diff --git a/modules/ppcp-settings/src/Data/GeneralSettings.php b/modules/ppcp-settings/src/Data/GeneralSettings.php
new file mode 100644
index 000000000..8fe7ee872
--- /dev/null
+++ b/modules/ppcp-settings/src/Data/GeneralSettings.php
@@ -0,0 +1,191 @@
+<?php
+/**
+ * GeneralSettings class
+ *
+ * @package WooCommerce\PayPalCommerce\Settings\Data
+ */
+
+declare( strict_types = 1 );
+
+namespace WooCommerce\PayPalCommerce\Settings\Data;
+
+use RuntimeException;
+
+/**
+ * This class serves as a container for managing the general plugin settings,
+ * such as the connection credentials.
+ */
+class GeneralSettings extends AbstractDataModel {
+
+	/**
+	 * Option key where profile details are stored.
+	 *
+	 * @var string
+	 */
+	protected const OPTION_KEY = 'woocommerce-ppcp-data-general-settings';
+
+	/**
+	 * Get default values for the model.
+	 *
+	 * @return array
+	 */
+	protected function get_defaults() : array {
+		return array(
+			'is_sandbox'             => false,
+			'live_client_id'         => '',
+			'live_client_secret'     => '',
+			'live_merchant_id'       => '',
+			'live_merchant_email'    => '',
+			'sandbox_client_id'      => '',
+			'sandbox_client_secret'  => '',
+			'sandbox_merchant_id'    => '',
+			'sandbox_merchant_email' => '',
+		);
+	}
+
+	// -----
+
+	/**
+	 * Gets the 'is_sandbox' flag.
+	 */
+	public function is_sandbox() : bool {
+		return (bool) $this->data['is_sandbox'];
+	}
+
+	/**
+	 * Sets the 'is_sandbox' flag.
+	 *
+	 * @param bool $value The value to set.
+	 */
+	public function set_is_sandbox( bool $value ) : void {
+		$this->data['is_sandbox'] = $value;
+	}
+
+	/**
+	 * Gets the live client ID.
+	 */
+	public function live_client_id() : string {
+		return $this->data['live_client_id'];
+	}
+
+	/**
+	 * Sets the live client ID.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_live_client_id( string $value ) : void {
+		$this->data['live_client_id'] = sanitize_text_field( $value );
+	}
+
+	/**
+	 * Gets the live client secret.
+	 */
+	public function live_client_secret() : string {
+		return $this->data['live_client_secret'];
+	}
+
+	/**
+	 * Sets the live client secret.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_live_client_secret( string $value ) : void {
+		$this->data['live_client_secret'] = sanitize_text_field( $value );
+	}
+
+	/**
+	 * Gets the live merchant ID.
+	 */
+	public function live_merchant_id() : string {
+		return $this->data['live_merchant_id'];
+	}
+
+	/**
+	 * Sets the live merchant ID.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_live_merchant_id( string $value ) : void {
+		$this->data['live_merchant_id'] = sanitize_text_field( $value );
+	}
+
+	/**
+	 * Gets the live merchant email.
+	 */
+	public function live_merchant_email() : string {
+		return $this->data['live_merchant_email'];
+	}
+
+	/**
+	 * Sets the live merchant email.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_live_merchant_email( string $value ) : void {
+		$this->data['live_merchant_email'] = sanitize_email( $value );
+	}
+
+	/**
+	 * Gets the sandbox client ID.
+	 */
+	public function sandbox_client_id() : string {
+		return $this->data['sandbox_client_id'];
+	}
+
+	/**
+	 * Sets the sandbox client ID.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_sandbox_client_id( string $value ) : void {
+		$this->data['sandbox_client_id'] = sanitize_text_field( $value );
+	}
+
+	/**
+	 * Gets the sandbox client secret.
+	 */
+	public function sandbox_client_secret() : string {
+		return $this->data['sandbox_client_secret'];
+	}
+
+	/**
+	 * Sets the sandbox client secret.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_sandbox_client_secret( string $value ) : void {
+		$this->data['sandbox_client_secret'] = sanitize_text_field( $value );
+	}
+
+	/**
+	 * Gets the sandbox merchant ID.
+	 */
+	public function sandbox_merchant_id() : string {
+		return $this->data['sandbox_merchant_id'];
+	}
+
+	/**
+	 * Sets the sandbox merchant ID.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_sandbox_merchant_id( string $value ) : void {
+		$this->data['sandbox_merchant_id'] = sanitize_text_field( $value );
+	}
+
+	/**
+	 * Gets the sandbox merchant email.
+	 */
+	public function sandbox_merchant_email() : string {
+		return $this->data['sandbox_merchant_email'];
+	}
+
+	/**
+	 * Sets the sandbox merchant email.
+	 *
+	 * @param string $value The value to set.
+	 */
+	public function set_sandbox_merchant_email( string $value ) : void {
+		$this->data['sandbox_merchant_email'] = sanitize_email( $value );
+	}
+}
diff --git a/modules/ppcp-settings/src/Data/PaymentSettings.php b/modules/ppcp-settings/src/Data/PaymentSettings.php
new file mode 100644
index 000000000..0180150a2
--- /dev/null
+++ b/modules/ppcp-settings/src/Data/PaymentSettings.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * PaymentSettings class
+ *
+ * @package WooCommerce\PayPalCommerce\Settings\Data
+ */
+
+declare( strict_types = 1 );
+
+namespace WooCommerce\PayPalCommerce\Settings\Data;
+
+use RuntimeException;
+
+/**
+ * This class serves as a container for managing the payment settings.
+ */
+class PaymentSettings extends AbstractDataModel {
+
+	/**
+	 * Option key where profile details are stored.
+	 *
+	 * @var string
+	 */
+	protected const OPTION_KEY = 'woocommerce-ppcp-data-payment-settings';
+
+	/**
+	 * Get default values for the model.
+	 *
+	 * @return array
+	 */
+	protected function get_defaults() : array {
+		return array();
+	}
+}
diff --git a/modules/ppcp-settings/src/Data/StylingSettings.php b/modules/ppcp-settings/src/Data/StylingSettings.php
new file mode 100644
index 000000000..481625ca7
--- /dev/null
+++ b/modules/ppcp-settings/src/Data/StylingSettings.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * StylingSettings class
+ *
+ * @package WooCommerce\PayPalCommerce\Settings\Data
+ */
+
+declare( strict_types = 1 );
+
+namespace WooCommerce\PayPalCommerce\Settings\Data;
+
+use RuntimeException;
+
+/**
+ * This class serves as a container for managing the styling settings.
+ */
+class StylingSettings extends AbstractDataModel {
+
+	/**
+	 * Option key where profile details are stored.
+	 *
+	 * @var string
+	 */
+	protected const OPTION_KEY = 'woocommerce-ppcp-data-styling-settings';
+
+	/**
+	 * Get default values for the model.
+	 *
+	 * @return array
+	 */
+	protected function get_defaults() : array {
+		return array();
+	}
+}