--- title: "Changes to Partially update experiment" method: PATCH path: "/v1/experiment/{experiment_id}" --- # Changes to Partially update experiment `PATCH /v1/experiment/{experiment_id}` > Every recorded change to this operation, newest first. ## Timeline Changed in 6 of 101 revisions. - **2026-10-30** `8f5039399f77`: 25 breaking - **2026-04-25** `d51a7016439c`: 2 info - **2026-04-08** `a21b724fece9`: 4 info - **2025-06-17** `77a2d5797d94`: 2 info - **2024-09-30** `ac2727014d93`: 6 breaking, 1 info - **2024-05-06** `44b51ad3239a`: 19 breaking, 22 info ## Changes - **2026-10-30** `8f5039399f77`: 25 breaking - the request property `base_exp_id` became not nullable - the request property `dataset_id` became not nullable - the request property `dataset_version` became not nullable - the request property `description` became not nullable - the request property `internal_metadata` became not nullable - the request property `internal_metadata/additionalProperties/` became not nullable - the request property `internal_metadata/dataset_filter` became not nullable - the request property `internal_metadata/dataset_filter/additionalProperties/` became not nullable - the request property `metadata` became not nullable - the request property `metadata/additionalProperties/` became not nullable - the request property `name` became not nullable - the request property `parameters_id` became not nullable - the request property `parameters_version` became not nullable - the request property `public` became not nullable - the request property `repo_info` became not nullable - the request property `repo_info/author_email` became not nullable - the request property `repo_info/author_name` became not nullable - the request property `repo_info/branch` became not nullable - the request property `repo_info/commit` became not nullable - the request property `repo_info/commit_message` became not nullable - the request property `repo_info/commit_time` became not nullable - the request property `repo_info/dirty` became not nullable - the request property `repo_info/git_diff` became not nullable - the request property `repo_info/tag` became not nullable - the request property `tags` became not nullable - **2026-04-25** `d51a7016439c`: 2 info - added the new optional request property `internal_metadata` - added the optional property `internal_metadata` to the response with the `200` status - **2026-04-08** `a21b724fece9`: 4 info - added the new optional request property `parameters_id` - added the new optional request property `parameters_version` - added the optional property `parameters_id` to the response with the `200` status - added the optional property `parameters_version` to the response with the `200` status - **2025-06-17** `77a2d5797d94`: 2 info - added the new optional request property `tags` - added the optional property `tags` to the response with the `200` status - **2024-09-30** `ac2727014d93`: 6 breaking, 1 info - the response's body became nullable - the response's body became nullable - the response's body became nullable - the response's body became nullable - the response's body became nullable - the response property `metadata/additionalProperties/` became nullable for the status `200` - the request property `metadata/additionalProperties/` became nullable - **2024-05-06** `44b51ad3239a`: 19 breaking, 22 info - the response property `base_exp_id` became nullable for the status `200` - the response property `commit` became nullable for the status `200` - the response property `created` became nullable for the status `200` - the response property `dataset_id` became nullable for the status `200` - the response property `dataset_version` became nullable for the status `200` - the response property `deleted_at` became nullable for the status `200` - the response property `description` became nullable for the status `200` - the response property `metadata` became nullable for the status `200` - the response property `repo_info` became nullable for the status `200` - the response property `repo_info/author_email` became nullable for the status `200` - the response property `repo_info/author_name` became nullable for the status `200` - the response property `repo_info/branch` became nullable for the status `200` - the response property `repo_info/commit` became nullable for the status `200` - the response property `repo_info/commit_message` became nullable for the status `200` - the response property `repo_info/commit_time` became nullable for the status `200` - the response property `repo_info/dirty` became nullable for the status `200` - the response property `repo_info/git_diff` became nullable for the status `200` - the response property `repo_info/tag` became nullable for the status `200` - the response property `user_id` became nullable for the status `200` - the request property `base_exp_id` became nullable - the request property `dataset_id` became nullable - the request property `dataset_version` became nullable - the request property `description` became nullable - the request property `metadata` became nullable - the request property `name` became nullable - the request property `public` became nullable - the request property `repo_info` became nullable - the request property `repo_info/author_email` became nullable - the request property `repo_info/author_name` became nullable - the request property `repo_info/branch` became nullable - the request property `repo_info/commit` became nullable - the request property `repo_info/commit_message` became nullable - the request property `repo_info/commit_time` became nullable - the request property `repo_info/dirty` became nullable - the request property `repo_info/git_diff` became nullable - the request property `repo_info/tag` became nullable - added the media type `application/json` for the response with the status `400` - added the media type `application/json` for the response with the status `401` - added the media type `application/json` for the response with the status `403` - added the media type `application/json` for the response with the status `500` - …1 more --- [Operation](https://skmtc.dev/braintrustdata/apis/braintrust-api/docs/v1/experiment/:experiment_id/patch.md) - [API](https://skmtc.dev/braintrustdata/apis/braintrust-api.md) - [Page](https://skmtc.dev/braintrustdata/apis/braintrust-api/changes/v1/experiment/:experiment_id/patch)