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 1645547d9..5d5968591 100644
--- a/modules/ppcp-settings/resources/js/data/common/action-types.js
+++ b/modules/ppcp-settings/resources/js/data/common/action-types.js
@@ -1,9 +1,6 @@
 /**
  * Action Types: Define unique identifiers for actions across all store modules.
  *
- * Keys are module-internal and can have any value.
- * Values must be unique across all store modules to avoid collisions.
- *
  * @file
  */
 
@@ -13,6 +10,7 @@ export default {
 
 	// Persistent data.
 	SET_PERSISTENT: 'COMMON:SET_PERSISTENT',
+	HYDRATE: 'COMMON:HYDRATE',
 
 	// Controls - always start with "DO_".
 	DO_PERSIST_DATA: 'COMMON:DO_PERSIST_DATA',
diff --git a/modules/ppcp-settings/resources/js/data/common/actions.js b/modules/ppcp-settings/resources/js/data/common/actions.js
index 3992e0ff5..4586b8923 100644
--- a/modules/ppcp-settings/resources/js/data/common/actions.js
+++ b/modules/ppcp-settings/resources/js/data/common/actions.js
@@ -2,7 +2,6 @@
  * Action Creators: Define functions to create action objects.
  *
  * These functions update state or trigger side effects (e.g., async operations).
- * Exported functions must have unique names across all store modules.
  * Actions are categorized as Transient, Persistent, or Side effect.
  *
  * @file
@@ -10,91 +9,98 @@
 
 import ACTION_TYPES from './action-types';
 
+/**
+ * @typedef {Object} Action An action object that is handled by a reducer or control.
+ * @property {string}  type    - The action type.
+ * @property {Object?} payload - Optional payload for the action.
+ */
+
 /**
  * Transient. Marks the onboarding details as "ready", i.e., fully initialized.
  *
  * @param {boolean} isReady
- * @return {{type: string, isReady: boolean}} The action.
+ * @return {Action} The action.
  */
-export const setIsReady = ( isReady ) => {
-	return {
-		type: ACTION_TYPES.SET_TRANSIENT,
-		isReady,
-	};
-};
+export const setIsReady = ( isReady ) => ( {
+	type: ACTION_TYPES.SET_TRANSIENT,
+	payload: { isReady },
+} );
 
 /**
  * Transient. Changes the "saving" flag.
  *
  * @param {boolean} isSaving
- * @return {{type: string, isSaving: boolean}} The action.
+ * @return {Action} The action.
  */
-export const setIsSaving = ( isSaving ) => {
-	return {
-		type: ACTION_TYPES.SET_TRANSIENT,
-		isSaving,
-	};
-};
+export const setIsSaving = ( isSaving ) => ( {
+	type: ACTION_TYPES.SET_TRANSIENT,
+	payload: { isSaving },
+} );
+
+/**
+ * Transient. Changes the "manual connection is busy" flag.
+ *
+ * @param {boolean} isBusy
+ * @return {Action} The action.
+ */
+export const setIsBusy = ( isBusy ) => ( {
+	type: ACTION_TYPES.SET_TRANSIENT,
+	payload: { isBusy },
+} );
 
 /**
  * Persistent. Sets the sandbox mode on or off.
  *
  * @param {boolean} useSandbox
- * @return {{type: string, useSandbox: boolean}} An action.
+ * @return {Action} The action.
  */
-export const setSandboxMode = ( useSandbox ) => {
-	return {
-		type: ACTION_TYPES.SET_PERSISTENT,
-		useSandbox,
-	};
-};
+export const setSandboxMode = ( useSandbox ) => ( {
+	type: ACTION_TYPES.SET_PERSISTENT,
+	payload: { useSandbox },
+} );
 
