CapitalOS | 1,422 followers on LinkedIn. An embedded spend management solution. | CapitalOS is an embedded spend management infrastructure for B2B platforms, providing all the building blocks to launch within days. Our technology integrates with just a single API call, offering embedded white-labeled user-experience and charge cards (physical and virtual). By integrating CapitalOS, platforms create a new revenue stream, increase their customer's LTV, and avoid the extensive multi-year commitment and resource-intensive process of developing in-house service.