Cello is a platform offering user recommendation programs for B2B SaaS products, designed to accelerate viral growth through user referrals. It streamlines user conversions into valuable growth channels for businesses with features such as seamless integration, simplified sharing options, flexible reward mechanisms, and real-time performance tracking tools. Cello supports direct integration with payment providers like Stripe for automated attribution and payment based on success. Moreover, it provides integration with CRM and RevOps tools to ensure data security and compliance.