# API Reference
source: https://developer.mastercard.com/benefit-allocation-service-mtls/documentation/api-reference/index.md

## Environment Domains {#environment-domains}

* Sandbox
* Production

```Sandbox
https://mtf.services.mastercard.com/loyalty/benefits
```

```Production
https://services.mastercard.com/loyalty/benefits
```

## APIs {#apis}


API Specification: `https://static.developer.mastercard.com/content/benefit-allocation-service-mtls/swagger/spec-benefit-allocations.yaml`