diff --git a/modules/ppcp-settings/resources/js/data/common/action-types.js b/modules/ppcp-settings/resources/js/data/common/action-types.js
index ac2c6db37..34e831508 100644
--- a/modules/ppcp-settings/resources/js/data/common/action-types.js
+++ b/modules/ppcp-settings/resources/js/data/common/action-types.js
@@ -22,4 +22,5 @@ export default {
 	DO_MANUAL_CONNECTION: 'COMMON:DO_MANUAL_CONNECTION',
 	DO_SANDBOX_LOGIN: 'COMMON:DO_SANDBOX_LOGIN',
 	DO_PRODUCTION_LOGIN: 'COMMON:DO_PRODUCTION_LOGIN',
+	DO_REFRESH_MERCHANT: 'COMMON:DO_REFRESH_MERCHANT',
 };
diff --git a/modules/ppcp-settings/resources/js/data/common/actions.js b/modules/ppcp-settings/resources/js/data/common/actions.js
index abed4f2d3..7dd13206e 100644
--- a/modules/ppcp-settings/resources/js/data/common/actions.js
+++ b/modules/ppcp-settings/resources/js/data/common/actions.js
@@ -180,3 +180,12 @@ export const connectViaIdAndSecret = function* () {
 		useSandbox,
 	};
 };
+
+/**
+ * Side effect. Clears and refreshes the merchant data via a REST request.
+ *
+ * @return {Action} The action.
+ */
+export const refreshMerchantData = function* () {
+	return yield { type: ACTION_TYPES.DO_REFRESH_MERCHANT };
+};
diff --git a/modules/ppcp-settings/resources/js/data/common/constants.js b/modules/ppcp-settings/resources/js/data/common/constants.js
index 60d8512fa..9499ef069 100644
--- a/modules/ppcp-settings/resources/js/data/common/constants.js
+++ b/modules/ppcp-settings/resources/js/data/common/constants.js
@@ -16,6 +16,15 @@ export const STORE_NAME = 'wc/paypal/common';
  */
 export const REST_HYDRATE_PATH = '/wc/v3/wc_paypal/common';
 
+/**
+ * REST path to fetch merchant details from the WordPress DB.
+ *
+ * Used by controls.
+ *
+ * @type {string}
+ */
+export const REST_HYDRATE_MERCHANT_PATH = '/wc/v3/wc_paypal/common/merchant';
+
 /**
  * REST path to persist data of this module to the WP DB.
  *
diff --git a/modules/ppcp-settings/resources/js/data/common/controls.js b/modules/ppcp-settings/resources/js/data/common/controls.js
index 6005385f9..7845f335f 100644
--- a/modules/ppcp-settings/resources/js/data/common/controls.js
+++ b/modules/ppcp-settings/resources/js/data/common/controls.js
@@ -7,12 +7,15 @@
  * @file
  */
 
+import { dispatch } from '@wordpress/data';
 import apiFetch from '@wordpress/api-fetch';
 
 import {
+	STORE_NAME,
 	REST_PERSIST_PATH,
 	REST_MANUAL_CONNECTION_PATH,
 	REST_CONNECTION_URL_PATH,
+	REST_HYDRATE_MERCHANT_PATH,
 } from './constants';
 import ACTION_TYPES from './action-types';
 
@@ -99,4 +102,23 @@ export const controls = {
 
 		return result;
 	},
+
+	async [ ACTION_TYPES.DO_REFRESH_MERCHANT ]() {
+		let result = null;
+
+		try {
+			result = await apiFetch( { path: REST_HYDRATE_MERCHANT_PATH } );
+
+			if ( result.success && result.merchant ) {
+				await dispatch( STORE_NAME ).hydrate( result );
+			}
+		} catch ( e ) {
+			result = {
+				success: false,
+				error: e,
+			};
+		}
+
+		return result;
+	},
 };
diff --git a/modules/ppcp-settings/resources/js/data/common/reducer.js b/modules/ppcp-settings/resources/js/data/common/reducer.js
index cca47ac6f..5e94a2fa4 100644
--- a/modules/ppcp-settings/resources/js/data/common/reducer.js
+++ b/modules/ppcp-settings/resources/js/data/common/reducer.js
@@ -79,6 +79,11 @@ const commonReducer = createReducer( defaultTransient, defaultPersistent, {
 		return setTransient( state, { activities: newActivities } );
 	},
 
+	[ ACTION_TYPES.DO_REFRESH_MERCHANT ]: ( state ) => ( {
+		...state,
+		merchant: Object.freeze( { ...defaultTransient.merchant } ),
+	} ),
+
 	[ ACTION_TYPES.HYDRATE ]: ( state, payload ) => {
 		const newState = setPersistent( state, payload.data );
 
diff --git a/modules/ppcp-settings/src/Endpoint/CommonRestEndpoint.php b/modules/ppcp-settings/src/Endpoint/CommonRestEndpoint.php
index b6fe29d4a..3c0131759 100644
--- a/modules/ppcp-settings/src/Endpoint/CommonRestEndpoint.php
+++ b/modules/ppcp-settings/src/Endpoint/CommonRestEndpoint.php
@@ -130,6 +130,18 @@ class CommonRestEndpoint extends RestEndpoint {
 				),
 			)
 		);
+
+		register_rest_route(
+			$this->namespace,
+			"/$this->rest_base/merchant",
+			array(
+				array(
+					'methods'             => WP_REST_Server::READABLE,
+					'callback'            => array( $this, 'get_merchant_details' ),
+					'permission_callback' => array( $this, 'check_permission' ),
+				),
+			)
+		);
 	}
 
 	/**
@@ -168,6 +180,18 @@ class CommonRestEndpoint extends RestEndpoint {
 		return $this->get_details();
 	}
 
+	/**
+	 * Returns only the (read-only) merchant details from the DB.
+	 *
+	 * @return WP_REST_Response Merchant details.
+	 */
+	public function get_merchant_details() : WP_REST_Response {
+		$js_data    = array(); // No persistent data.
+		$extra_data = $this->add_merchant_info( array() );
+
+		return $this->return_success( $js_data, $extra_data );
+	}
+
 	/**
 	 * Appends the "merchant" attribute to the extra_data collection, which
 	 * contains details about the merchant's PayPal account, like the merchant ID.