---
title: "Changes to List versions of the models"
method: GET
path: "/models/{model_id}/versions"
---

# Changes to List versions of the models

`GET /models/{model_id}/versions`

> Every recorded change to this operation, newest first.
> 34 revisions in range; 4 not diffed.

## Timeline

Changed in 8 of 34 revisions.

- **2026-07-17** `a1e12cbeeebc`: 10 info
- **2024-12-05** `14228a52f169`: 1 info
- **2024-03-01** `d877210ee347`: 2 breaking, 1 warning, 5 info
- **2024-01-26** `ab97b531bbc1`: 3 info
- **2024-01-23** `c3ef0b1c733b`: 1 info
- **2023-12-05** `d062ab20ef25`: 1 breaking
- **2021-01-08** `bd7c2eaf05f4`: 3 info
- **2020-09-28** `c4b3505de7df`: 1 breaking, 4 warning

## Changes

- **2026-07-17** `a1e12cbeeebc`: 10 info
  - added the optional property `items/endpoints/items/environment/default_resource_request/liveness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/environment/default_resource_request/readiness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/environment/default_transformer_resource_request/liveness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/environment/default_transformer_resource_request/readiness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/image_builder_resource_request/liveness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/image_builder_resource_request/readiness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/resource_request/liveness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/resource_request/readiness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/transformer/resource_request/liveness_probe` to the response with the `200` status
  - added the optional property `items/endpoints/items/transformer/resource_request/readiness_probe` to the response with the `200` status
- **2024-12-05** `14228a52f169`: 1 info
  - added the optional property `items/endpoints/items/model_observability` to the response with the `200` status
- **2024-03-01** `d877210ee347`: 2 breaking, 1 warning, 5 info
  - removed the required property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/RankingOutput]/prediction_group_id_column` from the response with the `200` status
  - removed the required property `items/model_schema/spec/prediction_id_column` from the response with the `200` status
  - removed the optional property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/BinaryClassificationOutput]/actual_label_column` from the response with the `200` status
  - added the optional property `items/model_schema/spec/feature_orders` to the response with the `200` status
  - added the optional property `items/model_schema/spec/row_id_column` to the response with the `200` status
  - added the optional property `items/model_schema/spec/session_id_column` to the response with the `200` status
  - the response property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/RegressionOutput]/actual_score_column` became required for the status `200`
  - added the required property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/BinaryClassificationOutput]/actual_score_column` to the response with the `200` status
- **2024-01-26** `ab97b531bbc1`: 3 info
  - the response property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/BinaryClassificationOutput]/output_class` became required for the status `200`
  - the response property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/RankingOutput]/output_class` became required for the status `200`
  - the response property `items/model_schema/spec/model_prediction_output/oneOf[#/components/schemas/RegressionOutput]/output_class` became required for the status `200`
- **2024-01-23** `c3ef0b1c733b`: 1 info
  - added the media type `*/*` for the response with the status `200`
- **2023-12-05** `d062ab20ef25`: 1 breaking
  - removed the media type `*/*` for the response with the status `200`
- **2021-01-08** `bd7c2eaf05f4`: 3 info
  - added the new optional `query` request parameter `cursor`
  - added the new optional `query` request parameter `limit`
  - added the new optional `query` request parameter `search`
- **2020-09-28** `c4b3505de7df`: 1 breaking, 4 warning
  - removed the media type `*/*` for the response with the status `200`
  - the optional response header `Next-Cursor` removed for the status `200`
  - deleted the `query` request parameter `cursor`
  - deleted the `query` request parameter `limit`
  - deleted the `query` request parameter `search`

---

[Operation](https://skmtc.dev/caraml-dev/apis/merlin/docs/models/:model_id/versions/get.md) - [API](https://skmtc.dev/caraml-dev/apis/merlin.md) - [Page](https://skmtc.dev/caraml-dev/apis/merlin/changes/models/:model_id/versions/get)