---
title: "Add SANs to ACME contract"
source_url: https://dev.digicert.com/partner-subscriptions-api/acme-contract-management/add-sans-to-acme-contract.html
api_method: PUT
api_endpoint: "/partner-subscription/api/v1/acme/<acme_contract_id>/sans"
api_url: "https://www.digicert.com/partner-subscription/api/v1/acme/{{acme_contract_id}}/sans"
---

**PUT** `https://www.digicert.com/partner-subscription/api/v1/acme/{{acme_contract_id}}/sans`

Use this endpoint to add Subject Alternative Names (SANs) to an existing ACME contract.


> **Warning**
>
> You cannot add SANs to a canceled ACME contract. If the contract has been canceled, this endpoint returns an error.


## Example requests and responses

**cURL**

```bash
curl -X PUT \
  https://www.digicert.com/partner-subscription/api/v1/acme/12345/sans \
  -H 'Content-Type: application/json' \
  -H 'X-PARTNER-APIKEY: {{subaccount_partner_api_key}}' \
  -d '{
    "sans": [
      "api.example.com",
      "admin.example.com"
    ]
}'
```


## 204 No Content

The SANs were added successfully. The response does not include a body.

## URL path and query parameters

<table class="params-table">
<thead>
<tr>
<th>Name</th>
<th>Req/Opt</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>acme_contract_id</td>
<td>required</td>
<td>integer</td>
<td>Unique identifier of the ACME contract to update.</td>
</tr>
</tbody>
</table>

## Request parameters

<table class="params-table">
<thead>
<tr>
<th>Name</th>
<th>Req/Opt</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>sans</td>
<td>required</td>
<td>array[string]</td>
<td>Array of domain names to add to the ACME contract.<br>Maximum: <code>250</code> SANs for the contract.</td>
</tr>
</tbody>
</table>

## Response parameters

This endpoint does not return response parameters.