--- title: Storefront API Cart ID now includes key param — Shopify... description: The Storefront API Cart ID now requires a key param for mutation or query operations. Failing to include the key param results in the removal of buyer details... canonical: https://daily.dev/posts/storefront-api-cart-id-now-includes-key-param-shopify-developer-changelog-5qlalolj8 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Storefront API Cart ID now includes key param — Shopify developer changelog | daily.dev og:description: The Storefront API Cart ID now requires a key param for mutation or query operations. Failing to include the key param results in the removal of buyer details... og:url: https://daily.dev/posts/storefront-api-cart-id-now-includes-key-param-shopify-developer-changelog-5qlalolj8 og:image: https://api.daily.dev/og/posts/5QlALolJ8.png og:image:alt: Storefront API Cart ID now includes key param — Shopify developer changelog og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Storefront API Cart ID now includes key param — Shopify developer changelog **[Shopify Developer changelog](https://daily.dev/sources/shopifychangelog)** · 1 min read · 0 upvotes · 0 comments ## Summary The Storefront API Cart ID now requires a key param for mutation or query operations. Failing to include the key param results in the removal of buyer details and updates being applied to a new cart. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#shopify](https://daily.dev/tags/shopify) [View this post on daily.dev](https://daily.dev/posts/storefront-api-cart-id-now-includes-key-param-shopify-developer-changelog-5qlalolj8) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Storefront API Cart ID now includes key param — Shopify developer changelog","url":"https://daily.dev/posts/storefront-api-cart-id-now-includes-key-param-shopify-developer-changelog-5qlalolj8","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/storefront-api-cart-id-now-includes-key-param-shopify-developer-changelog-5qlalolj8"},"datePublished":"2024-05-06T16:15:26.113Z","dateModified":"2024-05-09T09:28:47.883Z","description":"The Storefront API Cart ID now requires a key param for mutation or query operations. Failing to include the key param results in the removal of buyer details...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/13068fb3627fb3ab801fdf579fa86048?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/13068fb3627fb3ab801fdf579fa86048?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Shopify Developer changelog","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Shopify Developer changelog","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/aefcb5d2c1ca4b45b5d2256b9e2a9cc3","url":"https://daily.dev/sources/shopifychangelog"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/storefront-api-cart-id-now-includes-key-param-shopify-developer-changelog-5qlalolj8","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"shopify","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Shopify Developer changelog","item":"https://daily.dev/sources/shopifychangelog"},{"@type":"ListItem","position":3,"name":"Storefront API Cart ID now includes key param — Shopify developer changelog"}]} ```