# Environment Domains source: https://developer.mastercard.com/payment-account-reference-inquiry/documentation/env-domains/index.md Note: Ensure that you add only the Payment Account Reference Inquiry service to your Mastercard Developers project to access all environments below. ## Global {#global} | **API Name** | **Endpoint** | |--------------|------------------------------------------------------------------------------| | Production | | | MTF | | | Sandbox | | ## India Region {#india-region} Note: **There is no Sandbox environment for India region. For testing, use the MTF environment.** | **API Name** | **Endpoint** | |--------------|-----------------------------------------------------------------------------| | Production | | | MTF | |