---
title: "Changes to Test Cedar policy evaluation against real entities"
method: POST
path: "/zones/{zone_id}/policy-evaluations"
---

# Changes to Test Cedar policy evaluation against real entities

`POST /zones/{zone_id}/policy-evaluations`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 6 of 25 revisions.

- **2026-10-16** `0cfaff865771`: 14 breaking, 7 warning, 72 info
- **2026-08-26** `d65d51379d93`: 2 info
- **2026-07-01** `2f5033ed4491`: 2 info
- **2026-06-17** `1a0dd4d857ee`: 2 info
- **2026-04-24** `fcab5a5e6cd0`: 1 info
- **2026-04-02** `aee6e66de0d3`: 1 info

## Changes

- **2026-10-16** `0cfaff865771`: 14 breaking, 7 warning, 72 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 `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 `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 `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 new optional request property `acting_principal_id`
  - added the new optional request property `context/claims/acting_principal`
  - 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 `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 `429`
  - removed the `bad_request` enum value from the `details/items/code` response property for the response status `500`
  - removed the `bad_request` enum value from the `details/items/code` response property for the response status `503`
  - removed the `bad_request` enum value from the `details/items/code` response property for the response status `default`
  - removed the `conflict` enum value from the `details/items/code` response property for the response status `400`
  - removed the `conflict` enum value from the `details/items/code` response property for the response status `401`
  - removed the `conflict` enum value from the `details/items/code` response property for the response status `403`
  - …53 more
- **2026-08-26** `d65d51379d93`: 2 info
  - added the new optional request property `authority_type`
  - added the optional property `checks/items/determining_policies/items/rule_id` to the response with the `200` status
- **2026-07-01** `2f5033ed4491`: 2 info
  - added the optional property `checks` to the response with the `200` status
  - added the optional property `reason` to the response with the `200` status
- **2026-06-17** `1a0dd4d857ee`: 2 info
  - added the new optional request property `context/claims/actor/issuer_claims`
  - added the new optional request property `context/claims/subject/issuer_claims`
- **2026-04-24** `fcab5a5e6cd0`: 1 info
  - added the new optional request property `policy_source/manifest`
- **2026-04-02** `aee6e66de0d3`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/keycardai/apis/keycard-ai-keycard-api/docs/zones/:zone_id/policy-evaluations/post.md) - [API](https://skmtc.dev/keycardai/apis/keycard-ai-keycard-api.md) - [Page](https://skmtc.dev/keycardai/apis/keycard-ai-keycard-api/changes/zones/:zone_id/policy-evaluations/post)
