What it sells
cards for AI agents
Business model breakdown
Workflow: what inputs become what output?
Vault stores customers' cards so an agent can buy with passkey/voice approval; Issuing creates one-time or multi-use cards; Purchase Agent buys from Amazon, Walmart, DoorDash etc. via one API call; integrates with Kernel, Browserbase, Browser Use.
Economics: what it saves and how it charges
Vault free up to 5,000 users; Issuing is a flat monthly fee plus 1% revenue share on transactions; Purchase Agent per-request fee.
Distribution: how it reaches customers
Self-serve developer signup ("Get started", no sales call for Issuing) plus book-a-call and enterprise sales.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Summer 2026 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.