emerging · 0.1 capabilitymarket actiondomainresource

Cart

Score 23.7 / 100 15 providers +104 via APIs 128 APIs Search apis.io →
Variants seen in the corpus: CartCartscartcarts

Providers using this tag (15)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 1 Complete, well-documented, and agent-ready
SwellCommerceHeadless CommerceAPI-FirstB2C2 APIs66.9
Developing 2 Usable, with meaningful gaps to close
fabricCommerceComposable CommerceHeadless CommerceE-Commerce16 APIs42.0Shopify Storefront APICommerceE-CommerceHeadlessGraphQL1 API41.0
Thin 2 Limited public surface area
WugenCompanyBiotechnologyCell TherapyOncology7 APIs27.9SAP Commerce CloudE-CommerceCommerceRetailB2B2 APIs26.7
Minimal 10 Almost no public developer surface
AbelZeta PharmaCompanyHealthcareBiotechnologyCell Therapy10.5Sail BiomedicinesCompanyBiotechnologyPharmaceuticalsRNA9.5Kyverna TherapeuticsCompanyBiotech TherapeuticsBiotechnologyCell Therapy7.2Link Cell TherapiesCompanyBiotechnologyLife SciencesCell Therapy6.9Umoja BiopharmaCompanyBiotechnologyImmunotherapy6.7Autolus *CompanyLife SciencesBiopharmaceuticalBiotechnology3.3Stylus MedicineCompanyBiotechnologyGenetic Medicine3.3Cell Design LabsCompanyHealthcareBiotechnologyCell Therapy2.2Orbital TherapeuticsCompanyBiotechnologyPharmaceuticalsRNA Medicines2.2oricellCompanyBiotechnologyPharmaceuticalsCell Therapy2.2

