diff --git a/internal/provider/curl_action.go b/internal/provider/curl_action.go
index d12bb98..94426c3 100644
--- a/internal/provider/curl_action.go
+++ b/internal/provider/curl_action.go
@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"strconv"
 	"time"
 
 	"github.com/hashicorp/terraform-plugin-framework-validators/actionvalidator"
@@ -192,13 +191,6 @@ func (c *CurlAction) Invoke(ctx context.Context, req action.InvokeRequest, resp
 
 	tflog.Debug(ctx, fmt.Sprintf("Invoke Action Call: \nURL: %s\nHeaders: %s\nMethod: %s\nRequest Body: %s\n", request.URL.String(), request.Header, request.Method, request.Body))
 
-	var responseCodes []string
-	for _, v := range data.ResponseCodes.Elements() {
-		if strVal, ok := v.(types.String); ok {
-			responseCodes = append(responseCodes, strVal.ValueString())
-		}
-	}
-
 	timeout := 10 * time.Second
 	if !data.Timeout.IsNull() {
 		timeout = time.Duration(data.Timeout.ValueInt64()) * time.Second
@@ -224,7 +216,7 @@ func (c *CurlAction) Invoke(ctx context.Context, req action.InvokeRequest, resp
 		_, _ = io.Copy(io.Discard, response.Body)
 		_ = response.Body.Close()
 
-		if responseCodeChecker(responseCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(data.ResponseCodes, statusCode) {
 			return
 		}
 
diff --git a/internal/provider/curl_data_source.go b/internal/provider/curl_data_source.go
index bab6199..c7c1ef1 100644
--- a/internal/provider/curl_data_source.go
+++ b/internal/provider/curl_data_source.go
@@ -277,14 +277,7 @@ func (d *CurlDataSource) Read(ctx context.Context, req datasource.ReadRequest, r
 			bodyString = "{}"
 		}
 
-		var responseCodes []string
-		for _, v := range data.ResponseCodes.Elements() {
-			if strVal, ok := v.(types.String); ok {
-				responseCodes = append(responseCodes, strVal.ValueString())
-			}
-		}
-
-		if responseCodeChecker(responseCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(data.ResponseCodes, statusCode) {
 			break
 		}
 
diff --git a/internal/provider/curl_ephemeral_resource.go b/internal/provider/curl_ephemeral_resource.go
index 38a94db..82cf30b 100644
--- a/internal/provider/curl_ephemeral_resource.go
+++ b/internal/provider/curl_ephemeral_resource.go
@@ -517,14 +517,7 @@ func (e *EphemeralCurlResource) Open(ctx context.Context, req ephemeral.OpenRequ
 			bodyString = "{}"
 		}
 
-		var responseCodes []string
-		for _, v := range data.ResponseCodes.Elements() {
-			if strVal, ok := v.(types.String); ok {
-				responseCodes = append(responseCodes, strVal.ValueString())
-			}
-		}
-
-		if responseCodeChecker(responseCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(data.ResponseCodes, statusCode) {
 			break
 		}
 
@@ -1171,14 +1164,7 @@ func (e *EphemeralCurlResource) Renew(ctx context.Context, req ephemeral.RenewRe
 			bodyString = "{}"
 		}
 
-		var responseCodes []string
-		for _, v := range privateData.RenewResponseCodes.Elements() {
-			if strVal, ok := v.(types.String); ok {
-				responseCodes = append(responseCodes, strVal.ValueString())
-			}
-		}
-
-		if responseCodeChecker(responseCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(privateData.RenewResponseCodes, statusCode) {
 			break
 		}
 
@@ -1525,19 +1511,10 @@ func (e *EphemeralCurlResource) Close(ctx context.Context, req ephemeral.CloseRe
 			return
 		}
 
-		var expectedCodes []string
 		tflog.Debug(ctx, fmt.Sprintf("private data response code list: %v", privateData.CloseResponseCodes.Elements()))
-		for _, v := range privateData.CloseResponseCodes.Elements() {
-			if strVal, ok := v.(types.String); ok {
-				expectedCodes = append(expectedCodes, strVal.ValueString())
-			}
-		}
-
-		tflog.Debug(ctx, fmt.Sprintf("response code received: %v", statusCode))
-		tflog.Debug(ctx, fmt.Sprintf("expected response code received: %v", expectedCodes))
 
