---
title: "GET /v2/list-systems"
method: GET
path: "/v2/list-systems"
---

# GET /v2/list-systems

`GET /v2/list-systems`

Lists systems.

## Query parameters

- `ouId` string
- `maxResults` integer — Pagination page size.
- `nextToken` string — Pagination token.

## Response `200`

Success

- ListSystemsResponse
  - `systemSummaries` SystemSummary[], required — The list of system summaries.
    - `systemId` string, required — System ID for cross-account use without exposing account structure.
    - `name` string, required — Resource name (used in ARN — no spaces allowed).
    - `systemArn` string — ARN identifier.
    - `userJourneysCount` integer — The number of user journeys in the system.
    - `servicesCount` integer — The number of services in the system.
    - `organizationId` string — Displayed only if caller has access.
    - `ouId` string — Displayed only if caller has access.
    - `createdAt` string, date-time — The timestamp when the system was created.
    - `updatedAt` string, date-time — The timestamp when the system was last updated.
  - `nextToken` string — Pagination token.

## Other responses

- `480` — InternalServerException
- `481` — ValidationException
- `482` — AccessDeniedException

---

[API](https://skmtc.net/aws/apis/resiliencehubv2.md) · [All operations](https://skmtc.net/aws/apis/resiliencehubv2/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/resiliencehubv2/versions/27331d252935/schema)