Demonstrates sponsored transactions using Handler.relay({ feePayer: ... }) from accounts/server.
npx gitpick tempoxyz/accounts/examples/with-fee-payer
npm i
npm devA Cloudflare Tunnel is created automatically during development so the wallet iframe can reach the local fee-payer endpoint (required due to Chrome's Private Network Access policy).
Note
In production, set feePayer to your deployed worker URL — no tunnel needed.