{"name":"WhatsApp Multi-Instance API","version":"1.0.0","status":"running","endpoints":{"POST /instances":"Create a new WhatsApp instance","GET /instances":"List all instances","GET /instances/:id/qr":"Get QR code for instance","GET /instances/:id/status":"Get instance status","POST /instances/:id/sendMessage":"Send text message","POST /instances/:id/sendImage":"Send image with caption","POST /instances/:id/sendVideo":"Send video with caption","POST /instances/:id/sendAudio":"Send audio/voice message (PTT)","POST /instances/:id/sendFile":"Send document/file","POST /instances/:id/sendSticker":"Send sticker","POST /instances/:id/sendLocation":"Send location","POST /instances/:id/sendContact":"Send contact card","POST /instances/:id/sendToLid":"Send message to LID","GET /instances/:id/lid-mappings":"Get LID to phone mappings","POST /instances/:id/lid-mappings":"Add LID mapping","POST /instances/:id/restart":"Restart instance","DELETE /instances/:id":"Delete instance"}}