# API Reference
source: https://developer.mastercard.com/eop-admin/documentation/api-reference/index.md

## Environment domains {#environment-domains}

* Sandbox
* Production

```Sandbox
https://sandbox.api.mastercard.com/loyalty/offers/eop
```

```Production
https://api.mastercard.com/loyalty/offers/eop
```

## APIs {#apis}


API Specification: `https://static.developer.mastercard.com/content/eop-admin/swagger/loyalty-offers-management-services.yaml`

## Next steps {#next-steps}

Now that you have an understanding of all the services endpoints, proceed to the [Integration and Testing](https://developer.mastercard.com/eop-admin/documentation/integration-and-testing/index.md) section to learn how to integrate and make sure you are ready to begin testing.