Seller platform
Charge machines for your APIs, data, and compute. OpenPermit issues x402 + MPP challenges on your paid routes, verifies payment credentials, and records a signed receipt for every paid request.
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How to charge machines
- 01
- register a seller and resources: name, domain, prices, payment methods, minimum assurance
- 02
- add OpenPermit middleware to paid routes
app.use(openPermit.seller({ sellerId: 'seller_…' })) - 03
- unpaid requests get 402 challenges; paid retries verify the credential + emit signed receipts