 /**
  * Persistent. Toggles the "Manual Connection" mode on or off.
  *
  * @param {boolean} useManualConnection
- * @return {{type: string, useManualConnection: boolean}} An action.
+ * @return {Action} The action.
  */
-export const setManualConnectionMode = ( useManualConnection ) => {
-	return {
-		type: ACTION_TYPES.SET_PERSISTENT,
-		useManualConnection,
-	};
-};
+export const setManualConnectionMode = ( useManualConnection ) => ( {
+	type: ACTION_TYPES.SET_PERSISTENT,
+	payload: { useManualConnection },
+} );
 
 /**
  * Persistent. Changes the "client ID" value.
  *
  * @param {string} clientId
- * @return {{type: string, clientId: string}} The action.
+ * @return {Action} The action.
  */
-export const setClientId = ( clientId ) => {
-	return {
-		type: ACTION_TYPES.SET_PERSISTENT,
-		clientId,
-	};
-};
+export const setClientId = ( clientId ) => ( {
+	type: ACTION_TYPES.SET_PERSISTENT,
+	payload: { clientId },
+} );
 
 /**
  * Persistent. Changes the "client secret" value.
  *
  * @param {string} clientSecret
- * @return {{type: string, clientSecret: string}} The action.
+ * @return {Action} The action.
  */
-export const setClientSecret = ( clientSecret ) => {
-	return {
-		type: ACTION_TYPES.SET_PERSISTENT,
-		clientSecret,
-	};
-};
+export const setClientSecret = ( clientSecret ) => ( {
+	type: ACTION_TYPES.SET_PERSISTENT,
+	payload: { clientSecret },
+} );
 
 /**
  * Side effect. Saves the persistent details to the WP database.
  *
- * @return {{type: string}} The action.
+ * @return {Action} The action.
  */
-export function* commonPersist() {
-	return {
+export const persist = function* () {
+	yield setIsBusy( true );
+	yield {
 		type: ACTION_TYPES.DO_PERSIST_DATA,
 	};
-}
+	yield setIsBusy( false );
+};
diff --git a/modules/ppcp-settings/resources/js/data/common/constants.js b/modules/ppcp-settings/resources/js/data/common/constants.js
index 365bfe305..881cac2f5 100644
--- a/modules/ppcp-settings/resources/js/data/common/constants.js
+++ b/modules/ppcp-settings/resources/js/data/common/constants.js
@@ -5,7 +5,7 @@
  *
  * @type {string}
  */
-export const STORE_KEY = 'common';
+export const STORE_NAME = 'wc/paypal/common';
 
 /**
  * REST path to hydrate data of this module by loading data from the WP DB..
@@ -14,7 +14,7 @@ export const STORE_KEY = 'common';
  *
  * @type {string}
  */
-export const REST_HYDRATE_PATH = 'common';
+export const REST_HYDRATE_PATH = '/wc/v3/wc_paypal/common';
 
 /**
  * REST path to persist data of this module to the WP DB.
@@ -23,4 +23,4 @@ export const REST_HYDRATE_PATH = 'common';
  *
  * @type {string}
  */
-export const REST_PERSIST_PATH = 'common';
+export const REST_PERSIST_PATH = '/wc/v3/wc_paypal/common';
diff --git a/modules/ppcp-settings/resources/js/data/common/controls.js b/modules/ppcp-settings/resources/js/data/common/controls.js
index 45b3e6ea5..e18bb48ec 100644
--- a/modules/ppcp-settings/resources/js/data/common/controls.js
+++ b/modules/ppcp-settings/resources/js/data/common/controls.js
@@ -1,32 +1,27 @@
 /**
  * Controls: Implement side effects, typically asynchronous operations.
  *
- * Controls use ACTION_TYPES keys as identifiers to ensure uniqueness.
+ * Controls use ACTION_TYPES keys as identifiers.
  * They are triggered by corresponding actions and handle external interactions.
  *
  * @file
  */
 
-import { select } from '@wordpress/data';
-import { apiFetch } from '@wordpress/api-fetch';
+import apiFetch from '@wordpress/api-fetch';
 
