diff --git a/be/app/api.go b/be/app/api.go
new file mode 100644
index 0000000..694c1bd
--- /dev/null
+++ b/be/app/api.go
@@ -0,0 +1,67 @@
+package app
+
+import (
+	"be/app/helper"
+	"log"
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
+)
+
+func ApiCORS(w http.ResponseWriter, r *http.Request) (http.ResponseWriter, *http.Request) {
+	origin := r.Header.Get("Origin")
+
+	w.Header().Set("Access-Control-Allow-Origin", "http://localhost:5173")
+
+	if strings.HasPrefix(r.Host, "192.168.") {
+		log.Println("lan device")
+		w.Header().Set("Access-Control-Allow-Origin", origin)
+	}
+
+	w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
+	w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Accept, Accept-Language, Accept-Encoding")
+
+	return w, r
+}
+
+func ApiGet(w http.ResponseWriter, r *http.Request) {
+	file := "" // base directory
+
+	if r.URL.Path != "/" {
+		file = "../public" + r.URL.Path // request
+	}
+	contentType := mime.TypeByExtension(filepath.Ext(file)) // get content type
+
+	if contentType != "" {
+		w.Header().Set("Content-Type", contentType) // set content type header
+	}
+
+	if contentType == "" {
+		file = "../public/index.html" // default
+	}
+
+	// log.Println("GET:", file)
+
+	http.ServeFile(w, r, file) // serve file
+}
+
+func ApiPost(w http.ResponseWriter, r *http.Request) {
+
+	if !helper.EndpointAccess(w, r) {
+		return
+	}
+
+	switch r.URL.Path {
+	case "/macro/record":
+		SaveMacro(w, r)
+	case "/macro/list":
+		ListMacros(w, r)
+	case "/macro/delete":
+		DeleteMacro(w, r)
+	case "/macro/play":
+		PlayMacro(w, r)
+	case "/device/list":
+		DeviceList(w, r)
+	}
+}
diff --git a/be/app/device.go b/be/app/device.go
new file mode 100644
index 0000000..aaac1a3
--- /dev/null
+++ b/be/app/device.go
@@ -0,0 +1,69 @@
+package app
+
+import (
+	"be/app/structs"
+	"encoding/json"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func DeviceList(w http.ResponseWriter, r *http.Request) {
+	log.Println("device list")
+	dir := "devices"
+	files, err := os.ReadDir(dir)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	devices := make(map[string]map[string]interface{})
+
+	for _, file := range files {
+		filePath := dir + "/" + file.Name()
+		ext := filepath.Ext(filePath)
+		device := strings.TrimSuffix(file.Name(), ext)
+
+		log.Println(device, ext)
+
+		if _, ok := devices[device]; !ok {
+			devices[device] = make(map[string]interface{})
+		}
+
+		if ext == ".json" {
+			devices[device]["settings"] = readDeviceSettings(filePath)
+		}
+		if ext == ".pem" {
+			devices[device]["key"] = true
+		}
+	}
+
+	result := map[string]interface{}{
+		"devices": devices,
+	}
+
+	json.NewEncoder(w).Encode(result)
+}
+
+func readDeviceSettings(filepath string) (settings structs.Settings) {
+	data, err := os.ReadFile(filepath)
+	if err != nil {
+		log.Println(err)
+	}
+
+	err = json.Unmarshal(data, &settings)
+	if err != nil {
+		log.Println(err)
+	}
+	log.Println(settings)
+	return settings
+}
+
+func DeviceAccess(w http.ResponseWriter, r *http.Request) bool {
+	return true
+}
+
+func DeviceAuth(w http.ResponseWriter, r *http.Request) bool {
+	return true
+}
diff --git a/be/app/helper/api-helper.go b/be/app/helper/api-helper.go
new file mode 100644
index 0000000..b707cf8
--- /dev/null
+++ b/be/app/helper/api-helper.go
@@ -0,0 +1,74 @@
+package helper
+
+import (
+	"log"
+	"net"
+	"net/http"
+	"strings"
+
+	. "be/app/structs"
+)
+
+func EndpointAccess(w http.ResponseWriter, r *http.Request) bool {
+	log.Println("endpoint access")
+
+	ip, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if (isLocal(ip) && isEndpointAllowed("Local", r.URL.Path)) ||
+		(isLanRemote(ip) && isEndpointAllowed("Remote", r.URL.Path)) {
+		log.Println("accessible")
+		return true
+	} else if isLanRemote(ip) && isEndpointAllowed("auth", r.URL.Path) && isDeviceAuthorized() {
+		log.Println("authorized")
+	}
+
+	log.Println(r.URL.Path, "not authorized or accessible")
+
+	return false
+}
+
+func isLocal(ip string) bool {
+	return ip == "127.0.0.1" || ip == "::1"
+}
+
+func isLanRemote(ip string) bool {
+	return strings.HasPrefix(ip, "192.168.")
