---
title: "Compare Policy Versions"
method: GET
path: "/policies/compare"
tags: ["Policies"]
---

# Compare Policy Versions

`GET /policies/compare`

Compare two policy versions. Query params: version_a, version_b (policy version IDs).

## Query parameters

- `version_a` string, required
- `version_b` string, required

## Response `200`

Successful Response

- PolicyVersionCompareResponse — Response for comparing two policy versions.
  - `version_a` PolicyDBResponse, required — Response for a policy from the database.
    - `policy_id` string, required — Unique ID of the policy.
    - `policy_name` string, required — Name of the policy.
    - `version_number` integer — Version number of this policy.
    - `version_status` string — One of: draft, published, production.
    - `parent_version_id` string, nullable — Policy ID this version was cloned from.
    - `is_latest` boolean — True if this is the latest version by version_number.
    - `published_at` string, date-time, nullable — When this version was published.
    - `production_at` string, date-time, nullable — When this version was promoted to production.
    - `inherit` string, nullable — Parent policy name.
    - `description` string, nullable — Policy description.
    - `guardrails_add` string[] — Guardrails to add.
    - `guardrails_remove` string[] — Guardrails to remove.
    - `condition` object, nullable — Policy condition.
    - `pipeline` object, nullable — Optional guardrail pipeline.
    - `created_at` string, date-time, nullable — When the policy was created.
    - `updated_at` string, date-time, nullable — When the policy was last updated.
    - `created_by` string, nullable — Who created the policy.
    - `updated_by` string, nullable — Who last updated the policy.
  - `version_b` PolicyDBResponse, required — Response for a policy from the database.
    - `policy_id` string, required — Unique ID of the policy.
    - `policy_name` string, required — Name of the policy.
    - `version_number` integer — Version number of this policy.
    - `version_status` string — One of: draft, published, production.
    - `parent_version_id` string, nullable — Policy ID this version was cloned from.
    - `is_latest` boolean — True if this is the latest version by version_number.
    - `published_at` string, date-time, nullable — When this version was published.
    - `production_at` string, date-time, nullable — When this version was promoted to production.
    - `inherit` string, nullable — Parent policy name.
    - `description` string, nullable — Policy description.
    - `guardrails_add` string[] — Guardrails to add.
    - `guardrails_remove` string[] — Guardrails to remove.
    - `condition` object, nullable — Policy condition.
    - `pipeline` object, nullable — Optional guardrail pipeline.
    - `created_at` string, date-time, nullable — When the policy was created.
    - `updated_at` string, date-time, nullable — When the policy was last updated.
    - `created_by` string, nullable — Who created the policy.
    - `updated_by` string, nullable — Who last updated the policy.
  - `field_diffs` object — Field name -> {version_a: val, version_b: val} for differing fields.

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/sea-lion/apis/litellm-api.md) · [All operations](https://skmtc.net/sea-lion/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sea-lion/litellm-api/revisions/1e929292ddd5/schema)