merchant

S3 Merchant Link is a smartphone app that enables transaction processing with the S3 network.

Once your account is approved, you can log in to the S3 Merchant Link App and begin processing transactions.

The S3 Merchant Link app is available on both the Apple App Store™ and Google Play™.

Register

If you have not received an invitation email, or you want information on integrating your POS system with S3, please contact us.

Already have an account? Log in here.