---
title: "Changes to POST /similar_trains"
method: POST
path: "/similar_trains"
---

# Changes to POST /similar_trains

`POST /similar_trains`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 11 of 443 revisions.

- **2025-12-03** `3fc17dc5ca39`: 2 warning
- **2025-10-06** `b359a0bc2956`: 3 breaking, 1 info
- **2025-09-24** `e5215740e711`: 2 info
- **2025-09-11** `793f00cf0928`: 2 breaking, 1 info
- **2025-09-01** `2c8bec7c8f36`: 4 breaking
- **2025-08-28** `e24613588f8a`: 1 breaking, 2 info
- **2025-08-14** `36a2a9af2010`: 5 breaking, 2 warning, 2 info
- **2025-08-11** `d7791f322d85`: 1 breaking, 1 info
- **2025-08-07** `8866958fa6af`: 2 breaking
- **2025-07-17** `c240342a046c`: 1 warning
- **2025-07-10** `112f336a5c45`: 1 info

## Changes

- **2025-12-03** `3fc17dc5ca39`: 2 warning
  - removed the request property `infra_id`
  - removed the request property `timetable_id`
- **2025-10-06** `b359a0bc2956`: 3 breaking, 1 info
  - the request property `rolling_stock/name` became not nullable
  - the request property `rolling_stock/speed_limit_tag` became not nullable
  - added `subschema #1, subschema #2` to the `similar_trains/items/train` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `similar_trains/items/train` response property `allOf` list for the response status `200`
- **2025-09-24** `e5215740e711`: 2 info
  - the request property `rolling_stock/name` became nullable
  - the request property `rolling_stock/name` became optional
- **2025-09-11** `793f00cf0928`: 2 breaking, 1 info
  - removed the required property `similar_trains/items/start_time` from the response with the `200` status
  - removed the required property `similar_trains/items/train_name` from the response with the `200` status
  - added the optional property `similar_trains/items/train` to the response with the `200` status
- **2025-09-01** `2c8bec7c8f36`: 4 breaking
  - the `similar_trains/items/begin` response's property type changed from `object` to `string` for status `200`
  - the `similar_trains/items/end` response's property type changed from `object` to `string` for status `200`
  - removed the required property `similar_trains/items/begin/id` from the response with the `200` status
  - removed the required property `similar_trains/items/end/id` from the response with the `200` status
- **2025-08-28** `e24613588f8a`: 1 breaking, 2 info
  - removed the required property `similar_trains/items/train_id` from the response with the `200` status
  - the response property `similar_trains/items/start_time` became required for the status `200`
  - added the required property `similar_trains/items/train_name` to the response with the `200` status
- **2025-08-14** `36a2a9af2010`: 5 breaking, 2 warning, 2 info
  - added the new required request property `waypoints/items/id`
  - removed the required property `similar_trains/items/begin/ch` from the response with the `200` status
  - removed the required property `similar_trains/items/begin/ci` from the response with the `200` status
  - removed the required property `similar_trains/items/end/ch` from the response with the `200` status
  - removed the required property `similar_trains/items/end/ci` from the response with the `200` status
  - removed the request property `waypoints/items/ch`
  - removed the request property `waypoints/items/ci`
  - added the required property `similar_trains/items/begin/id` to the response with the `200` status
  - added the required property `similar_trains/items/end/id` to the response with the `200` status
- **2025-08-11** `d7791f322d85`: 1 breaking, 1 info
  - removed the required property `similar_trains/items/train_name` from the response with the `200` status
  - added the required property `similar_trains/items/train_id` to the response with the `200` status
- **2025-08-07** `8866958fa6af`: 2 breaking
  - the response property `similar_trains/items/start_time` became nullable for the status `200`
  - the response property `similar_trains/items/start_time` became optional for the status `200`
- **2025-07-17** `c240342a046c`: 1 warning
  - the `waypoints/items/ci` request property's min was set to `0.00`
- **2025-07-10** `112f336a5c45`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/openrailassociation/apis/osrd-editoast/docs/similar_trains/post.md) - [API](https://skmtc.dev/openrailassociation/apis/osrd-editoast.md) - [Page](https://skmtc.dev/openrailassociation/apis/osrd-editoast/changes/similar_trains/post)