+}
+
+func isEndpointAllowed(source string, endpoint string) bool {
+	var endpoints, err = getAllowedEndpoints(source)
+	if err != "" {
+		log.Println(err)
+	}
+
+	if (endpoints != nil) && (len(endpoints) > 0) {
+		for _, e := range endpoints {
+			if e == endpoint {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+func getAllowedEndpoints(source string) (endpoints []string, err string) {
+	if source == "Local" {
+		return Endpoints.Local, ""
+	}
+	if source == "Remote" {
+		return Endpoints.Remote, ""
+	}
+	if source == "Auth" {
+		return Endpoints.Auth, ""
+	}
+
+	return []string{}, "No allowed endpoints"
+}
+
+func isDeviceAuthorized() bool {
+	return false
+}
diff --git a/be/app/helper/browser-helper.go b/be/app/helper/browser-helper.go
new file mode 100644
index 0000000..579bc9e
--- /dev/null
+++ b/be/app/helper/browser-helper.go
@@ -0,0 +1,23 @@
+package helper
+
+import (
+	"os/exec"
+	"runtime"
+)
+
+func OpenBrowser(url string) bool {
+	var args []string
+
+	switch runtime.GOOS {
+	case "darwin":
+		args = []string{"open"}
+	case "windows":
+		args = []string{"cmd", "/c", "start"}
+	default:
+		args = []string{"xdg-open"}
+	}
+
+	cmd := exec.Command(args[0], append(args[1:], url)...)
+
+	return cmd.Start() == nil
+}
diff --git a/be/app/helper/macro-helper.go b/be/app/helper/macro-helper.go
new file mode 100644
index 0000000..ec6a94a
--- /dev/null
+++ b/be/app/helper/macro-helper.go
@@ -0,0 +1,64 @@
+package helper
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"regexp"
+	"strings"
+	"time"
+
+	"be/app/structs"
+
+	"github.com/go-vgo/robotgo"
+)
+
+func FormatMacroFileName(s string) string {
+	// Remove invalid characters
+	re := regexp.MustCompile(`[\/\?\*\>\<\:\\"\|\n]`)
+	s = re.ReplaceAllString(s, "")
+
+	// Replace spaces with underscores
+	s = strings.ReplaceAll(s, " ", "_")
+
+	// Remove special characters
+	re = regexp.MustCompile(`[!@#$%^&\(\)\[\]\{\}\~]`)
+	s = re.ReplaceAllString(s, "")
+
+	// Truncate the string
+	if len(s) > 255 {
+		s = s[:255]
+	}
+
+	return s
+}
+
+func ReadMacroFile(filename string) (steps []structs.Step, err error) {
+	log.Println(filename)
+
+	content, err := os.ReadFile(filename)
+
+	if err != nil {
+		log.Fatal("Error when opening file: ", err)
+	}
+
+	err = json.Unmarshal(content, &steps)
+
+	return steps, err
+}
+
+func RunMacroSteps(steps []structs.Step) {
+	for _, step := range steps {
+		// log.Println(step)
+		switch step.Type {
+		case "key":
+			robotgo.KeyToggle(step.Key, step.Direction)
+			// log.Println("Toggling", step.Key, "to", step.Direction)
+		case "delay":
+			time.Sleep(time.Duration(step.Location) * time.Millisecond)
+			// log.Println("Sleeping for", step.Value, "milliseconds")
+		default:
+			log.Println("Unknown step type:", step.Type)
+		}
+	}
+}
diff --git a/be/app/macro.go b/be/app/macro.go
new file mode 100644
index 0000000..7045896
--- /dev/null
+++ b/be/app/macro.go
@@ -0,0 +1,88 @@
+package app
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"be/app/helper"
+	"be/app/structs"
+)
+
+func SaveMacro(w http.ResponseWriter, r *http.Request) {
+	var newMacro structs.NewMacro
