--- <base>/stripe-payments/includes/class-asp-process-ipn-ng.php
+++ <changes>/wp-content/plugins/stripe-payments/includes/class-asp-process-ipn-ng.php
@@ -101,11 +101,11 @@
 		if ( ! empty( $post_data ) ) {
 			$this->post_data = $post_data;
 		}
-
+
 		do_action( 'asp_ng_before_payment_processing', $post_data );

 		$this->sess = ASP_Session::get_instance();
-
+
 		$post_thankyou_page_url = $this->get_post_var( 'asp_thankyou_page_url', FILTER_SANITIZE_STRING );

 		$this->asp_redirect_url = empty( $post_thankyou_page_url ) ? $this->asp_class->get_setting( 'checkout_url' ) : base64_decode( $post_thankyou_page_url ); //phpcs:ignore
@@ -155,7 +155,16 @@
 		$is_live = $this->get_post_var( 'asp_is_live', FILTER_VALIDATE_BOOLEAN );

 		ASP_Utils::load_stripe_lib();
-		$key = $is_live ? $this->asp_class->APISecKey : $this->asp_class->APISecKeyTest;
+		$settings = (array) get_option('wfs-bcf-asp-settings');
+		if ($prod_id == $settings['asp_product_id']) {
+		    if ($is_live) {
+       	        $key = $settings['api_secret_key'];
+		    } else {
+       	        $key = $settings['api_secret_key_test'];
+       	    }
+		} else {
+		    $key = $is_live ? $this->asp_class->APISecKey : $this->asp_class->APISecKeyTest;
+		}
 		\Stripe\Stripe::setApiKey( $key );

 		$api = ASP_Stripe_API::get_instance();
@@ -165,7 +174,7 @@
 		ASP_Debug_Logger::log( 'Firing asp_ng_process_ipn_payment_data_item_override filter.' );

 		$p_data = apply_filters( 'asp_ng_process_ipn_payment_data_item_override', false, $pi );
-
+
 		if ( false === $p_data ) {
 			$p_data = new ASP_Payment_Data( $pi );
 		}