{"message":"WhatsApp Bot PHP API","actions":{"generate_qr":"Generate QR code for client","get_qr":"Get QR code as base64","send_message":"Send WhatsApp message","status":"Check client status","disconnect":"Disconnect client","health":"Check bot health"},"usage":{"GET":"?action=generate_qr&client_id=test","POST":"action=send_message&client_id=test&number=1234567890&message=Hello"}}