---
title: Storage API
description: The API for interacting with local storage.
api_version: 2026-07
api_name: customer-account-ui-extensions
source_url:
  html: >-
    https://shopify.dev/docs/api/customer-account-ui-extensions/2026-07-rc/target-apis/platform-apis/storage-api
  md: >-
    https://shopify.dev/docs/api/customer-account-ui-extensions/2026-07-rc/target-apis/platform-apis/storage-api.md
---

# Storage API

The API for interacting with local storage.

### Support Targets (24)

### Supported targets

* customer-account.​footer.​render-after
* customer-account.​order-index.​announcement.​render
* customer-account.​order-index.​block.​render
* customer-account.​order-status.​announcement.​render
* customer-account.​order-status.​block.​render
* customer-account.​order-status.​cart-line-item.​render-after
* customer-account.​order-status.​cart-line-list.​render-after
* customer-account.​order-status.​customer-information.​render-after
* customer-account.​order-status.​fulfillment-details.​render-after
* customer-account.​order-status.​payment-details.​render-after
* customer-account.​order-status.​return-details.​render-after
* customer-account.​order-status.​unfulfilled-items.​render-after
* customer-account.​order.​action.​menu-item.​render
* customer-account.​order.​action.​render
* customer-account.​order.​page.​render
* customer-account.​page.​render
* customer-account.​profile.​addresses.​render-after
* customer-account.​profile.​announcement.​render
* customer-account.​profile.​block.​render
* customer-account.​profile.​company-details.​render-after
* customer-account.​profile.​company-location-addresses.​render-after
* customer-account.​profile.​company-location-payment.​render-after
* customer-account.​profile.​company-location-staff.​render-after
* customer-account.​profile.​payment.​render-after

## StandardApi

The base API object provided to this and other `customer-account` extension targets.

* **storage**

  **Storage**

  **required**

  Key-value storage for the extension target.

### Storage

A key-value storage object for extension targets. Stored data is only available to this specific app but can be shared across multiple extension targets. The storage backend is implemented with \`localStorage\` and should persist for ... days However, data persistence isn't guaranteed.

* delete

  Delete stored data by key.

  ```ts
  (key: string) => Promise<void>
  ```

* read

  Read and return a stored value by key. The stored data is deserialized from JSON and returned as its original primitive. Returns \`null\` if no stored data exists.

  ```ts
  <T = unknown>(key: string) => Promise<T>
  ```

* write

  Write stored data for this key. The data must be serializable to JSON.

  ```ts
  (key: string, data: any) => Promise<void>
  ```

## Related

[Limitations - Order status page](https://shopify.dev/docs/apps/customer-accounts/order-status-page#pre-authenticated-order-status-page)