{"protocolVersion":"0.3.0","name":"Storefront","description":"Search apps, music, podcasts and books in the iTunes catalog. Search the Apple catalog for apps, songs, albums, podcasts, movies and ebooks, or look one up by id. Prices, artwork, ratings and store links. Send a data part {\"skill\": \"<id>\", \"input\": {...}}; every call is paid in USDC on Arc via x402.","url":"https://arcusnetwork.co/a2a/storefront","preferredTransport":"JSONRPC","version":"1.0.0","provider":{"organization":"storefront.tools","url":"https://arcusnetwork.co/merchants/storefront"},"iconUrl":"https://arcusnetwork.co/brand/logo.png","documentationUrl":"https://arcusnetwork.co/merchants/storefront","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2","description":"Pay per call with x402 in USDC on Arc Mainnet. Settled gaslessly by the Arcus facilitator.","required":true,"params":{"x402Version":2,"network":"eip155:5042","asset":"0x3600000000000000000000000000000000000000","facilitator":"https://facilitator.arcusnetwork.co","payTo":"0xD9456463272fFaDF5951667225D6121901608124"}}]},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json"],"skills":[{"id":"search","name":"Search catalog","description":"Matches for a term in one media type. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: term (required): Search term. media (required; one of software, music, podcast, movie, ebook, audiobook, tvShow): Media type.","tags":["storefront","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"search\",\"input\":{\"term\":\"ledger wallet\",\"media\":\"software\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"lookup","name":"Lookup by id","description":"Full details for an iTunes or App Store id. Price: $0.001 USDC per call, settled on Arc Mainnet. Input: id (required): Item id.","tags":["storefront","x402","usdc","arc","fixed-price"],"examples":["{\"skill\":\"lookup\",\"input\":{\"id\":\"284882215\"}}"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]}],"erc8004":{"agentId":250,"agentRegistry":"eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"}}