{"service":"Base USDC Payment Verifier","version":"1.3.0","summary":"Verify that a Base / Base Sepolia transaction is a successful, confirmed native-USDC transfer to an expected recipient for an expected amount.","paid":{"method":"GET","path":"/verify","alsoAccepts":"POST (same fields as JSON body)","price":"$0.01 USDC","network":"eip155:8453","query":{"chain":"base","txHash":"<0x-prefixed 32-byte tx hash>","expectedTo":"<recipient address>","expectedAmount":"0.10"}},"mcp":{"endpoint":"/mcp","transport":"streamable-http","paidTool":"verify_usdc_payment","freeTool":"get_pricing"},"free":["/health","/pricing","/llms.txt","/docs","/docs.md","/mcp.md","/terms","/openapi.json","/.well-known/x402","/server.json","/bounty-check?address=&amount=&chain=base"]}