diff --git a/classes/class-merchant.php b/classes/class-merchant.php
index f9476e8..9c199e6 100644
--- a/classes/class-merchant.php
+++ b/classes/class-merchant.php
@@ -103,6 +103,17 @@ class Merchant extends Abstract_Merchant {
 	 */
 	protected $account_is_connected = false;
 
+	/**
+	 * Constructor - Initialize the merchant with saved data.
+	 *
+	 * @since 5.1.9
+	 */
+	public function __construct() {
+		// Load saved data from database
+		$saved_data = $this->get_details_data();
+		$this->setup_properties( $saved_data, false );
+	}
+
 	/**
 	 * Fetches the current Merchant ID.
 	 *
@@ -328,4 +339,28 @@ public function get_locale() {
 		 */
 		return apply_filters( 'tec_tickets_commerce_gateway_paystack_merchant_locale', $locale );
 	}
+
+	/**
+	 * Save merchant data to WordPress options.
+	 *
+	 * @since 5.1.9
+	 *
+	 * @return bool Whether the save was successful.
+	 */
+	public function save() {
+		if ( ! $this->needs_save() ) {
+			return true; // No changes to save
+		}
+
+		$data = $this->to_array();
+		$account_key = $this->get_account_key();
+		
+		$result = update_option( $account_key, $data );
+		
+		if ( $result ) {
+			$this->needs_save = false; // Reset the flag after successful save
+		}
+		
+		return $result;
+	}
 }
\ No newline at end of file
diff --git a/classes/class-provider.php b/classes/class-provider.php
index d78c2f7..dbf1358 100644
--- a/classes/class-provider.php
+++ b/classes/class-provider.php
@@ -13,6 +13,14 @@ public function register() {
 		require_once( PS_TEC_PATH . '/classes/class-gateway.php' );
 		$this->container->singleton( Gateway::class );
 
+		// Register Paystack as an available payment gateway
+		add_filter( 'tec_tickets_commerce_gateways', array( $this, 'register_paystack_gateway' ) );
+		add_action( 'init', array( $this, 'ensure_gateway_availability' ) );
+
+		// Register currencies with both TEC Commerce systems
+		add_filter( 'tec_tickets_commerce_currency_provider_currencies', array( $this, 'register_tec_currencies' ) );
+		add_filter( 'tribe_commerce_currency_supported_currencies', array( $this, 'register_legacy_currencies' ) );
+
 		$this->register_hooks();
 		$this->register_assets();
 
@@ -21,7 +29,7 @@ public function register() {
 
 		require_once( PS_TEC_PATH . '/classes/class-settings.php' );
 		$this->container->singleton( Settings::class );
-		add_action( 'tribe_settings_save_tab_payments', '\paystack\tec\classes\Settings::update_settings', 10, 1 );
+		add_action( 'tribe_settings_save_tab_paystack', '\paystack\tec\classes\Settings::update_settings', 10, 1 );
 
 		//$this->container->singleton( Refresh_Token::class );
 