 		// Validate Response Code
-		if responseCodeChecker(expectedCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(privateData.CloseResponseCodes, statusCode) {
 			tflog.Debug(ctx, "Close request completed successfully")
 			break
 		} else {
diff --git a/internal/provider/curl_resource.go b/internal/provider/curl_resource.go
index 5334fa1..40fff52 100644
--- a/internal/provider/curl_resource.go
+++ b/internal/provider/curl_resource.go
@@ -577,14 +577,7 @@ func (r *CurlResource) Create(ctx context.Context, req resource.CreateRequest, r
 			bodyString = "{}"
 		}
 
-		var responseCodes []string
-		for _, v := range data.ResponseCodes.Elements() {
-			if strVal, ok := v.(types.String); ok {
-				responseCodes = append(responseCodes, strVal.ValueString())
-			}
-		}
-
-		if responseCodeChecker(responseCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(data.ResponseCodes, statusCode) {
 			break
 		}
 
@@ -739,7 +732,7 @@ func (r *CurlResource) Read(ctx context.Context, req resource.ReadRequest, resp
 	}
 
 	// Drift detection
-	if oldSanitized != sanitizedResponse {
+	if !responseCodeChecker(data.ReadResponseCodes, httpResp.StatusCode) || (oldSanitized != "null" && oldSanitized != sanitizedResponse) {
 		tflog.Warn(ctx, "Drift detected: Response has changed, marking for recreation.")
 		data.DriftMarker = types.StringValue(time.Now().Format(time.RFC3339Nano))
 	} else {
@@ -878,15 +871,8 @@ func (r *CurlResource) Delete(ctx context.Context, req resource.DeleteRequest, r
 			return
 		}
 
-		var expectedCodes []string
-		for _, v := range data.DestroyResponseCodes.Elements() {
-			if strVal, ok := v.(types.String); ok {
-				expectedCodes = append(expectedCodes, strVal.ValueString())
-			}
-		}
-
 		// Validate Response Code
-		if responseCodeChecker(expectedCodes, strconv.Itoa(statusCode)) {
+		if responseCodeChecker(data.DestroyResponseCodes, statusCode) {
 			tflog.Debug(ctx, "Destroy request completed successfully")
 			break
 		} else {
diff --git a/internal/provider/utilities.go b/internal/provider/utilities.go
index a527ff0..e968b91 100644
--- a/internal/provider/utilities.go
+++ b/internal/provider/utilities.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 
@@ -115,9 +116,18 @@ func setDataSourceResponseValues(data *CurlDataSourceModel, body string) {
 	)
 }
 
-func responseCodeChecker(s []string, str string) bool {
-	for _, v := range s {
-		if v == str {
+func responseCodeChecker(expectedStatusCodes types.List, receivedStatusCode int) bool {
+	var responseStatusCodes []string
+	for _, v := range expectedStatusCodes.Elements() {
+		if strVal, ok := v.(types.String); ok {
+			responseStatusCodes = append(responseStatusCodes, strVal.ValueString())
+		}
+	}
+
+	receivedStatusCodeAsInt := strconv.Itoa(receivedStatusCode)
+
+	for _, v := range responseStatusCodes {
+		if v == receivedStatusCodeAsInt {
 			return true
 		}
 	}
diff --git a/internal/provider/utilities_test.go b/internal/provider/utilities_test.go
index 2180a9b..c44b4f2 100644
--- a/internal/provider/utilities_test.go
+++ b/internal/provider/utilities_test.go
@@ -1,6 +1,8 @@
 package provider
 
 import (
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/types"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -54,17 +56,19 @@ func TestSanitizeResponse(t *testing.T) {
 func TestResponseCodeChecker(t *testing.T) {
 	tests := []struct {
 		name     string
-		codes    []string
-		input    string
+		codes    []attr.Value
+		input    int
 		expected bool
 	}{
-		{"Value Present", []string{"200", "404", "500"}, "404", true},
-		{"Value Absent", []string{"200", "500"}, "404", false},
+		{"Value Present", []attr.Value{types.StringValue("200"), types.StringValue("404"), types.StringValue("500")}, 404, true},
+		{"Value Absent", []attr.Value{types.StringValue("200"), types.StringValue("500")}, 404, false},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			result := responseCodeChecker(tt.codes, tt.input)
+			var listValue types.List
+			listValue, _ = types.ListValue(types.StringType, tt.codes)
+			result := responseCodeChecker(listValue, tt.input)
 			if result != tt.expected {
 				t.Errorf("Expected %v, got %v", tt.expected, result)
 			}