--- title: "Changes to List versions of a policy" method: GET path: "/zones/{zone_id}/policies/{policy_id}/versions" --- # Changes to List versions of a policy `GET /zones/{zone_id}/policies/{policy_id}/versions` > Every recorded change to this operation, newest first. ## Timeline Changed in 5 of 25 revisions. - **2026-10-16** `0cfaff865771`: 16 breaking, 8 warning, 84 info - **2026-05-06** `82ca6e382f13`: 1 breaking - **2026-04-24** `fcab5a5e6cd0`: 2 breaking, 2 warning, 4 info - **2026-04-02** `aee6e66de0d3`: 2 info - **2026-03-16** `d3d69f45bfed`: 1 info ## Changes - **2026-10-16** `0cfaff865771`: 16 breaking, 8 warning, 84 info - the response property `details/items/field` became optional for the status `400` - the response property `details/items/field` became optional for the status `401` - the response property `details/items/field` became optional for the status `403` - the response property `details/items/field` became optional for the status `404` - the response property `details/items/field` became optional for the status `429` - the response property `details/items/field` became optional for the status `500` - the response property `details/items/field` became optional for the status `503` - the response property `details/items/field` became optional for the status `default` - the `details/items/code` response's property type changed from `string` to no type for status `400` - the `details/items/code` response's property type changed from `string` to no type for status `401` - the `details/items/code` response's property type changed from `string` to no type for status `403` - the `details/items/code` response's property type changed from `string` to no type for status `404` - the `details/items/code` response's property type changed from `string` to no type for status `429` - the `details/items/code` response's property type changed from `string` to no type for status `500` - the `details/items/code` response's property type changed from `string` to no type for status `503` - the `details/items/code` response's property type changed from `string` to no type for status `default` - added the new `not_implemented` enum value to the `code` response property for the response status `400` - added the new `not_implemented` enum value to the `code` response property for the response status `401` - added the new `not_implemented` enum value to the `code` response property for the response status `403` - added the new `not_implemented` enum value to the `code` response property for the response status `404` - added the new `not_implemented` enum value to the `code` response property for the response status `429` - added the new `not_implemented` enum value to the `code` response property for the response status `500` - added the new `not_implemented` enum value to the `code` response property for the response status `503` - added the new `not_implemented` enum value to the `code` response property for the response status `default` - added the enum value `user` to the property `items/` of the `query` request parameter `expand` - added the enum value `user` to the property `items/` of the `query` request parameter `expand[]` - added the optional property `items/items/archived_by_user` to the response with the `200` status - added the optional property `items/items/created_by_user` to the response with the `200` status - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `400` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `401` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `403` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `404` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `429` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `500` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `503` - added `#/components/schemas/pdp_ErrorCode, subschema #2` to the `details/items/code` response property `anyOf` list for the response status `default` - removed the `bad_request` enum value from the `details/items/code` response property for the response status `400` - removed the `bad_request` enum value from the `details/items/code` response property for the response status `401` - removed the `bad_request` enum value from the `details/items/code` response property for the response status `403` - removed the `bad_request` enum value from the `details/items/code` response property for the response status `404` - …68 more - **2026-05-06** `82ca6e382f13`: 1 breaking - for the `query` request parameter `format`, default value `json` was removed - **2026-04-24** `fcab5a5e6cd0`: 2 breaking, 2 warning, 4 info - for the `query` request parameter `after`, the minLength was increased from `0` to `1` - for the `query` request parameter `before`, the minLength was increased from `0` to `1` - for the `query` request parameter `after`, the maxLength was set to `255` - for the `query` request parameter `before`, the maxLength was set to `255` - added the new optional `query` request parameter `expand[]` - `query` request parameter `expand` was deprecated - added `#/components/schemas/pdp_PaginationCursor` to the `pagination/after_cursor` response property `allOf` list for the response status `200` - added `#/components/schemas/pdp_PaginationCursor` to the `pagination/before_cursor` response property `allOf` list for the response status `200` - **2026-04-02** `aee6e66de0d3`: 2 info - the endpoint scheme security `OAuth2` was added to the API - added the required property `items/items/owner_type` to the response with the `200` status - **2026-03-16** `d3d69f45bfed`: 1 info - endpoint added --- [Operation](https://skmtc.dev/keycardai/apis/untitled-api/docs/zones/:zone_id/policies/:policy_id/versions/get.md) - [API](https://skmtc.dev/keycardai/apis/untitled-api.md) - [Page](https://skmtc.dev/keycardai/apis/untitled-api/changes/zones/:zone_id/policies/:policy_id/versions/get)