` boolean: Whether there are more lines available
  - `isEstimate` boolean: Whether the line count is an estimate

## Other responses

- `404`: Log file not found
- `default`: Generic error response

## Changes

> 208 revisions in range; 1 not diffed.

- **2026-09-30** (v1) `c87bb3f91e6e`: 2 warning
  - for the `query` request parameter `head`, the max was set to `10000.00`
  - for the `query` request parameter `tail`, the max was set to `10000.00`
- **2026-07-23** (v1) `75b8e91aaf57`: 6 warning
  - added the new `conflict` enum value to the `code` response property for the response status `404`
  - added the new `conflict` enum value to the `code` response property for the response status `default`
  - added the new `human_task_resume_failed` enum value to the `code` response property for the response status `404`
  - added the new `human_task_resume_failed` enum value to the `code` response property for the response status `default`
  - …2 more
- **2026-05-24** (v1) `8a2d5d3e9608`: 2 warning
  - added the new `rate_limited` enum value to the `code` response property for the response status `404`
  - added the new `rate_limited` enum value to the `code` response property for the response status `default`
- **2026-02-04** (v1) `a047d6ba27d5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/dagucloud/apis/dagu/changes/dag-runs/:name/:dagRunId/sub-dag-runs/:subDAGRunId/log/get.md)

---

[API](https://skmtc.dev/dagucloud/apis/dagu.md) - [All operations](https://skmtc.dev/dagucloud/apis/dagu/llms.txt) - [OpenAPI document](https://skmtc.dev/dagucloud/apis/dagu/revisions/742c8ecb39ce?raw)