{"name":"X402 Million Pixels","description":"Buy pixel real estate on a public internet billboard using x402.","purchasesEnabled":true,"wall":{"totalPixels":1000000,"width":1000,"height":1000},"view":{"wall":"GET /api/wall","claims":"GET /api/claims","claim":"GET /api/claims/{claimId}"},"purchase":{"placement":"automatic","coordinatesSelectable":false,"reservationEndpoint":"POST /api/reservations","claimEndpoint":"POST /api/reservations/{reservationId}/claim","paymentProtocol":"x402","steps":["POST /api/reservations with width and height only.","Read the server-assigned placement and authoritative price.","POST claim metadata to /api/reservations/{reservationId}/claim using the returned reservation id.","If HTTP 402 is returned, satisfy the x402 payment requirement.","Retry the same POST to /api/reservations/{reservationId}/claim with the same JSON body and a PAYMENT-SIGNATURE header.","Store the returned claim id for later visibility checks with GET /api/claims/{claimId}."]},"docs":{"openapi":"/openapi.json","swaggerUi":"/docs"},"reservations":{"ttlSeconds":180,"maxPixelsPerReservation":10000,"maxActiveReservations":25,"placement":"automatic","coordinateSelection":false},"payment":{"protocol":"x402","priceDenomination":"USD","settlementAsset":"USDC","settlementNetwork":"eip155:8453","mode":"live"}}