# API Reference
source: https://developer.mastercard.com/easy-savings-specials/documentation/api-reference/index.md

## Environment domains {#environment-domains}

* Sandbox
* Production

```Sandbox
https://sandbox.sme.api.mastercard.com/easysavings/specials
```

```Production
https://sme.api.mastercard.com/easysavings/specials
```

## Swagger UI {#swagger-ui}


API Specification: `https://static.developer.mastercard.com/content/easy-savings-specials/swagger/offers-api-swagger.yml`

## Next steps {#next-steps}

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