The round was led by funds managed by Blackstone, with the participation of existing investors Insight Partners, SignalFire, Bloomberg Beta, and NextWorld Capital. This latest funding round takes the total amount raised by the company to over $148 million.

Stampli is a complete AP automation platform that brings together accounts payable communications, documentation, and payments in one place. By centering communications on top of the invoice itself, AP departments collaborate and communicate better with approvers, vendors, and anyone involved with purchases, allowing approvals to happen 5x faster. Stampli's AI, Billy the Bot, learns an organization's unique patterns to simplify GL and costing-related coding, automate approval and verification flows, identify duplicate invoices, and reduce time spent on manual data entry. Stampli's flexible platform fits seamlessly into any existing processes and integrates with financial systems, including NetSuite, Sage Intacct, QuickBooks, Microsoft Dynamics, SAP, and more.