-import { NAMESPACE, STORE_NAME } from '../constants';
 import { REST_PERSIST_PATH } from './constants';
 import ACTION_TYPES from './action-types';
-export const controls = {
-	[ ACTION_TYPES.DO_PERSIST_DATA ]: async () => {
-		const path = `${ NAMESPACE }/${ REST_PERSIST_PATH }`;
-		const data = select( STORE_NAME ).getPersistentData();
 
+export const controls = {
+	async [ ACTION_TYPES.DO_PERSIST_DATA ]( { data } ) {
 		try {
 			return await apiFetch( {
-				path,
-				method: 'post',
+				path: REST_PERSIST_PATH,
+				method: 'POST',
 				data,
 			} );
 		} catch ( error ) {
-			console.error( 'Error saving progress.', error );
-			throw error;
+			console.error( 'Error saving data.', error );
 		}
 	},
 };
diff --git a/modules/ppcp-settings/resources/js/data/common/hooks.js b/modules/ppcp-settings/resources/js/data/common/hooks.js
index a201c6d37..907ee00f3 100644
--- a/modules/ppcp-settings/resources/js/data/common/hooks.js
+++ b/modules/ppcp-settings/resources/js/data/common/hooks.js
@@ -3,7 +3,22 @@
  *
  * These encapsulate store interactions, offering a consistent interface.
  * Hooks simplify data access and manipulation for components.
- * Exported hooks must have unique names across all store modules.
  *
  * @file
  */
+
+import { useSelect } from '@wordpress/data';
+
+import { STORE_NAME } from './constants';
+
+const useTransient = ( key ) =>
+	useSelect(
+		( select ) => select( STORE_NAME ).transientData()?.[ key ],
+		[ key ]
+	);
+
+const usePersistent = ( key ) =>
+	useSelect(
+		( select ) => select( STORE_NAME ).persistentData()?.[ key ],
+		[ key ]
+	);
diff --git a/modules/ppcp-settings/resources/js/data/common/index.js b/modules/ppcp-settings/resources/js/data/common/index.js
index a8c685d37..60f81da60 100644
--- a/modules/ppcp-settings/resources/js/data/common/index.js
+++ b/modules/ppcp-settings/resources/js/data/common/index.js
@@ -1,8 +1,26 @@
-import { STORE_KEY } from './constants';
+import { createReduxStore, register } from '@wordpress/data';
+import { controls as wpControls } from '@wordpress/data-controls';
+
+import { STORE_NAME } from './constants';
 import reducer from './reducer';
 import * as selectors from './selectors';
 import * as actions from './actions';
-import * as resolvers from './resolvers';
+import * as hooks from './hooks';
+import { resolvers } from './resolvers';
 import { controls } from './controls';
 
-export { reducer, selectors, actions, resolvers, controls, STORE_KEY };
+export const initStore = () => {
+	const store = createReduxStore( STORE_NAME, {
+		reducer,
+		controls: { ...wpControls, ...controls },
+		actions,
+		selectors,
+		resolvers,
+	} );
+
+	register( store );
+};
+
+export { hooks };
+
+export { STORE_NAME };
diff --git a/modules/ppcp-settings/resources/js/data/common/reducer.js b/modules/ppcp-settings/resources/js/data/common/reducer.js
index 583fd7540..d16106379 100644
--- a/modules/ppcp-settings/resources/js/data/common/reducer.js
+++ b/modules/ppcp-settings/resources/js/data/common/reducer.js
@@ -2,7 +2,6 @@
  * Reducer: Defines store structure and state updates for this module.
  *
  * Manages both transient (temporary) and persistent (saved) state.
- * Each module uses isolated memory objects to prevent conflicts.
  * The initial state must define all properties, as dynamic additions are not supported.
  *
  * @file
@@ -16,6 +15,7 @@ import ACTION_TYPES from './action-types';
 const defaultTransient = {
 	isReady: false,
 	isSaving: false,
+	isBusy: false,
 };
 
 const defaultPersistent = {
@@ -38,6 +38,9 @@ const commonReducer = createReducer( defaultTransient, defaultPersistent, {
 
