diff --git a/internal/testlib/server.go b/internal/testlib/server.go
index 58f1a477..d13e7691 100644
--- a/internal/testlib/server.go
+++ b/internal/testlib/server.go
@@ -181,4 +181,4 @@ func AddPutErrorToMux(uri, body string, statusCode int) {
 		statusCode = http.StatusInternalServerError
 	}
 	addResponse(uri, body, http.MethodPut, statusCode)
-}
\ No newline at end of file
+}
diff --git a/pkg/services/applications.go b/pkg/services/applications.go
index 515de069..fdb4c167 100644
--- a/pkg/services/applications.go
+++ b/pkg/services/applications.go
@@ -12,28 +12,33 @@ import (
 	"github.com/itential/ipctl/pkg/logger"
 )
 
+// ApplicationOperationResponse represents the response structure for application operations
 type ApplicationOperationResponse struct {
 	Status  string `json:"status"`
 	Message string `json:"message"`
 }
 
+// Application represents an application configuration in the Itential platform
 type Application struct {
-	Name             string                 `json:"name"`
-	Type             string                 `json:"type"`
-	Model            string                 `json:"model"`
-	Properties       map[string]interface{} `json:"properties"`
-	IsEncrypted      bool                   `json:"isEncrypted"`
-	LoggerProperties map[string]interface{} `json:"loggerProps"`
+	Name             string                 `json:"name"`        // Name of the application
+	Type             string                 `json:"type"`        // Type of the application
+	Model            string                 `json:"model"`       // Model used by the application
+	Properties       map[string]interface{} `json:"properties"`  // Application-specific properties
+	IsEncrypted      bool                   `json:"isEncrypted"` // Whether the application uses encryption
+	LoggerProperties map[string]interface{} `json:"loggerProps"` // Logger configuration properties
 }
 
+// ApplicationService provides methods to manage applications in the Itential platform
 type ApplicationService struct {
 	client *ServiceClient
 }
 
+// NewApplicationService creates a new ApplicationService instance with the provided client
 func NewApplicationService(c client.Client) *ApplicationService {
 	return &ApplicationService{client: NewServiceClient(c)}
 }
 
+// GetAll retrieves all applications from the Itential platform
 func (svc *ApplicationService) GetAll() ([]Application, error) {
 	logger.Trace()
 
@@ -65,6 +70,7 @@ func (svc *ApplicationService) GetAll() ([]Application, error) {
 	return values, nil
 }
 
+// Get retrieves a specific application by name from the Itential platform
 func (svc *ApplicationService) Get(name string) (*Application, error) {
 	logger.Trace()
 
@@ -86,6 +92,7 @@ func (svc *ApplicationService) Get(name string) (*Application, error) {
 	return res.Data, nil
 }
 
+// Create creates a new application in the Itential platform
 func (svc *ApplicationService) Create(in Application) (*Application, error) {
 	logger.Trace()
 
@@ -110,6 +117,7 @@ func (svc *ApplicationService) Create(in Application) (*Application, error) {
 	return res.Data, nil
 }
 
+// Start starts the specified application by name
 func (svc *ApplicationService) Start(name string) error {
 	logger.Trace()
 
@@ -130,6 +138,7 @@ func (svc *ApplicationService) Start(name string) error {
 	return nil
 }
 
+// Stop stops the specified application by name
 func (svc *ApplicationService) Stop(name string) error {
 	logger.Trace()
 
@@ -150,6 +159,7 @@ func (svc *ApplicationService) Stop(name string) error {
 	return nil
 }
 
+// Restart restarts the specified application by name
 func (svc *ApplicationService) Restart(name string) error {
 	logger.Trace()
 
diff --git a/pkg/services/applications_test.go b/pkg/services/applications_test.go
index 269dcec0..770d07fa 100644
--- a/pkg/services/applications_test.go
+++ b/pkg/services/applications_test.go
@@ -5,6 +5,7 @@
 package services
 
 import (
+	"net/http"
 	"path/filepath"
 	"reflect"
 	"testing"
@@ -14,8 +15,12 @@ import (
 )
 
 var (
-	applicationsGetAllSuccess = "applications/getall.success.json"
-	applicationsGetSuccess    = "applications/get.success.json"
+	applicationsGetAllSuccess  = "applications/getall.success.json"
+	applicationsGetSuccess     = "applications/get.success.json"
+	applicationsCreateSuccess  = "applications/create.success.json"
+	applicationsStartSuccess   = "applications/start.success.json"
+	applicationsStopSuccess    = "applications/stop.success.json"
+	applicationsRestartSuccess = "applications/restart.success.json"
 )
 
