[User token](https://developers.vtex.com/docs/guides/api-authentication-using-user-tokens), valid for 24 hours.

VtexIdclientAutCookie

Unique identifier of the [application key](https://developers.vtex.com/docs/guides/api-authentication-using-application-keys).

X-VTEX-API-AppKey

Secret token of the [application key](https://developers.vtex.com/docs/guides/api-authentication-using-application-keys).

X-VTEX-API-AppToken

Message Center corresponds to [order transactional email templates](https://help.vtex.com/en/tutorial/order-transactional-email-templates--3g2S2kqBOoSGcCaqMYK2my). The store can configure templates to automatically send emails to customers and notify them about their order events, such as payment confirmation and shipping.

## Message Center API Index 

### DKIM configuration

- `POST` [Generate DKIM keys](https://developers.vtex.com/docs/api-reference/message-center-api#post-/api/mail-service/pvt/providers/-EmailProvider-/dkim)

Message Center API

Create [DKIM keys](https://developers.vtex.com/docs/guides/setting-up-dkim-for-transactional-emails) for a sender that was [set up](https://help.vtex.com/en/tracks/transactional-emails--6IkJwttMw5T84mlY9RifRP/42LVaxtFb2VHX9xTZU58qC) in VTEX mail servers. 

## Permissions

Any user or [application key](https://developers.vtex.com/docs/guides/api-authentication-using-application-keys) must have at least one of the appropriate [License Manager resources](https://help.vtex.com/en/tutorial/license-manager-resources--3q6ztrC8YynQf6rdc6euk3) to be able to successfully run this request. Otherwise they will receive a status code `403` error. These are the applicable resources for this endpoint:

| **Product** | **Category** | **Resource** |
| --------------- | ----------------- | ----------------- |
| Message Center | Providers | **Add or edit provider** |

There are no applicable [predefined roles](https://help.vtex.com/en/tutorial/predefined-roles--jGDurZKJHvHJS13LnO7Dy) for this resource list. You must [create a custom role](https://help.vtex.com/en/tutorial/roles--7HKK5Uau2H6wxE1rH5oRbc#creating-a-role) and add at least one of the resources above in order to use this endpoint. To learn more about machine authentication at VTEX, see [Authentication overview](https://developers.vtex.com/docs/guides/authentication).

>❗ To prevent integrations from having excessive permissions, consider the [best practices for managing app keys](https://help.vtex.com/en/tutorial/best-practices-application-keys--7b6nD1VMHa49aI5brlOvJm) when assigning License Manager roles to integrations.

Email address for the sender that was set up in VTEX mail servers.

EmailProvider

Name of the VTEX account. Used as part of the URL.

Environment to use. Used as part of the URL.

Create [DKIM keys](https://developers.vtex.com/docs/guides/setting-up-dkim-for-transactional-emails) for a sender that was [set up](https://help.vtex.com/en/tracks/transactional-emails--6IkJwttMw5T84mlY9RifRP/42LVaxtFb2VHX9xTZU58qC) in VTEX mail servers.

Generate DKIM keys

Message Center corresponds to [order transactional email templates](https://help.vtex.com/en/tutorial/order-transactional-email-templates--3g2S2kqBOoSGcCaqMYK2my). The store can configure templates to automatically send emails to customers and notify them about their order events, such as payment confirmation and shipping.