Paid, the London-based startup founded by Outreach veteran Manny Medina, just closed a $21.6 million seed round led by Lightspeed to tackle a critical infrastructure gap: how AI agents get paid for the value they create.

The funding addresses a mathematical problem blocking enterprise AI adoption. Current billing models—per-user SaaS fees, unlimited usage, or API key access—break down when applied to autonomous agents that work continuously in the background without direct human oversight.