+
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		panic(err)
+	}
+
+	log.Println(string(body))
+
+	err = json.Unmarshal(body, &newMacro)
+	if err != nil {
+		panic(err)
+	}
+
+	stepsJSON, err := json.Marshal(newMacro.Steps)
+	if err != nil {
+		panic(err)
+	}
+
+	err = os.WriteFile("../macros/"+helper.FormatMacroFileName(newMacro.Name)+".json", stepsJSON, 0644)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func ListMacros(w http.ResponseWriter, r *http.Request) {
+	log.Println("listing macros")
+	dir := "../macros"
+	files, err := os.ReadDir(dir)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var fileNames []string
+
+	for _, file := range files {
+		filename := filepath.Base(file.Name())
+		filename = strings.TrimSuffix(filename, filepath.Ext(filename))
+		filename = strings.Replace(filename, "_", " ", -1)
+
+		fileNames = append(fileNames, filename)
+	}
+
+	json.NewEncoder(w).Encode(fileNames)
+}
+
+func DeleteMacro(w http.ResponseWriter, r *http.Request) {}
+
+func PlayMacro(w http.ResponseWriter, r *http.Request) {
+	var req structs.MacroRequest
+
+	err := json.NewDecoder(r.Body).Decode(&req)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	macro := req.Macro
+
+	var filename = helper.FormatMacroFileName(macro)
+	var filepath = fmt.Sprintf("../macros/%s.json", filename)
+
+	macroFile, err := helper.ReadMacroFile(filepath)
+	if err != nil {
+		fmt.Println(err)
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	helper.RunMacroSteps(macroFile)
+}
diff --git a/be/app/structs/api-struct.go b/be/app/structs/api-struct.go
new file mode 100644
index 0000000..ba7883a
--- /dev/null
+++ b/be/app/structs/api-struct.go
@@ -0,0 +1,25 @@
+package structs
+
+type Allowed struct {
+	Local  []string
+	Remote []string
+	Auth   []string
+}
+
+var Endpoints = Allowed{
+	Local: []string{
+		"/macro/record",
+		"/macro/list",
+		"/macro/delete",
+		"/macro/play",
+		"/device/list",
+	},
+	Remote: []string{
+		"/macro/list",
+		"/device/access",
+		"/device/auth",
+	},
+	Auth: []string{
+		"/macro/play",
+	},
+}
diff --git a/be/app/structs/device-struct.go b/be/app/structs/device-struct.go
new file mode 100644
index 0000000..7fc1764
--- /dev/null
+++ b/be/app/structs/device-struct.go
@@ -0,0 +1,6 @@
+package structs
+
+type Settings struct {
+	Name string `json:"name"`
+	Type string `json:"type"`
+}
diff --git a/be/app/structs/macro-struct.go b/be/app/structs/macro-struct.go
new file mode 100644
index 0000000..a22fa1b
--- /dev/null
+++ b/be/app/structs/macro-struct.go
@@ -0,0 +1,19 @@
+package structs
+
+type MacroRequest struct {
+	Macro string `json:"macro"`
+}
+
+type Step struct {
+	Type      string `json:"type"`
+	Key       string `json:"key"`
+	Code      string `json:"code"`
+	Location  int    `json:"location"`
+	Direction string `json:"direction"`
+	Value     int    `json:"value"`
+}
+
+type NewMacro struct {
+	Name  string `json:"name"`
+	Steps []Step `json:"steps"`
+}
diff --git a/be/devices/test_device.json b/be/devices/test_device.json
new file mode 100644
index 0000000..e622440
--- /dev/null
+++ b/be/devices/test_device.json
