generated: '2026-07-19'
method: searched
source: https://docs.extend.com/docs/sdk-reference
note: >-
  Extend ships first-party client-side SDKs that render embeddable protection-offer surfaces
  (offer modals, display units, shipping-protection offers) and analytics on merchant storefronts.
  Distinct from server-side integration; see packages/ for the source repos.
families:
- name: Extend SDK (client)
  description: >-
    Core client-side JavaScript SDK for rendering product-protection offer modals/display units
    and capturing analytics on the storefront. Extend Analytics SDK methods are now folded into
    the Extend SDK.
  docs: https://helloextend.github.io/extend-sdk-client/
  repo: https://github.com/helloextend/extend-sdk-client
- name: Extend Shopify SDK add-on
  description: Shopify-specific client SDK add-on for offer rendering in Shopify themes.
  docs: https://helloextend.github.io/extend-sdk-client-shopify-addon/
- name: Extend BigCommerce SDK
  description: BigCommerce sandbox store / client SDK for offer rendering.
  docs: https://helloextend.github.io/big-commerce-sandbox-store/