{"resources":[{"scheme":"exact","network":"eip155:8453","maxAmountRequired":"100000","amount":"100000","resource":"https://graded.sh/v1/topup","description":"Graded x402 gateway: one MCP endpoint to discover quality-graded x402 services (ranked by real 30-day demand) and call them pay-per-use with prepaid credits. Top up 0.10 USDC per pack; the gateway fronts every upstream payment.","mimeType":"application/json","payTo":"0xa8B061d96F69426f11bcC807BfA00f0AF79541a7","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2","input":{"method":"POST","contentType":"application/json","schema":{"type":"object","properties":{},"description":"Authenticate with Authorization: Bearer <gwk_ key> (free at POST /v1/accounts). Each payment credits your gateway balance 1:1; spend it on any graded catalog service via MCP or POST /v1/call/:id."},"example":{}},"output":{"contentType":"application/json","example":{"ok":true,"credited":"0.1","balance":"0.2","mcp":"https://graded.sh/mcp"}}}}],"mcp":"https://graded.sh/mcp"}