@@ -0,0 +1 @@
+{ "name": "moto g84 5G", "type": "phone" }
diff --git a/be/devices/test_device.pem b/be/devices/test_device.pem
new file mode 100644
index 0000000..e69de29
diff --git a/be/devices/test_device_2.json b/be/devices/test_device_2.json
new file mode 100644
index 0000000..59b558e
--- /dev/null
+++ b/be/devices/test_device_2.json
@@ -0,0 +1 @@
+{ "name": "Samsung Galaxy A-tab 8\"", "type": "tablet" }
diff --git a/be/go.mod b/be/go.mod
index cc5a514..792a86d 100644
--- a/be/go.mod
+++ b/be/go.mod
@@ -1,3 +1,32 @@
-module example.com/m
+module be
 
 go 1.24.0
+
+require (
+	github.com/dblohm7/wingoes v0.0.0-20240820181039-f2b84150679e // indirect
+	github.com/ebitengine/purego v0.8.2 // indirect
+	github.com/gen2brain/shm v0.1.1 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-vgo/robotgo v0.110.6 // indirect
+	github.com/godbus/dbus/v5 v5.1.0 // indirect
+	github.com/jezek/xgb v1.1.1 // indirect
+	github.com/kbinani/screenshot v0.0.0-20250118074034-a3924b7bbc8c // indirect
+	github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 // indirect
+	github.com/lxn/win v0.0.0-20210218163916-a377121e959e // indirect
+	github.com/otiai10/gosseract v2.2.1+incompatible // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
+	github.com/robotn/xgb v0.10.0 // indirect
+	github.com/robotn/xgbutil v0.10.0 // indirect
+	github.com/shirou/gopsutil/v4 v4.25.1 // indirect
+	github.com/tailscale/win v0.0.0-20250213223159-5992cb43ca35 // indirect
+	github.com/tklauser/go-sysconf v0.3.14 // indirect
+	github.com/tklauser/numcpus v0.9.0 // indirect
+	github.com/vcaesar/gops v0.40.0 // indirect
+	github.com/vcaesar/imgo v0.40.2 // indirect
+	github.com/vcaesar/keycode v0.10.1 // indirect
+	github.com/vcaesar/tt v0.20.1 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	golang.org/x/exp v0.0.0-20250215185904-eff6e970281f // indirect
+	golang.org/x/image v0.24.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+)
diff --git a/be/go.sum b/be/go.sum
new file mode 100644
index 0000000..d02c77e
--- /dev/null
+++ b/be/go.sum
@@ -0,0 +1,61 @@
+github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298/go.mod h1:D+QujdIlUNfa0igpNMk6UIvlb6C252URs4yupRUV4lQ=
+github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966/go.mod h1:Mid70uvE93zn9wgF92A/r5ixgnvX8Lh68fxp9KQBaI0=
+github.com/dblohm7/wingoes v0.0.0-20240820181039-f2b84150679e h1:L+XrFvD0vBIBm+Wf9sFN6aU395t7JROoai0qXZraA4U=
+github.com/dblohm7/wingoes v0.0.0-20240820181039-f2b84150679e/go.mod h1:SUxUaAK/0UG5lYyZR1L1nC4AaYYvSSYTWQSH3FPcxKU=
+github.com/ebitengine/purego v0.8.2 h1:jPPGWs2sZ1UgOSgD2bClL0MJIqu58nOmIcBuXr62z1I=
+github.com/ebitengine/purego v0.8.2/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/gen2brain/shm v0.1.1 h1:1cTVA5qcsUFixnDHl14TmRoxgfWEEZlTezpUj1vm5uQ=
+github.com/gen2brain/shm v0.1.1/go.mod h1:UgIcVtvmOu+aCJpqJX7GOtiN7X2ct+TKLg4RTxwPIUA=
+github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
+github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
+github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
+github.com/go-vgo/robotgo v0.110.6 h1:1tOxlmTXYg6F3Xs8IT++331MxY2nZ+Q3B6eW312llbo=
