# SCA Exemptions

Maximize a frictionless checkout experience by using issuer data insights to apply exemptions. Exemptions are supported for Visa, Mastercard and Maestro.<br><br> __Authentication header__
  ```
    Authorization: {your_credentials}
  ```
Replace `{your_credentials}` with your base64-encoded Basic Auth username and password given to your by your Implementation Manager. <br /> <br />
You **must** use the `Authorization` header for any request you send to our Exemptions API. <br><br> __Accept/Content-Type header__
  ```
  Content-Type: application/vnd.worldpay.exemptions-v1.hal+json
  Accept: application/vnd.worldpay.exemptions-v1.hal+json
  ```
  <br>

We use the Accept header to identify which version of our API you are using. You must use the Accept header for any request you send to our Exemptions API. <br><br> We require the Content-Type header if the request you're sending includes a request body, and if the HTTP method is a `POST` or a `PUT`. <br /><br />
__DNS whitelisting__ <br><br> Whitelist the following URLs:<br><br> * `https://try.access.worldpay-bsh.securedataplatform.com/`<br> * `https://access.worldpay-bsh.securedataplatform.com/`<br><br>
Please ensure you use DNS whitelisting, not explicit IP whitelisting.
{% admonition type="danger" name="Applying the exemption" %} You must apply the `riskProfile` from the exemption assessment response in the [Card Payments API](/products/card-payments/authorize-a-payment#sca-exemptions) to link the Worldpay payment and apply the exemption that was granted. 
See [applying the exemption](/products/sca-exemptions/assessment#applying-the-exemption) for details. {% /admonition %}

Version: 1
Metadata:
  - category: ["3DS","SCA Exemptions"]
  - business: ["Enterprise"]
  - catalog-list: true
  - generated: false

## Servers

Test (Try)
```
https://try.access.worldpay-bsh.securedataplatform.com
```

Live
```
https://access.worldpay-bsh.securedataplatform.com
```

## Security

### BasicAuth

Type: http
Scheme: basic

## Download OpenAPI description

[SCA Exemptions](https://worldpay-portal.eu.redocly.app/access/_bundle/products/sca-exemptions/@v1/openapi.yaml)

## Other

### Exemption assessment

 - [POST /exemptions/assessment](https://worldpay-portal.eu.redocly.app/access/products/sca-exemptions/openapi/other/assessment.md): Assess for exemption.