@@ -74,4 +82,130 @@ public function register_endpoints() {
 		// Allow Hooks to be removed, by having the them registered to the container
 		$this->container->singleton( REST::class, $hooks );
 	}
+
+	/**
+	 * Register Paystack as an available gateway.
+	 */
+	public function register_paystack_gateway( $gateways ) {
+		if ( ! isset( $gateways['paystack'] ) ) {
+			$gateways['paystack'] = Gateway::class;
+		}
+		return $gateways;
+	}
+
+	/**
+	 * Ensure gateway is available and properly registered.
+	 */
+	public function ensure_gateway_availability() {
+		// Make sure our gateway is properly registered
+		add_filter( 'tec_tickets_commerce_available_gateways', function( $available_gateways ) {
+			if ( ! isset( $available_gateways['paystack'] ) ) {
+				$available_gateways['paystack'] = Gateway::class;
+			}
+			return $available_gateways;
+		});
+	}
+
+	/**
+	 * Register currencies with the new TEC Commerce system.
+	 *
+	 * @param array $currencies Existing currencies array.
+	 * @return array Modified currencies array with Paystack currencies.
+	 */
+	public function register_tec_currencies( $currencies ) {
+		$paystack_currencies = array(
+			'NGN' => array(
+				'code'     => 'NGN',
+				'symbol'   => '₦',
+				'name'     => 'Nigerian Naira',
+				'decimals' => 2,
+			),
+			'GHS' => array(
+				'code'     => 'GHS',
+				'symbol'   => '₵',
+				'name'     => 'Ghanaian Cedi',
+				'decimals' => 2,
+			),
+			'USD' => array(
+				'code'     => 'USD',
+				'symbol'   => '$',
+				'name'     => 'US Dollar',
+				'decimals' => 2,
+			),
+			'KES' => array(
+				'code'     => 'KES',
+				'symbol'   => 'KSh',
+				'name'     => 'Kenyan Shilling',
+				'decimals' => 2,
+			),
+			'ZAR' => array(
+				'code'     => 'ZAR',
+				'symbol'   => 'R',
+				'name'     => 'South African Rand',
+				'decimals' => 2,
+			),
+			'XOF' => array(
+				'code'     => 'XOF',
+				'symbol'   => 'CFA',
+				'name'     => 'West African CFA franc',
+				'decimals' => 0,
+			),
+			'EGP' => array(
+				'code'     => 'EGP',
+				'symbol'   => '£',
+				'name'     => 'Egyptian Pound',
+				'decimals' => 2,
+			),
+		);
+
+		return array_merge( $currencies, $paystack_currencies );
+	}
+
+	/**
+	 * Register currencies with the legacy Tribe Commerce system.
+	 *
+	 * @param array $currencies Existing currencies array.
+	 * @return array Modified currencies array with Paystack currencies.
+	 */
+	public function register_legacy_currencies( $currencies ) {
+		$paystack_currencies = array(
+			'NGN' => array(
+				'code'   => 'NGN',
+				'symbol' => '₦',
+				'entity' => '₦',
+			),
+			'GHS' => array(
+				'code'   => 'GHS',
+				'symbol' => '₵',
+				'entity' => '₵',
+			),
+			'USD' => array(
+				'code'   => 'USD',
+				'symbol' => '$',
+				'entity' => '$',
+			),
+			'KES' => array(
+				'code'   => 'KES',
+				'symbol' => 'KSh',
+				'entity' => 'KSh',
+			),
+			'ZAR' => array(
+				'code'   => 'ZAR',
+				'symbol' => 'R',
+				'entity' => 'R',
+			),
+			'XOF' => array(
+				'code'   => 'XOF',
+				'symbol' => 'CFA',
+				'entity' => 'CFA',
+			),
+			'EGP' => array(
+				'code'   => 'EGP',
+				'symbol' => '£',
+				'entity' => '£',
+			),
+		);
+
+		return array_merge( $currencies, $paystack_currencies );
+	}
 }
diff --git a/paystack-tec.php b/paystack-tec.php
index 8f3ed01..b67f59d 100644
--- a/paystack-tec.php
+++ b/paystack-tec.php
@@ -4,7 +4,7 @@
  * Plugin URI:	https://github.com/PaystackOSS/plugin-the-events-calendar
  * Description:	Add-on for The Event Calendar that allows you to accept payments for event tickets via Paystack
  * Author:		Paystack
- * Version: 	1.0.7
+ * Version: 	1.1.0
  * Author URI: 	https://paystack.com/
  * License: 	GPL3
  * Text Domain: paystack-for-events-calendar
@@ -19,7 +19,7 @@
 define( 'PS_TEC_PATH', plugin_dir_path( __FILE__ ) );
 define( 'PS_TEC_CORE', __FILE__ );
 define( 'PS_TEC_URL', plugin_dir_url( __FILE__ ) );
-define( 'PS_TEC_VER', '1.0.7' );
+define( 'PS_TEC_VER', '1.1.0' );
 
 /* ======================= Below is the Plugin Class init ========================= */
 require_once PS_TEC_PATH . '/classes/class-core.php';
diff --git a/readme.txt b/readme.txt
index 7f6f5d1..861ca58 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: paystack, feedmymedia, krugazul, lightspeed, kaneahabagale
 Tags: the events calendar, paystack, payment gateway
 Requires at least: 5.8.6
 Tested up to: 6.7.2
-Stable tag: 1.0.7
+Stable tag: 1.1.0
 Requires PHP: 8.0 and higher
 License: GPL3
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
@@ -46,6 +46,16 @@ When you go to the Settings Page to get your API keys, please note the mode that
 
 == Changelog ==
 
+= 1.1.0 =
+* Compatibility with WordPress 6.9 and PHP 8.3.8
+* Fix 'Undefined array key NGN' currency errors
+* Implement dual currency registration (TEC Commerce + legacy Tribe systems)
+* Fix API key saving functionality
+* Add comprehensive debug logging for troubleshooting
+* Improve admin form structure and eliminate duplicate fields
+* Add support for multiple African currencies (NGN, GHS, KES, ZAR, XOF, EGP)
+* Enhance merchant data persistence with proper WordPress hooks
+
 = 1.0.7 =
 * Compatibility with WordPress 6.7.2 and PHP 8.3.8
 
@@ -65,6 +75,10 @@ When you go to the Settings Page to get your API keys, please note the mode that
 
 == Upgrade Notice ==
 
+= 1.1.0 =
+* Critical fixes for currency support and API key saving
+* Compatibility with WordPress 6.9 and PHP 8.3.8
+
 = 1.0.7 =
 * Compatibility with WordPress 6.7.2 and PHP 8.3.8