APIs with this tag (108)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 10 Complete, well-documented, and agent-ready
Shopify Cart APIManage the shopping cart90.2Salesforce B2B Commerce APIThe Salesforce B2B Commerce API provides REST endpoints for handling commerce data in B2B and D2C storefron...87.5HubSpot Carts APIThe carts API enables you to create and manage ecommerce cart data in HubSpot. You can sync cart informatio...87.1HubSpot CRM Carts APIHubSpot CRM Carts — 14 operation(s) from HubSpot's published OpenAPI.87.1Optimizely Carts APIThe Carts API from Optimizely — 8 operation(s) for carts.77.4GetResponse Carts APICarts API documentation74.3Salla Carts APIThe Carts API from Salla — 1 operation(s) for carts.72.4Commerce Layer carts APIOperations with carts resource70.8Swell Cart APISession-scoped shopping cart for the current visitor.66.9Swell Carts APIPending purchase requests that can be converted into orders.66.9
Strong 7 Solid coverage with minor gaps
Antavo Cart APICart endpoints collection64.1Medusa Carts APIA cart is a virtual shopping bag that customers can use to add items they want to purchase. A cart is then ...62.7Medusa Carts APIThe Carts API from Medusa — 3 operation(s) for carts.62.7Conga Carts APIThe Cart Controller62.6ServiceNow Cart APIOperations for managing the shopping cart and submitting orders.60.7Fraud.net Public APIPublic API for evaluating cart, order, transaction, loan-application, account-application and login risk in...58.5Loop Returns Cart APIThe Cart API from Loop Returns — 2 operation(s) for cart.55.7
Developing 34 Usable, with meaningful gaps to close
Cart.com Carts APIThe Carts API from Cart.com — 1 operation(s) for carts.50.0BigCommerce Cart APIThe Cart API from BigCommerce — 2 operation(s) for cart.49.9WooCommerce Cart APIManage the current shopper's cart session including items, coupons, and shipping49.7Alliance Data Systems (Bread Financial Holdings) Carts APIManage Bread shopping carts that initiate the BNPL checkout flow.47.5Bagisto REST APIRESTful API for managing all Bagisto e-commerce operations including products, categories, customers, order...46.1MikMak Cart APIThe Cart API from MikMak — 1 operation(s) for cart.45.7PayJoy Carts APIRetrieve cart information.45.5Passport Cart APIThe Cart API from Passport — 1 operation(s) for cart.45.1Tech Data Carts APIShopping cart management44.0Hyperice Storefront GraphQL APIThe Shopify Storefront GraphQL API served on Hyperice's own domain. Full introspection succeeded unauthenti...43.8Newstore cart APIOperations on carts43.8ColdSnap Storefront GraphQL APIThe live Shopify Storefront GraphQL API served from the ColdSnap primary domain. Anonymously introspectable...43.4commercetools Carts APIManage shopping carts with line items, discounts, shipping, and tax calculations.42.6SAP Commerce Cloud Cart APIShopping cart management42.4SAP Commerce Cloud Carts APICart emulation and management on behalf of customers42.4OpenCart Cart APIShopping cart product management42.2Also Cart APIThe current session cart.42.1ALSO Storefront GraphQL APIThe Shopify Storefront GraphQL API served on ALSO's own domain. Open, unauthenticated introspection was con...42.1fabric Cart APICart endpoints are used to do basic cart operations, such as create a cart, add item to the corresponding c...42.0fabric Carts APICart endpoints are used to perform basic cart operations, such as create, update, delete and more.42.0Advance Auto Parts Cart APIShopping cart management41.9Ordoro Cart APICurrent routes for `/cart/` are sometimes interchangeably referenced as `sales_channel`41.9BreadPay Merchant Operations APIThe merchant-facing transaction lifecycle — authorize, settle, refund, cancel, rescind, extend expiration —...41.0Lemon Perfect Storefront GraphQL APIThe Shopify Storefront GraphQL API served on lemonperfect.com. Introspection is open anonymously: 428 types...41.0Shopify Buy SDKThe Shopify JavaScript Buy SDK is a lightweight library that enables developers to integrate Shopify's stor...41.0Kate Farms Storefront GraphQL APIThe Shopify Storefront GraphQL API as deployed on Kate Farms' own host. Anonymous introspection succeeded o...40.4FinditParts Carts APIDraft-order (cart) lifecycle: line items, addresses, shipping method, coupon, PO number and checkout.40.2Unstoppable Domains Cart APIShopping cart management, payment methods, and checkout (requires authentication)40.1Slingshot Bio Storefront GraphQL APIThe Shopify Storefront GraphQL API for the Slingshot Bio online store, declared by the company in its own /...39.7GetYourGuide Carts APIThe Carts API from GetYourGuide — 2 operation(s) for carts.39.6Spree Commerce Cart APIThe Cart API from Spree Commerce — 1 operation(s) for cart.39.6Spree Commerce Cart APIThe Cart API from Spree Commerce — 1 operation(s) for cart.39.6Spree Commerce Carts APIShopping cart management39.6Spree Commerce Carts APIShopping cart management39.6
Thin 35 Limited public surface area
Terminal Cart APIThe Cart API from Terminal — 5 operation(s) for cart.39.0MealMe Carts APICart creation, retrieval, and item management.38.8Bobbie Storefront GraphQL APIThe Shopify Storefront GraphQL API as served from Bobbie's own domain. Introspection is anonymous — the ful...38.7Dolls Kill Storefront GraphQL APIThe Shopify Storefront GraphQL API as served from Dolls Kill's own host at /api/{version}/graphql.json. Ano...37.3Synnex Cart APIShopping cart operations.36.0Tecovas Agentic Commerce (UCP/MCP)Tecovas implements the Universal Commerce Protocol 2026-04-08 on its Shopify checkout host, exposing an MCP...35.9Tecovas Storefront GraphQL APIThe Shopify Storefront GraphQL API as deployed on the Tecovas checkout host. Anonymous introspection succee...35.9Brooklinen Cart APIRead-only view of the current session cart.35.1OLIPOP Agent Commerce API (UCP over MCP)Agent-facing commerce surface for the OLIPOP storefront, implementing the Universal Commerce Protocol (UCP)...35.0OLIPOP Storefront GraphQL APIShopify Storefront GraphQL API served on the OLIPOP domain, exposing 35 root query fields and 41 mutations ...35.0Wix Cart APIThe Cart API from Wix — 3 