UnionPayClient-Side Implementation JavaScript v3SDKCaret downCurrent Braintree SDKsAndroid v4iOS v6JavaScript v3Previous VersionsAndroid v3iOS v5JavaScript v2 availabilityThis integration for UnionPay has been deprecated, as UnionPay can now be processed as a credit card through their partnership with Discover.See our credit card guide for more information. Next Page: Server-side →