---
title: "Get version history of a test"
method: GET
path: "/api/v2/synthetics/tests/{public_id}/version_history"
tags: ["Synthetics"]
---

# Get version history of a test

`GET /api/v2/synthetics/tests/{public_id}/version_history`

Get the paginated version history for a Synthetic test.

## Path parameters

- `public_id` string, required

## Query parameters

- `last_version_number` integer
- `limit` integer

## Response `200`

OK

- SyntheticsTestVersionHistoryResponse — Response containing the paginated version history for a Synthetic test.
  - `data` SyntheticsTestVersionChangeData[] — List of version change records.
    - `attributes` SyntheticsTestVersionChangeAttributes — Attributes of a version change record.
      - `author_uuid` string — UUID of the user who created this version.
      - `change_metadata` SyntheticsTestVersionChangeMetadataItem[] — List of metadata describing individual changes in this version.
        - `action` string — The action that was performed (for example, `updated` or `created`).
        - `action_metadata` SyntheticsTestVersionActionMetadata — Object containing metadata about a change action.
          - `after_value` unknown
          - `before_value` unknown
          - `diff_patches` SyntheticsTestVersionDiffPatches[], nullable — List of diff patches for text changes.
            - `diffs` SyntheticsTestVersionDiffPatchDiff[] — List of individual diff operations.
              - …
            - `length1` integer — Length of the original text segment.
            - `length2` integer — Length of the modified text segment.
            - `start1` integer — Start position in the original text.
            - `start2` integer — Start position in the modified text.
          - `property_path` string — The dot-separated path of the property that was changed.
      - `version_number` integer — The sequential version number.
      - `version_payload_created_at` string, date-time — Timestamp of when this version was created.
    - `id` string — UUID of the version change record.
    - `type` 'version_metadata' — Type of the version metadata resource.
  - `meta` SyntheticsTestVersionHistoryMeta — Pagination metadata for a version history response.
    - `next_last_version_number` integer, nullable — The version number to use as the `last_version_number` query parameter to fetch the next page. `null` indicates there are no more pages.
    - `retention_period_in_days` integer — The number of days that version history is retained.

## Other responses

- `403` — API error response.
- `404` — API error response.
- `429` — Too many requests

---

[API](https://skmtc.dev/datadog/apis/api-v2.md) · [All operations](https://skmtc.dev/datadog/apis/api-v2/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/datadog/api-v2/revisions/da68bf029e4c/schema)