operation(s) for cart.34.9TD SYNNEX Carts APIShopping cart management34.5Supergoop! Storefront GraphQL APIThe Shopify Storefront GraphQL API as served for supergoop.com. Introspection is open and anonymous, return...34.3Brushfire Cart APIThe Cart API from Brushfire — 11 operation(s) for cart.34.1AG1 Storefront MCP ServerAnonymous Model Context Protocol server on AG1's storefront host exposing five tools - search_catalog, get_...34.0Fnatic Shop Storefront GraphQL APIThe Shopify Storefront GraphQL API as served from Fnatic's own shop domain. Introspection is anonymous — th...33.4Kite Hill Storefront GraphQL APIThe Shopify Storefront GraphQL API as served from Kite Hill's own domain. Introspection is anonymous — the ...33.2Black Buffalo Storefront GraphQL APIThe Shopify Storefront GraphQL API as served from Black Buffalo's own domain. Introspection is anonymous — ...32.6David Protein Storefront MCPThe Shopify storefront MCP server David serves at davidprotein.com/api/mcp, declared in the storefront page...32.1David Protein UCP Commerce MCPThe Universal Commerce Protocol commerce server David serves at davidprotein.com/api/ucp/mcp, advertised in...32.1Johnnie-O Storefront GraphQL APIAnonymous, fully introspectable GraphQL endpoint served from Johnnie-O's own Hydrogen storefront host. This...31.5Johnnie-O UCP Commerce MCP EndpointLive remote MCP server implementing the Universal Commerce Protocol shopping service (version 2026-04-08) o...31.5MAKEUP BY MARIO Storefront GraphQL APIThe Shopify Storefront GraphQL API as served from MAKEUP BY MARIO's own domain. Introspection is anonymous ...31.5magento Carts APIShopping cart and quote management for admin, customer, and guest users, including item management, coupon ...31.0Magento GraphQL APIThe Adobe Commerce GraphQL API offers a flexible, query-driven interface designed primarily for building he...31.0Shapeways Cart APIShipping options for a destination.31.0Ciloo Cart APIOAuth 1.0a (HMAC-SHA1) REST API on the ciloo/v1 namespace of a Ciloo brand store. Read, add, update and rem...29.0Boulevard Client API - Booking Cart & CheckoutBuild custom, on-brand self-booking experiences on top of a cart workflow - create a cart for a location, a...28.9Subbly Cart APICart and checkout operations (modeled from the SDK and SubblyCart.js).28.9Julep Beauty Cart APIRead-only view of the current session cart.27.9Cirkul Storefront Agent APIThe agent-facing commerce surface Cirkul serves from its own drinkcirkul.com host. It comprises an anonymou...27.5Crystallize Shop APIEdge-distributed GraphQL API for cart, promotions, and checkout flows. Optimized for low-latency storefront...27.1Magento 2 (Adobe Commerce) Carts APIThe Carts API from Magento 2 (Adobe Commerce) — 2 operation(s) for carts.27.0SAP Commerce Cloud OCC APIThe Omni Commerce Connect (OCC) REST API exposes a broad set of commerce and data services, enabling integr...26.7Rokt Cart APISupports integration of Rokt into ecommerce transaction flows, enabling placement of personalized offers du...26.2
Emerging 22 Early or largely undocumented
Reverb Cart APIThe Cart API from Reverb — 1 operation(s) for cart.25.8Fake Store API Carts APIShopping cart operations.25.2Bartesian Commerce (UCP Shopping)The agent-facing commerce surface of the Bartesian Shopify storefront. The store publishes a Universal Comm...25.1Glowbar UCP Commerce MCP APIThe agent-facing commerce interface for the Glowbar online store. A Model Context Protocol (MCP) endpoint i...24.8Dutchie Plus Checkout APIThe stateful cart and order lifecycle via GraphQL mutations - `createCheckout`, `addItem`, `updateQuantity`...23.5Hero Bread Storefront Agent Commerce (UCP/MCP)The agent-facing commerce interface for the Hero Bread online store. An MCP server at https://shop.hero.co/...23.5Oatside SG Storefront UCP / MCPThe agent-facing commerce surface of Oatside's Singapore direct-to-consumer storefront. Implements the Univ...23.2Kroger Cart and Checkout APIThe Kroger Cart API allows authenticated customers to add items directly to their Pick 'n Save, Metro Marke...23.0UrbanStems Commerce MCP APIThe agent-facing commerce surface for the UrbanStems store, implementing the Universal Commerce Protocol (d...23.0Agilitas Commerce MCP APIThe agent-facing commerce surface for the Agilitas store, implementing the Universal Commerce Protocol (dev...22.8Bombas Commerce (UCP Shopping)The agent-facing commerce surface of the Bombas Shopify storefront. The store publishes a Universal Commerc...22.6AeroFarms Store APIPublic, unauthenticated read access to the AeroFarms WooCommerce storefront through the WooCommerce Store A...22.4PRIME Storefront Agentic Commerce API (UCP / MCP)The agent-facing commerce surface of the PRIME online store. Served from drinkprime.com, it implements the ...21.4Flamingo Storefront MCP ServerAnonymous Model Context Protocol server exposed by the Flamingo storefront at /api/mcp, with the same five-...21.1Harry's Storefront MCP ServerAnonymous Model Context Protocol server exposed by the Harry's storefront at /api/mcp. Five tools — search_...21.1Willie's Reserve Commerce Agent API (UCP/MCP)A live Model Context Protocol server implementing the Universal Commerce Protocol shopping service for the ...21.1Annex Cloud Orders and Receipts APISubmit cart and order data and upload purchase receipts to drive loyalty accrual. Documented operations inc...21.0Blue Origin Shop MCP ServerThe Blue Origin Shop storefront exposes an anonymous Model Context Protocol endpoint at https://shop.blueor...18.4InkSoft Cart & Orders APIDrive an external cart and checkout flow against an InkSoft store. Documented API 2 methods include GetCart...16.6uppercase UCP Shopping MCPThe Universal Commerce Protocol (UCP) shopping service for the uppercase storefront, exposed as a remote Mo...16.3Agnikul Cosmos Store Commerce MCP APIThe agent-facing commerce surface for Cosmos Store, Agnikul's branded merchandise shop, implementing the Un...15.9Hearth & Home Technologies Agent Commerce (UCP/MCP)The Hearth & Home Technologies storefront implements the Universal Commerce Protocol (UCP) over an anonymou...14.4

