The one-glance read on who they are and how they grow. Each point is verifiable from the receipts above.
Developer infrastructure for building AI voice agents that handle phone calls, now anchored by a headline enterprise win at Amazon Ring.
Founder-led and launch-driven at the outset, now layering a heavy enterprise paid-ads push on LinkedIn and Google.
~873,000 monthly visits (down 27.2% over the last 3 months) as of 2026-07-09, against 1M+ developers and 1B+ calls processed as of the May 2026 Series B.
As of 2026-07-09, LinkedIn tests lean on vertical-specific proof points, citing UnityAI's Medicare outreach results and Spring Venture Group's stack-compatible rollout.
Vapi turns each enterprise deployment into ad creative almost immediately, running named-customer case studies (Spring Venture Group, UnityAI, Amazon Ring) as LinkedIn cold-outreach copy rather than broad brand messaging.
Today's teardown is free to read in full. Go Pro to unlock every past teardown: the launch, build-in-public, and content breakdowns, the channel scores, the full play list, and the creative library.