---
title: "Get hierarchical list of all boundaries with ADM1 nested under ADM0."
method: GET
path: "/api/v1/data/boundaries/list"
---

# Get hierarchical list of all boundaries with ADM1 nested under ADM0.

`GET /api/v1/data/boundaries/list`

Returns a complete list without pagination, including GeoJSON and TopoJSON
download URLs for both ADM0 and ADM1 levels. ADM1 boundaries are nested
under their parent ADM0 country.

Query Parameters:
- release_type: geoBoundaries release type
  (gbOpen, gbHumanitarian, gbAuthoritative, default: gbOpen)

Returns:
- 200: Hierarchical boundary list with download links organized by country
- 400: Invalid query parameters
- 500: Server error

Response Structure:
{
    "data": [
        {
            "boundaryISO": "USA",
            "boundaryName": "United States",
            "releaseType": "gbOpen",
            "adm0_geojson_url": "https://...",
            "adm0_topojson_url": "https://...",
            "adm1_geojson_url": "https://...",
            "adm1_topojson_url": "https://...",
            "admin1_units": [
                {
                    "shapeID": "66186276B98555229882405",
                    "shapeName": "Washington"
                },
                ...
            ]
        },
        ...
    ]
}

## Response `200`

Success

- object

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `500` — Internal Server Error

---

[API](https://skmtc.dev/trends/apis/trends-earth-api.md) · [All operations](https://skmtc.dev/trends/apis/trends-earth-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/trends/trends-earth-api/revisions/6bdbc0b84666/schema)
