“Can a dedicated authentication layer for payroll system integrations reduce friction and increase connectivity coverage for income/employment data access?”
Smartauth appears to be a product launched by Atomic (the payroll/income data connectivity platform) designed to enhance payroll system integrations. The product relates to authentication and connectivity for payroll systems. Evidence is extremely thin and no independent company profile, founding year, or funding history could be confirmed from the available search results.
Smartauth's payroll is powered by Atomic.
The Embedded Finance Index 2026 maps 2 layers in Smartauth's stack: Payroll (Atomic); Unified APIs (Atomic).
Get a read on where your own stack stands against Smartauth and the rest of its category — what they built versus bought, which providers they use, and where the gaps in your own strategy and competitive set actually are.