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

Alert: **Please note that the encryption functionality for the Search API is currently not available in the Sandbox environment. We recommend that customers perform their encryption testing in the MTF environment. This will help in identifying any potential issues and ensure that the encryption works as expected before deploying in Production environment.**
API Specification: `https://static.developer.mastercard.com/content/mdes-customer-service/swagger/mdes-customer-service.yaml`