---
title: "List Job Traces"
method: GET
path: "/v2/jobs/{job_id}/traces"
tags: ["jobs"]
---

# List Job Traces

`GET /v2/jobs/{job_id}/traces`

## Request

- Base URL: `https://api.hud.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.hud.ai/v2/jobs/{job_id}/traces`
- Auth: none declared

List traces belonging to a job.

## Path parameters

- `job_id` string, uuid, required

## Query parameters

- `limit` integer
- `offset` integer

## Response `200`

Successful Response

- PaginatedResponseTraceResponse
  - `items` TraceResponse[], required
    - `id` string, uuid, required
    - `job_id` string, uuid, required
    - `task_version_id` string, uuid, nullable
    - `task_slug` string, nullable
    - `instance_id` string, uuid, nullable
    - `inference_llm_model_id` string, uuid, nullable
    - `status` string, required
    - `reward` number, nullable
    - `stop_reason` 'done' | 'max_steps' | 'length' | 'timeout' | 'malformed_tool_call'
    - `views` integer
    - `error` string, nullable
    - `error_code` string, nullable
    - `error_source` 'user' | 'platform' | 'provider': Who is at fault for a failure. ``user``: the customer's input, account, environment, or agent code. ``platform``: HUD infrastructure or a broken platform invariant. ``provider``: a third-party dependency (cloud runtime, upstream LLM API).
    - `metadata` object
    - `start_time` string, date-time, nullable
    - `end_time` string, date-time, nullable
    - `created_at` string, date-time, required
  - `total` integer, required
  - `limit` integer, required
  - `offset` integer, required

## Other responses

- `400`: Invalid or malformed request
- `401`: Missing or invalid credentials
- `403`: Caller may not access this resource
- `404`: Referenced entity does not exist
- `409`: Resource already exists
- `422`: Validation Error
- `429`: Rate limit exceeded; wait at least Retry-After seconds
- `503`: The server is at capacity; retry after Retry-After seconds

## Changes

- **2026-10-09** `76e7e99cfcd1`: 2 info
  - added the non-success response with the status `429`
  - added the non-success response with the status `503`
- **2026-09-21** `74fedf0c50ba`: 2 warning
  - removed the optional property `errors/items/ctx` from the response with the `422` status
  - removed the optional property `errors/items/input` from the response with the `422` status
- **2026-09-16** `78e642d9de92`: 2 info
  - added the optional property `items/items/error_code` to the response with the `200` status
  - added the optional property `items/items/error_source` to the response with the `200` status
- **2026-09-16** `05b868460954`: 1 breaking, 9 info
  - the `detail` response's property type changed from `array` to `string` for status `422`
  - the response property `detail` became required for the status `422`
  - added the required property `error` to the response with the `422` status
  - added the required property `errors` to the response with the `422` status
  - …6 more

[Operation history](https://skmtc.dev/hud/apis/hud-platform/changes/v2/jobs/:job_id/traces/get.md)

---

[API](https://skmtc.dev/hud/apis/hud-platform.md) - [All operations](https://skmtc.dev/hud/apis/hud-platform/llms.txt) - [OpenAPI document](https://skmtc.dev/hud/apis/hud-platform/revisions/d642039f5fa6?raw)