Companies reaching this through an API (104)

These companies publish an API, specification or operation carrying “Cart” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

100 Thieves 4th & Heart Acefour Accessories Adrenaline Shoc Advance Auto Parts AeroFarms AG1 Agilitas Sports Agnikul Cosmos Alliance Data Systems (Bread Financial Holdings) Also Annex Cloud Antavo Arlettie Bagisto Bartesian BigCommerce Black Buffalo Blue Origin Bobbie Bombas Boulevard Bread Financial Brooklinen Brushfire Cart.com Ciloo Cirkul ColdSnap Commerce Layer commercetools Conga Crystallize David Protein Dolls Kill Dutchie Fake Store API FinditParts Fnatic Fraud.net GetResponse GetYourGuide Glowbar Hero Bread HNI Corporation Hubble Contacts HubSpot Hyperice InkSoft Johnnie-O
Show all 104 companies ↓
Julep Beauty Kate Farms Kite Hill Lemon Perfect Loop Returns Magento Magento 2 (Adobe Commerce) Makeup by Mario Mammoth Brands MealMe Medusa MikMak Mud\Wtr Newstore Oatside Off Grid Stores - All Things Off-Grid Solar Olipop OpenCart Optimizely Ordoro Passport PayJoy Poppi Prime Hydration Quip NYC Rael Reverb Rock The Bells Rokt Roundy's Salesforce Salla SAP Commerce Cloud ServiceNow Shapeways Shopify Slingshot Biosciences Spree Commerce Subbly Supergoop! Synnex TD SYNNEX Tech Data Tecovas Terminal Therabody TRUFF Underdog Unstoppable Domains UrbanStems Voyage Foods Willie's Reserve Wix WooCommerce

Score breakdown

Frequency
64.2
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
19.5
mean composite of providers using it
Cohesion
24.1
strength of nearest seed neighbor

Related tags

Checkout 64 co-occurrences Universal Commerce Protocol 33 co-occurrences Agentic Commerce 44 co-occurrences Storefront 19 co-occurrences Shopify 44 co-occurrences Commerce 37 co-occurrences Catalog 61 co-occurrences Product 57 co-occurrences

Where this tag comes from

Api tag128
Provider tag15
Openapi tag50
Openapi op tag228

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