---
title: "Retire Lesson"
method: POST
path: "/datamates/{datamate_id}/lessons/{public_id}/retire"
tags: ["LEARNED_LESSONS"]
---

# Retire Lesson

`POST /datamates/{datamate_id}/lessons/{public_id}/retire`

## Request

- Base URL: `https://api.myaltimate.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.myaltimate.com/datamates/{datamate_id}/lessons/{public_id}/retire`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer

Owner: take a live lesson out of service.

## Path parameters

- `datamate_id` integer, required
- `public_id` string, required

## Request body

- ReviewLessonRequest
  - `expected_version` integer, required
  - `reason` string, nullable

## Response `200`

Successful Response

- LessonDetail: A lesson row in full, for the review UI. ``coexists`` is the stored annotation, not the projection a client receives.
  - `public_id` string, required
  - `lesson_key` string, required
  - `repo_identity` string, nullable
  - `store` string, required
  - `text` string, required
  - `tags` string[], required
  - `trigger_paths` string[], required
  - `pinned` boolean, required
  - `coexists` CoexistsRef[], required
    - `lesson_key` string, required
    - `source_text_hash` string, required
    - `target_text_hash` string, required
  - `helpful` integer, required
  - `harmful` integer, required
  - `applied` integer, required
  - `version` integer, required
  - `updated_at` string, date-time, required
  - `status` string, required
  - `change_type` string, required
  - `origin` string, required
  - `provenance` string, nullable
  - `status_reason` string, nullable
  - `created_by` integer, required
  - `created_by_name` string, nullable
  - `reviewed_by` integer, nullable
  - `reviewed_at` string, date-time, nullable
  - `created_at` string, date-time, required
  - `submission_hash` string, required
  - `content_hash` string, required
  - `replaces` ReplacedLesson[], required
    - `public_id` string, required
    - `version` integer, required
    - `lesson_key` string, required
    - `text` string, required
    - `status` string, required
    - `pinned` boolean, required
    - `tags` string[], required
    - `trigger_paths` string[], required

## Other responses

- `403`: Not the workspace's owner
- `404`: Workspace or lesson not found
- `409`: Changed since read, or refused
- `422`: Validation Error

## Changes

- **2026-10-14** `1b2d675195d7`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/myaltimate/apis/myaltimate-api/changes/datamates/:datamate_id/lessons/:public_id/retire/post.md)

---

[API](https://skmtc.dev/myaltimate/apis/myaltimate-api.md) - [All operations](https://skmtc.dev/myaltimate/apis/myaltimate-api/llms.txt) - [OpenAPI document](https://skmtc.dev/myaltimate/apis/myaltimate-api/revisions/727657ce54e9?raw)