# Retrieve all IPSec Tunnels

Enables retrieving all IPSec Tunnels using pagination and optional filters.

To retrieve all the IPSec Tunnels, perform a `GET` request.

## Endpoint

Use a [<mark style="color:blue;">region-specific</mark>](/cloud/network-services/vpn-gateway/api-how-tos.md#endpoints) endpoint to retrieve all IPSec Tunnels: `https://vpn.{region}.ionos.com/ipsecgateways/{gatewayId}/tunnels`.

## Request

```bash
curl --location \
--request GET 'https://vpn.de-fra.ionos.com/ipsecgateways/66a114c7-2ddd-5119-9ddf-5a789f5a5a44/tunnels?limit=100&offset=0' \
--header 'Authorization: Bearer eyJ0eXAiOiJKV1QiLCJraWQiO'
```

{% tabs %}
{% tab title="Path Parameters" %}
Below is the list of optional Path Parameters:

| Query Parameters | Type    | Description                                                                                                                      | Example |
| ---------------- | ------- | -------------------------------------------------------------------------------------------------------------------------------- | ------- |
| `offset`         | integer | The first element (of the total list of elements) to include in the response. Use together with limit for pagination. Default: 0 | 0       |
| `limit`          | integer | The maximum number of elements to return. Use together with offset for pagination. Default: 100                                  | 100     |
| {% endtab %}     |         |                                                                                                                                  |         |

{% tab title="Request Header Parameters" %}
To make authenticated requests to the API, the following fields are mandatory in the request header:

| Header Parameters | Required | Type   | Description                                                                     |
| ----------------- | -------- | ------ | ------------------------------------------------------------------------------- |
| `Authorization`   | yes      | string | The Bearer token enables requests to authenticate using a JSON Web Token (JWT). |
| `Content-Type`    | no       | string | Set this to `application/json`.                                                 |
| {% endtab %}      |          |        |                                                                                 |
| {% endtabs %}     |          |        |                                                                                 |

## Response

**200 Successful operation**

```json
{
  "id": "0ef10f6b-8742-5e74-98ff-3e89354b1082",
  "type": "collection",
  "href": "/ipsecgateways/{gatewayId}/tunnels",
  "items": [
    {
      "id": "c28b2d3e-7b15-53ca-ae88-6ae9378d6efe",
      "type": "ipsectunnel",
      "href": "/ipsecgateways/{gatewayId}/tunnels/c28b2d3e-7b15-53ca-ae88-6ae9378d6efe",
      "metadata": {
        "createdDate": "2020-12-10T13:37:50+01:00",
        "createdBy": "ionos:identity:::users/87f9a82e-b28d-49ed-9d04-fba2c0459cd3",
        "createdByUserId": "87f9a82e-b28d-49ed-9d04-fba2c0459cd3",
        "lastModifiedDate": "2020-12-11T13:37:50+01:00",
        "lastModifiedBy": "ionos:identity:::users/87f9a82e-b28d-49ed-9d04-fba2c0459cd3",
        "lastModifiedByUserId": "87f9a82e-b28d-49ed-9d04-fba2c0459cd3",
        "resourceURN": "ionos:<product>:<location>:<contract>:<resource-path>",
        "status": "AVAILABLE",
        "statusMessage": null
      },
      "properties": {
        "name": "My Company Gateway Tunnel",
        "description": "Allows local subnet X to connect to virtual network Y.",
        "remoteHost": "vpn.mycompany.com",
        "auth": {
          "method": "PSK",
          "psk": {}
        },
        "ike": {
          "diffieHellmanGroup": "16-MODP4096",
          "encryptionAlgorithm": "AES256",
          "integrityAlgorithm": "SHA256",
          "lifetime": 86400
        },
        "esp": {
          "diffieHellmanGroup": "16-MODP4096",
          "encryptionAlgorithm": "AES256",
          "integrityAlgorithm": "SHA256",
          "lifetime": 3600
        },
        "cloudNetworkCIDRs": [
          "203.0.113.0/24"
        ],
        "peerNetworkCIDRs": [
          "198.51.100.0/24"
        ]
      }
    }
  ],
  "offset": 0,
  "limit": 42,
  "_links": {
    "prev": "http://PREVIOUS-PAGE-URI",
    "self": "http://THIS-PAGE-URI",
    "next": "http://NEXT-PAGE-URI"
  }
}
```

{% hint style="success" %}
**Result:** All existing IPSec Tunnels and their details are successfully obtained.
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.ionos.com/cloud/network-services/vpn-gateway/api-how-tos/retrieve-all-ipsec-tunnels.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.