---
title: "Changes to Detail"
method: GET
path: "/api/v1/trajectories/{trajectory_id}"
---

# Changes to Detail

`GET /api/v1/trajectories/{trajectory_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 8 of 63 revisions.

- **2026-10-27** `3acee009f14f`: 1 info
- **2026-10-20** `d2a2f0337945`: 6 breaking
- **2026-10-19** `1b4f7d95e884`: 1 info
- **2026-10-16** `9213d826e063`: 2 info
- **2026-10-15** `b6eb5ddf06a9`: 1 breaking, 2 info
- **2026-10-04** `4dcc08e0c2e6`: 1 info
- **2026-09-18** `e11856a15565`: 1 breaking
- **2026-09-12** `c43361b7eb0a`: 5 info

## Changes

- **2026-10-27** `3acee009f14f`: 1 info
  - added the optional property `termination_subreason` to the response with the `200` status
- **2026-10-20** `d2a2f0337945`: 6 breaking
  - for the `query` request parameter `include_reward_components`, default value `false` was added
  - for the `query` request parameter `include_steps`, default value `false` was added
  - `query` request parameter `include_reward_components` list-of-types was narrowed by removing types `null`
  - `query` request parameter `include_steps` list-of-types was narrowed by removing types `null`
  - for the `query` request parameter `include_reward_components`, the type changed from no type to `boolean`
  - for the `query` request parameter `include_steps`, the type changed from no type to `boolean`
- **2026-10-19** `1b4f7d95e884`: 1 info
  - added the optional property `termination_reason` to the response with the `200` status
- **2026-10-16** `9213d826e063`: 2 info
  - added the new optional `query` request parameter `include_reward_components`
  - added the optional property `reward_components` to the response with the `200` status
- **2026-10-15** `b6eb5ddf06a9`: 1 breaking, 2 info
  - for the `query` request parameter `include_steps`, default value `true` was removed
  - `query` request parameter `include_steps` list-of-types was widened by adding types `null`
  - for the `query` request parameter `include_steps`, the type was generalized from `boolean` to no type
- **2026-10-04** `4dcc08e0c2e6`: 1 info
  - added the optional property `rollout/anyOf[subschema #1: TrajectoryRolloutStatus]/harness_diagnostic/anyOf[subschema #1: HarnessDiagnostic]/exception_messages` to the response with the `200` status
- **2026-09-18** `e11856a15565`: 1 breaking
  - response property `steps/items/messages/items/content` list-of-types was widened by adding types `array` to media type `application/json` of response `200`
- **2026-09-12** `c43361b7eb0a`: 5 info
  - added the optional property `policy_step` to the response with the `200` status
  - added the optional property `rollout` to the response with the `200` status
  - added the optional property `task_id` to the response with the `200` status
  - added the optional property `training_run_id` to the response with the `200` status
  - added the optional property `xid` to the response with the `200` status

---

[Operation](https://skmtc.dev/trajectory/apis/trajectory-api/docs/api/v1/trajectories/:trajectory_id/get.md) - [API](https://skmtc.dev/trajectory/apis/trajectory-api.md) - [Page](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/trajectories/:trajectory_id/get)