diff --git a/facebook-commerce-events-tracker.php b/facebook-commerce-events-tracker.php
index 17f26e968..8d00fed01 100644
--- a/facebook-commerce-events-tracker.php
+++ b/facebook-commerce-events-tracker.php
@@ -228,7 +228,7 @@ function ( $post ) {
 				'custom_data' => array(
 					'content_name'     => $category->name,
 					'content_category' => $category->name,
-					'content_ids'      => json_encode( array_slice( $product_ids, 0, 10 ) ),
+					'content_ids'      => wp_json_encode( array_slice( $product_ids, 0, 10 ) ),
 					'content_type'     => $content_type,
 					'contents'         => $contents,
 				),
@@ -453,7 +453,7 @@ private function get_search_event() {
 					'event_name'  => 'Search',
 					'custom_data' => array(
 						'content_type'  => $content_type,
-						'content_ids'   => json_encode( array_slice( $product_ids, 0, 10 ) ),
+						'content_ids'   => wp_json_encode( array_slice( $product_ids, 0, 10 ) ),
 						'contents'      => $contents,
 						'search_string' => get_search_query(),
 						'value'         => Helper::number_format( $total_value ),
diff --git a/facebook-commerce.php b/facebook-commerce.php
index 84b97d340..945ad9be0 100644
--- a/facebook-commerce.php
+++ b/facebook-commerce.php
@@ -563,7 +563,7 @@ public function ajax_fb_background_check_queue() {
 				'background' => false,
 			];
 		}
-		printf( json_encode( $response ) );
+		printf( wp_json_encode( $response ) );
 		wp_die();
 	}
 
@@ -1735,7 +1735,7 @@ public function ajax_check_feed_upload_status() {
 			'connected' => true,
 			'status'    => 'complete',
 		];
-		printf( json_encode( $response ) );
+		printf( wp_json_encode( $response ) );
 		wp_die();
 	}
 
@@ -1786,7 +1786,7 @@ public function ajax_check_feed_upload_status_v2() {
 		} else {
 			$response = [ 'connected' => false ];
 		}
-		printf( json_encode( $response ) );
+		printf( wp_json_encode( $response ) );
 		wp_die();
 	}
 
@@ -2015,7 +2015,7 @@ public function get_sample_product_feed() {
 		wp_reset_postdata();
 		ob_end_clean();
 
-		return json_encode( [ $items ] );
+		return wp_json_encode( [ $items ] );
 	}
 
 	/**
@@ -3009,7 +3009,7 @@ public function ajax_display_test_result() {
 			delete_transient( 'facebook_plugin_test_stack_trace' );
 		}
 		delete_option( 'fb_test_pass' );
-		printf( json_encode( $response ) );
+		printf( wp_json_encode( $response ) );
 		wp_die();
 	}
 
diff --git a/includes/Handlers/WhatsAppUtilityConnection.php b/includes/Handlers/WhatsAppUtilityConnection.php
index 08e0ca90e..02ff60c6b 100644
--- a/includes/Handlers/WhatsAppUtilityConnection.php
+++ b/includes/Handlers/WhatsAppUtilityConnection.php
@@ -467,7 +467,6 @@ public static function get_supported_languages_for_templates( $integration_confi
 					__( 'Integration Config GET API call Succeeded', 'facebook-for-woocommerce' )
 				)
 			);
-			// $response_object = json_decode( $data[0] );
 			wp_send_json_success( $data, 'Finish Integration Config API Call' );
 		}
 	}
diff --git a/includes/fbutils.php b/includes/fbutils.php
index 9552014dc..38b0b5e82 100644
--- a/includes/fbutils.php
+++ b/includes/fbutils.php
@@ -394,7 +394,7 @@ public static function fblog(
 				$obj['plugin_version'] = self::PLUGIN_VERSION;
 				$obj['php_version']    = phpversion();
 			}
-			$message = json_encode(
+			$message = wp_json_encode(
 				array(
 					'message' => $message,
 					'object'  => $obj,
@@ -1020,7 +1020,7 @@ public static function log_with_debug_mode_enabled( $message, $level = null ) {
 			}
 
 			if ( is_array( $message ) || is_object( $message ) ) {
-				$message = json_encode( $message );
+				$message = wp_json_encode( $message );
 			} else {
 				$message = sanitize_textarea_field( $message );
 			}