 	[ ACTION_TYPES.SET_PERSISTENT ]: ( state, action ) =>
 		setPersistent( state, action ),
+
+	[ ACTION_TYPES.HYDRATE ]: ( state, payload ) =>
+		setPersistent( state, payload.data ),
 } );
 
 export default commonReducer;
diff --git a/modules/ppcp-settings/resources/js/data/common/resolvers.js b/modules/ppcp-settings/resources/js/data/common/resolvers.js
index 2358496be..ceebca53f 100644
--- a/modules/ppcp-settings/resources/js/data/common/resolvers.js
+++ b/modules/ppcp-settings/resources/js/data/common/resolvers.js
@@ -2,7 +2,7 @@
  * Resolvers: Handle asynchronous data fetching for the store.
  *
  * These functions update store state with data from external sources.
- * Each resolver corresponds to a specific selector but must have a unique name.
+ * Each resolver corresponds to a specific selector (selector with same name must exist).
  * Resolvers are called automatically when selectors request unavailable data.
  *
  * @file
@@ -12,26 +12,25 @@ import { dispatch } from '@wordpress/data';
 import { __ } from '@wordpress/i18n';
 import { apiFetch } from '@wordpress/data-controls';
 
-import { NAMESPACE } from '../constants';
-import { setIsReady, setCommonDetails } from './actions';
-import { REST_HYDRATE_PATH } from './constants';
+import { STORE_NAME, REST_HYDRATE_PATH } from './constants';
 
-/**
- * Retrieve settings from the site's REST API.
- */
-export function* commonPersistentData() {
-	const path = `${ NAMESPACE }/${ REST_HYDRATE_PATH }`;
+export const resolvers = {
+	/**
+	 * Retrieve settings from the site's REST API.
+	 */
+	*persistentData() {
+		try {
+			const result = yield apiFetch( { path: REST_HYDRATE_PATH } );
 
-	try {
-		const result = yield apiFetch( { path } );
-		yield setCommonDetails( result );
-		yield setIsReady( true );
-	} catch ( e ) {
-		yield dispatch( 'core/notices' ).createErrorNotice(
-			__(
-				'Error retrieving plugin details.',
-				'woocommerce-paypal-payments'
-			)
-		);
-	}
-}
+			yield dispatch( STORE_NAME ).hydrate( result );
+			yield dispatch( STORE_NAME ).setIsReady( true );
+		} catch ( e ) {
+			yield dispatch( 'core/notices' ).createErrorNotice(
+				__(
+					'Error retrieving plugin details.',
+					'woocommerce-paypal-payments'
+				)
+			);
+		}
+	},
+};
diff --git a/modules/ppcp-settings/resources/js/data/common/selectors.js b/modules/ppcp-settings/resources/js/data/common/selectors.js
index 4ea6e86a7..14334fcf3 100644
--- a/modules/ppcp-settings/resources/js/data/common/selectors.js
+++ b/modules/ppcp-settings/resources/js/data/common/selectors.js
@@ -3,32 +3,19 @@
  *
  * These functions provide a consistent interface for accessing store data.
  * They allow components to retrieve data without knowing the store structure.
- * Exported functions must have unique names across all store modules.
  *
  * @file
  */
 
-import { STORE_KEY } from './constants';
-
 const EMPTY_OBJ = Object.freeze( {} );
 
-const getState = ( state ) => {
-	if ( ! state ) {
-		return EMPTY_OBJ;
-	}
+const getState = ( state ) => state || EMPTY_OBJ;
 
-	return state[ STORE_KEY ] || EMPTY_OBJ;
-};
-
-export const commonPersistentData = ( state ) => {
+export const persistentData = ( state ) => {
 	return getState( state ).data || EMPTY_OBJ;
 };
 
-export const commonTransientData = ( state ) => {
-	const { data, flags, ...transientState } = getState( state );
+export const transientData = ( state ) => {
+	const { data, ...transientState } = getState( state );
 	return transientState || EMPTY_OBJ;
 };
-
-export const commonFlags = ( state ) => {
-	return getState( state ).flags || EMPTY_OBJ;
-};