{"message":"XRPD NFT Backend API","version":"2.0.0","endpoints":{"health":"/api/health","nft-v2":"/api/v2/nft","wallet":"/api/wallet","webhook":"/api/webhook"},"status":"ready","features":["nft-minting","wallet-connection","xumm-webhooks","real-time-updates"],"activeEndpoints":{"GET /api/health":"Health check","POST /api/wallet/connect":"Connect wallet","GET /api/wallet/verify/:uuid":"Verify wallet connection","GET /api/wallet/data":"Get wallet data (auth required)","GET /api/wallet/nfts":"Get wallet NFTs (auth required)","GET /api/v2/nft/info":"Get collection info","GET /api/v2/nft/metadata/:tokenId":"Get NFT metadata","GET /api/v2/nft/status":"Get system status","POST /api/v2/nft/purchase":"Purchase NFT (rate limited)","POST /api/webhook/xumm":"XUMM webhook handler"}}