 func setupApplicationService() *ApplicationService {
@@ -62,3 +67,105 @@ func TestApplicationsGet(t *testing.T) {
 		assert.Equal(t, "WorkFlowEngine", res.Name)
 	}
 }
+
+func TestNewApplicationService(t *testing.T) {
+	client := testlib.Setup()
+	defer testlib.Teardown()
+
+	svc := NewApplicationService(client)
+
+	assert.NotNil(t, svc)
+	assert.NotNil(t, svc.client)
+	assert.Equal(t, reflect.TypeOf((*ApplicationService)(nil)), reflect.TypeOf(svc))
+}
+
+func TestApplicationsCreate(t *testing.T) {
+	svc := setupApplicationService()
+	defer testlib.Teardown()
+
+	app := Application{
+		Name:  "TestApplication",
+		Type:  "service",
+		Model: "App",
+		Properties: map[string]interface{}{
+			"version":     "1.0.0",
+			"description": "Test application",
+		},
+		IsEncrypted: false,
+		LoggerProperties: map[string]interface{}{
+			"level": "info",
+		},
+	}
+
+	for _, ele := range fixtureSuites {
+		response := testlib.Fixture(
+			filepath.Join(fixtureRoot, ele, applicationsCreateSuccess),
+		)
+
+		testlib.AddPostResponseToMux("/applications", response, http.StatusOK)
+
+		res, err := svc.Create(app)
+
+		assert.Nil(t, err)
+		assert.NotNil(t, res)
+		assert.Equal(t, reflect.TypeOf((*Application)(nil)), reflect.TypeOf(res))
+		assert.Equal(t, "TestApplication", res.Name)
+	}
+}
+
+func TestApplicationsStart(t *testing.T) {
+	svc := setupApplicationService()
+	defer testlib.Teardown()
+
+	appName := "TestApplication"
+
+	for _, ele := range fixtureSuites {
+		response := testlib.Fixture(
+			filepath.Join(fixtureRoot, ele, applicationsStartSuccess),
+		)
+
+		testlib.AddPutResponseToMux("/applications/TestApplication/start", response, 0)
+
+		err := svc.Start(appName)
+
+		assert.Nil(t, err)
+	}
+}
+
+func TestApplicationsStop(t *testing.T) {
+	svc := setupApplicationService()
+	defer testlib.Teardown()
+
+	appName := "TestApplication"
+
+	for _, ele := range fixtureSuites {
+		response := testlib.Fixture(
+			filepath.Join(fixtureRoot, ele, applicationsStopSuccess),
+		)
+
+		testlib.AddPutResponseToMux("/applications/TestApplication/stop", response, 0)
+
+		err := svc.Stop(appName)
+
+		assert.Nil(t, err)
+	}
+}
+
+func TestApplicationsRestart(t *testing.T) {
+	svc := setupApplicationService()
+	defer testlib.Teardown()
+
+	appName := "TestApplication"
+
+	for _, ele := range fixtureSuites {
+		response := testlib.Fixture(
+			filepath.Join(fixtureRoot, ele, applicationsRestartSuccess),
+		)
+
+		testlib.AddPutResponseToMux("/applications/TestApplication/restart", response, 0)
+
+		err := svc.Restart(appName)
+
+		assert.Nil(t, err)
+	}
+}
diff --git a/pkg/services/testdata/2023.2/applications/create.success.json b/pkg/services/testdata/2023.2/applications/create.success.json
new file mode 100644
index 00000000..7ad72872
--- /dev/null
+++ b/pkg/services/testdata/2023.2/applications/create.success.json
@@ -0,0 +1,17 @@
+{
+  "status": "success",
+  "message": "Successfully created application",
+  "data": {
+    "name": "TestApplication",
+    "type": "service",
+    "model": "App",
+    "properties": {
+      "version": "1.0.0",
+      "description": "Test application"
+    },
+    "isEncrypted": false,
+    "loggerProps": {
+      "level": "info"
+    }
+  }
+}
\ No newline at end of file
diff --git a/pkg/services/testdata/2023.2/applications/restart.success.json b/pkg/services/testdata/2023.2/applications/restart.success.json
new file mode 100644
index 00000000..2a761683
--- /dev/null
+++ b/pkg/services/testdata/2023.2/applications/restart.success.json
@@ -0,0 +1,4 @@
+{
+  "status": "success",
+  "message": "Application restarted successfully"
+}
\ No newline at end of file
diff --git a/pkg/services/testdata/2023.2/applications/start.success.json b/pkg/services/testdata/2023.2/applications/start.success.json
new file mode 100644
index 00000000..971acc7a
--- /dev/null
+++ b/pkg/services/testdata/2023.2/applications/start.success.json
@@ -0,0 +1,4 @@
+{
+  "status": "success",
+  "message": "Application started successfully"
+}
\ No newline at end of file
diff --git a/pkg/services/testdata/2023.2/applications/stop.success.json b/pkg/services/testdata/2023.2/applications/stop.success.json
new file mode 100644
index 00000000..51275987
--- /dev/null
+++ b/pkg/services/testdata/2023.2/applications/stop.success.json
@@ -0,0 +1,4 @@
+{
+  "status": "success",
+  "message": "Application stopped successfully"
+}
\ No newline at end of file