Salt Lake City-based Atomic, which offers APIs for payroll services, raises a $40M Series B led by Mercato and Greylock, five months after a $22M Series A (Mary Ann Azevedo/TechCrunch)

Mary Ann Azevedo / TechCrunch:
Salt Lake City-based Atomic, which offers APIs for payroll services, raises a $40M Series B led by Mercato and Greylock, five months after a $22M Series A  —  Atomic, a provider of payroll APIs, has raised $40 million in a Series B funding just five months after announcing its series A financing.