Stampli | 10,841 followers on LinkedIn. Stampli is the software to run any procure-to-pay (P2P) process — and Billy is the AI employee that operates it for you | Stampli is the software to run any procure-to-pay (P2P) process — and Billy is the AI employee that operates it for you. We enable the complete P2P process from requisition to reconciliation for companies with organizational sophistication. Stampli handles the full complexity of real-world finance operations: dynamic workflows, multi-entity support, layered approvals, and all the collaboration that happens between departments.