{"name":"HypeChain Backend API","version":"1.0.0","description":"AI-Powered NFT Marketplace Backend with Solana Pay","endpoints":{"health":"/health","createListing":"POST /api/create-listing","listingInfo":"GET /api/create-listing","createPayment":"POST /api/payments/create","cosignPurchase":"POST /api/payments/cosign-purchase","verifyPayment":"POST /api/payments/verify","paymentHistory":"GET /api/payments/history/:walletAddress","walletBalance":"GET /api/payments/balance/:walletAddress","getListingDetails":"GET /api/payments/listing/:listingId","activities":"GET /api/activities","nftHistory":"GET /api/nft/:mint/history","waitlistSignup":"POST /api/waitlist","waitlistExport":"GET /api/waitlist/export","heliusWebhook":"POST /api/webhooks/helius"},"documentation":"https://github.com/alin9661/HypeChain"}