# API How-Tos

The <code class="expression">space.vars.ionos\_cloud</code> Container Registry service allows you to manage Docker and OCI compatible registries for use by your managed Kubernetes clusters. Use a container registry to make sure you have a private registry to effectively support pulling images.

## Quick Links

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>GET Locations</strong></mark></td><td>Learn how to retrieve a container registry location.</td><td><a href="/pages/O6upg1UKRnyjJGuEe9BH">/pages/O6upg1UKRnyjJGuEe9BH</a></td></tr><tr><td><mark style="color:blue;"><strong>GET Registries</strong></mark></td><td>Learn how to retrieve existing registries.</td><td><a href="/pages/1zXNxdWrM6Gg8Ulico2G">/pages/1zXNxdWrM6Gg8Ulico2G</a></td></tr><tr><td><mark style="color:blue;"><strong>GET Registry by ID</strong></mark></td><td>Learn how to fetch registry information by ID.</td><td><a href="/pages/igz8TbSt0h7ojJ3NYcpd">/pages/igz8TbSt0h7ojJ3NYcpd</a></td></tr><tr><td><mark style="color:blue;"><strong>Create Container Registry</strong></mark></td><td>Learn how to create a new registry.</td><td><a href="/pages/IsVcEE6fWF3OA1r3jt6l">/pages/IsVcEE6fWF3OA1r3jt6l</a></td></tr><tr><td><mark style="color:blue;"><strong>Create Registry Token</strong></mark></td><td>Learn how to create a registry token.</td><td><a href="/pages/PLHwutvcggTR2RnxqzYu">/pages/PLHwutvcggTR2RnxqzYu</a></td></tr><tr><td><mark style="color:blue;"><strong>Delete Repository</strong></mark></td><td>Learn how to delete a repository.</td><td><a href="/pages/Za93SZKbaUxuZvRXzCtQ">/pages/Za93SZKbaUxuZvRXzCtQ</a></td></tr><tr><td><mark style="color:blue;"><strong>Delete Token</strong></mark></td><td>Learn how to delete a registry token.</td><td><a href="/pages/k3tgiiGZg7twWthMPz9G">/pages/k3tgiiGZg7twWthMPz9G</a></td></tr><tr><td><mark style="color:blue;"><strong>Delete Registry</strong></mark></td><td>Learn how to delete your container registry.</td><td><a href="/pages/0HPAzIbbDvZdxQs3xopK">/pages/0HPAzIbbDvZdxQs3xopK</a></td></tr></tbody></table>

## ContainerRegistry API - OpenAPI Specification

{% embed url="<https://api.ionos.com/docs/containerregistry/v1/>" %}
Click here for the OpenAPI Specification File
{% endembed %}

**Endpoint:** `https://api.ionos.com/containerregistries`

To make authenticated requests to the API, you must include a few fields in the request headers. Please find relevant descriptions below:

## Request parameter headers

| **Header**            | **Required** | **Type** | **Description**                                                                              |
| --------------------- | :----------: | :------: | -------------------------------------------------------------------------------------------- |
| **Authorization**     |      yes     |  string  | The `Bearer token`.                                                                          |
| **X-Contract-Number** |      no      |  integer | Users with more than one contract may apply this header to indicate the applicable contract. |
| **Content-Type**      |      yes     |  string  | Set this to `application/json`.                                                              |

## Examples

We use `curl` in our examples, as this tool is available on Windows 10, Linux, and macOS. If you encounter any problems, refer to our blog post about `curl` on Windows:

{% embed url="<https://www.ionos.com/digitalguide/server/tools/introduction-to-curl-in-linux>" %}

{% embed url="<https://www.ionos.com/digitalguide/server/tools/introduction-to-curl-in-windows>" %}


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

```
GET https://docs.ionos.com/cloud/containers/private-container-registry/api-howtos.md?ask=<question>
```

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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.