{"product":"Arbitrum MPP Wallet Preflight API","network":"Arbitrum One","payment":"MPP / EIP-3009 / USDC","priceRawUsdc":"100000","priceUsdc":"0.1","paidEndpoint":"/api/preflight/:address","transactionPreflight":"POST /v1/preflight","x402Preflight":"POST /x402/v1/preflight","mcp":"npm run mcp","discovery":["/openapi.json","/llms.txt","/.well-known/agent.json"]}