© 2026 rostopay. All rights reserved. rostopay is a payment initiation and processing platform created, operated and managed by Sieve Technologies, Inc. rostopay and its trademarks are owned by Sieve Technologies, Inc., and rostopay is a registered DBA ("Doing Business As") of Sieve Technologies, Inc. Non-custodial biometric infrastructure, data handling and payment initiation are provided by Sieve. RTP, Fedwire and A2A payments are provided by licensed partner banks and money transmitters. Open finance services are provided by Plaid. rostopay never holds or stores customers' data, funds, or any other asset or transaction information.