diff --git a/api/handlers/certificate_controller.go b/api/handlers/certificate_controller.go
index c5f6ab6..93f7252 100644
--- a/api/handlers/certificate_controller.go
+++ b/api/handlers/certificate_controller.go
@@ -22,11 +22,13 @@ func NewCertificateController() *CertificateController {
 // GenerateCertificate handles requests to generate a destruction certificate
 func (ctrl *CertificateController) GenerateCertificate(c echo.Context) error {
 	// certificate generation logic
+	certificate := "example certificate" // Replace "example certificate" with the actual certificate value
 	return c.JSON(http.StatusOK, certificate)
 }
 
 // GetCertificate retrieves a specific destruction certificate
 func (ctrl *CertificateController) GetCertificate(c echo.Context) error {
 	// logic to retrieve a certificate
+	certificate := "example certificate" // Replace "example certificate" with the actual certificate value
 	return c.JSON(http.StatusOK, certificate)
 }
diff --git a/api/handlers/cloud_providers_controller.go b/api/handlers/cloud_providers_controller.go
index c5aa48a..5dc6625 100644
--- a/api/handlers/cloud_providers_controller.go
+++ b/api/handlers/cloud_providers_controller.go
@@ -22,11 +22,13 @@ func NewCloudProvidersController() *CloudProvidersController {
 // ListProviders handles GET requests to list cloud providers
 func (ctrl *CloudProvidersController) ListProviders(c echo.Context) error {
 	// logic to list cloud providers
+	providers := []string{"aws", "azure", "gcp"}
 	return c.JSON(http.StatusOK, providers)
 }
 
 // InitiateDestruction handles POST requests to initiate data destruction
 func (ctrl *CloudProvidersController) InitiateDestruction(c echo.Context) error {
 	// logic to start data destruction
+	response := "Data destruction initiated"
 	return c.JSON(http.StatusOK, response)
 }
diff --git a/api/handlers/verification_controller.go b/api/handlers/verification_controller.go
index b492503..32c279b 100644
--- a/api/handlers/verification_controller.go
+++ b/api/handlers/verification_controller.go
@@ -21,6 +21,8 @@ func NewVerificationController() *VerificationController {
 
 // VerifyDestruction handles requests to verify data destruction
 func (ctrl *VerificationController) VerifyDestruction(c echo.Context) error {
-	//  verification logic
+	// Declare and assign a value to verificationResult
+	verificationResult := "Data destruction verified"
+
 	return c.JSON(http.StatusOK, verificationResult)
 }