+github.com/go-vgo/robotgo v0.110.6/go.mod h1:eBUjTHY1HYjzdi1+UWJUbxB+b9gE+l4Ei7vQU/9SnLw=
+github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk=
+github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/jezek/xgb v1.1.1 h1:bE/r8ZZtSv7l9gk6nU0mYx51aXrvnyb44892TwSaqS4=
+github.com/jezek/xgb v1.1.1/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
+github.com/kbinani/screenshot v0.0.0-20250118074034-a3924b7bbc8c h1:1IlzDla/ZATV/FsRn1ETf7ir91PHS2mrd4VMunEtd9k=
+github.com/kbinani/screenshot v0.0.0-20250118074034-a3924b7bbc8c/go.mod h1:Pmpz2BLf55auQZ67u3rvyI2vAQvNetkK/4zYUmpauZQ=
+github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 h1:7UMa6KCCMjZEMDtTVdcGu0B1GmmC7QJKiCCjyTAWQy0=
+github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683/go.mod h1:ilwx/Dta8jXAgpFYFvSWEMwxmbWXyiUHkd5FwyKhb5k=
+github.com/lxn/win v0.0.0-20210218163916-a377121e959e h1:H+t6A/QJMbhCSEH5rAuRxh+CtW96g0Or0Fxa9IKr4uc=
+github.com/lxn/win v0.0.0-20210218163916-a377121e959e/go.mod h1:KxxjdtRkfNoYDCUP5ryK7XJJNTnpC8atvtmTheChOtk=
+github.com/otiai10/gosseract v2.2.1+incompatible h1:Ry5ltVdpdp4LAa2bMjsSJH34XHVOV7XMi41HtzL8X2I=
+github.com/otiai10/gosseract v2.2.1+incompatible/go.mod h1:XrzWItCzCpFRZ35n3YtVTgq5bLAhFIkascoRo8G32QE=
+github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt9k/+g42oCprj/FisM4qX9L3sZB3upGN2ZU=
+github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
+github.com/robotn/xgb v0.0.0-20190912153532-2cb92d044934/go.mod h1:SxQhJskUJ4rleVU44YvnrdvxQr0tKy5SRSigBrCgyyQ=
+github.com/robotn/xgb v0.10.0 h1:O3kFbIwtwZ3pgLbp1h5slCQ4OpY8BdwugJLrUe6GPIM=
+github.com/robotn/xgb v0.10.0/go.mod h1:SxQhJskUJ4rleVU44YvnrdvxQr0tKy5SRSigBrCgyyQ=
+github.com/robotn/xgbutil v0.10.0 h1:gvf7mGQqCWQ68aHRtCxgdewRk+/KAJui6l3MJQQRCKw=
+github.com/robotn/xgbutil v0.10.0/go.mod h1:svkDXUDQjUiWzLrA0OZgHc4lbOts3C+uRfP6/yjwYnU=
+github.com/shirou/gopsutil/v4 v4.25.1 h1:QSWkTc+fu9LTAWfkZwZ6j8MSUk4A2LV7rbH0ZqmLjXs=
+github.com/shirou/gopsutil/v4 v4.25.1/go.mod h1:RoUCUpndaJFtT+2zsZzzmhvbfGoDCJ7nFXKJf8GqJbI=
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diff --git a/be/main.go b/be/main.go
index ac54cc9..63f9a65 100644
--- a/be/main.go
+++ b/be/main.go
@@ -2,33 +2,26 @@ package main
 
 import (
 	"log"
-	"mime"
 	"net/http"
-	"path/filepath"
+
+	"be/app"
+	"be/app/helper"
 )
 
 func main() {
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 
-		file := "../public" // base directory
+		app.ApiCORS(w, r)
 
-		if r.URL.Path == "/" {
-			file = file + "/index.html" // default
-		} else {
-			file = file + r.URL.Path // request
+		if r.Method == "GET" {
+			app.ApiGet(w, r)
+		} else if r.Method == "POST" {
+			app.ApiPost(w, r)
 		}
 
-		contentType := mime.TypeByExtension(filepath.Ext(file)) // get content type
-
-		if contentType != "" {
-			w.Header().Set("Content-Type", contentType) // set content type header
-		}
-
-		log.Println(file)
-		log.Println("-------------")
-
-		http.ServeFile(w, r, file) // serve file
 	})
 
+	helper.OpenBrowser("http://localhost:6970")
+
 	log.Fatal(http.ListenAndServe(":6970", nil))
 }