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

## Environment Domains {#environment-domains}

The Priceless Specials API provides a wide range of merchant offers in multiple languages for Mastercard cardholders.
* Sandbox
* Production

```server
https://sandbox.api.mastercard.com
```

```server
https://api.mastercard.com
```

Use "GET" to call the Priceless Specials API.

## Base path {#base-path}

/priceless/specials/platform/\*

## Swagger UI {#swagger-ui}


API Specification: `https://static.developer.mastercard.com/content/priceless-specials/swagger/priceless-specials.yaml`