# API Reference source: https://developer.mastercard.com/traditional-fulfillment-service/documentation/api-reference/index.md ## Environment Domains {#environment-domains} * Sandbox * Production ```Sandbox https://sandbox.api.mastercard.com/loyalty/rewards ``` ```Production https://api.mastercard.com/loyalty/rewards ``` ## APIs {#apis} API Specification: `https://static.developer.mastercard.com/content/traditional-fulfillment-service/swagger/traditional-fulfillment-service-swagger.yaml`