Salt

Human receipts for agents.

Works like Link, for a yes. Any website. Any agent. Fail closed until they tap. No email code. Not a wallet.

<script src="https://uneedsalt.com/js/salt.js"></script>

const rec = await Salt.yes({
  who: 'your-app',
  action: 'pay',
  to: 'vendor',
  amount: '12'
})
if (!rec) throw new Error('no')

Agents: salt.txt · /.well-known/human-receipt · MCP POST /api/salt/mcp