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

## Environment Domains {#environment-domains}

* Production
* MTF
* Sandbox

```server
https://api.mastercard.com/global-processing/services
```

```server
https://mtf.api.mastercard.com/global-processing/services
```

```server
https://sandbox.api.mastercard.com/global-processing/services
```

## APIs {#apis}


API Specification: `https://static.developer.mastercard.com/content/mastercard-processing-mastercard/swagger/oas_mastercard_services.yaml`

## Next Steps {#next-steps}

Now that you have a good understanding of all the services endpoints, proceed to the [Integrate and test](https://developer.mastercard.com/mastercard-processing-mastercard/documentation/quick-start-guide/index.md#integrate-and-test) section to learn how to integrate and make sure you are ready to begin testing.