MOUNTAIN VIEW, CA, Stampli, a leader in AI-powered accounts payable automation, today announced that it has raised $61 million in a Series D venture funding round. The round was led by funds managed by Blackstone, with the participation of existing investors Insight Partners, SignalFire, Bloomberg Beta, and NextWorld Capital. Stampli is a complete AP automation platform that brings together accounts payable communications, documentation, and payments in one place. Stamplis AI, Billy the Bot, learns an organizations 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. Stamplis flexible platform fits seamlessly into any existing processes and integrates with financial systems, including NetSuite, Sage Intacct, QuickBooks, Microsoft Dynamics, SAP, and more.