Run the $1 test

Real charge, capped at $1. Confirms Stripe MPP works end-to-end and that your agent's payment approvals allow at-least-$1 spend.

Command

Requires mppx and a Stripe payment method your agent can use (Shared Payment Token).

npx mppx https://agentpayground.com/api/test-buy --method GET

GET/api/test-buy→ 402 without payment

200{ status, accessUrl, receipt, … }