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 22 Complete, well-documented, and agent-ready

Salesforce Aura ComponentsSalesforce Aura Components is the legacy JavaScript component framework for building dynamic web applicatio...88.0 Salesforce Lightning Design System (SLDS)The Salesforce Lightning Design System (SLDS) provides HTML and CSS component blueprints, design tokens, an...88.0 Salesforce Lightning Web Components (LWC)Lightning Web Components (LWC) is Salesforce's standards-based JavaScript framework for building UI compone...88.0 Harness Component APIThe component API from Harness — 1 operation(s) for component.87.7 Customer.io Components APICustom components are reusable blocks of content that you build once and reference from any email. Use thes...85.9 Shopify PolarisPolaris is Shopify's unified UI framework built on web components for delivering a consistent experience ac...83.8 Postman Components APIThe components API from Postman — 5 operation(s) for components.82.5 Atlassian Compass APIThe Atlassian Compass API enables interacting with the Compass developer experience platform for managing s...79.8 Amazon CloudWatch Cloudwatch Component APIThe Cloudwatch Component API from Amazon CloudWatch — 5 operation(s) for cloudwatch component.77.4 JFrog Components APIComponent details and vulnerability information76.8 CueFrame Components APIBuilt-in + org-installed components.76.5 Figma Components APIEndpoints for querying published components, component sets, and styles from team libraries.75.1 Loops Components APICreate, read and update reusable LMX email components. 4 operation(s) in the Loops REST API v1 (OpenAPI 1.2...75.1 Atlassian Compass GraphQL APIThe Compass GraphQL API enables programmatic management of software components, scorecards, metrics, relati...74.7 Slack Interactivity APIThe Slack Interactivity API encompasses the mechanisms by which Slack apps handle user interactions with in...74.4 Stoplight ElementsElements is an open-source toolkit for building beautiful, interactive API documentation from OpenAPI speci...74.1 Appian UI SDKThe Appian UI SDK lets developers design custom component plug-ins to extend Appian interfaces by adding ne...70.7 CloudBees Components APICreate and manage the components in an organization. A component represents a source code repository that C...70.3 Maxio Components APIThe Component object represents an add-on item, such as a metered usage charge, quantity-based feature, or ...69.5 Sonatype Nexus Repository Components APIThe Components API from Sonatype Nexus Repository — 2 operation(s) for components.69.0 Boomi Components APIManage packaged components and integration pack attachments.68.5 Extole Components APIThe Components API from Extole — 21 operation(s) for components.67.9

Strong 20 Solid coverage with minor gaps

Cohesity Components APIThe Components API from Cohesity — 4 operation(s) for components.66.3 MediaMath Component Creatives APIComponent Creatives API (v3.0) for building and managing modular, component-based creatives in the MediaMat...66.2 MediaMath Components APIv3.0 component definition endpoints.66.2 Pipedream Components APIThe Components API from Pipedream — 4 operation(s) for components.65.5 Sonatype Components APIUse this REST API to retrieve a component's security vulnerability data, license data, age and popularity.64.6 Nuon Components APIcomponents63.4 Bentley Systems Components APIComponents resources for the iTwin Library API.63.3 Power Apps Component Framework APIAPIs for building custom components using the Power Apps Component Framework (PCF).63.2 Webflow Components APIThe Components API from Webflow — 3 operation(s) for components.60.5 Aedifion Component APICreating, modifying, and accessing components and related resources.60.3 Codecov Components APIThe Components API from Codecov — 1 operation(s) for components.59.7 LWR Sites APIBuild and customize Lightning Web Runtime sites for Experience Cloud. Provides documentation for creating L...58.8 EPA — U.S. Environmental Protection Agency Components APIThe Components API from EPA — U.S. Environmental Protection Agency — 1 operation(s) for components.58.7 ConfigHub Component APIThe Component API from ConfigHub — 4 operation(s) for component.58.5 Webflow API and Documentation Components APIThe Components API from Webflow API and Documentation — 3 operation(s) for components.56.5 SonarSource Components APIGet information about a component (file, directory, project, ...) and its ancestors or descendants. Update ...56.1 Check ComponentsCheck Components is a library of white-labeled, drop-in React UI elements that handle the highest-friction ...56.0 Choreo Components APIManage components (services, APIs, web apps, jobs) within projects.55.7 Storyblok Components APIComponents define the schema and field structure for story content. This includes managing component defini...55.1 Aloft Components APIComponents54.5

Developing 19 Usable, with meaningful gaps to close

Linktree Arbor RegistryArbor is Linktree's design system, published as a public HTTP component registry. Anonymous, unauthenticate...54.1 BugBug Components APIRetrieving components53.3 Yardi Canada Components APIPer-product and per-region service components53.1 Ditto (dittowords.com) Components APIThe Components API from Ditto (dittowords.com) — 8 operation(s) for components.52.8 Morningstar Enterprise Component APIsAPIs backing Morningstar's embeddable enterprise components - editorial and news search, security details a...51.2 Schematic Components APIThe components API from Schematic — 4 operation(s) for components.49.1 Mercedes-Benz Mercedes me Components APIThe Components API from Mercedes-Benz Mercedes me — 7 operation(s) for components.48.9 rendry-io Components APIThe Components API from rendry-io — 1 operation(s) for components.48.6 Discord Interactions APIThe Discord Interactions API enables applications to create and respond to application commands (slash comm...48.0 Dependency-Track Component APIThe component API from Dependency-Track — 8 operation(s) for component.47.2 Dependency-Track Components APIEndpoints related to components47.2 Macrometa Components APIThis endpoint retrieves the current configuration settings of a specified component used for integrating th...45.5 Sorry Components APIManage components displayed on status pages45.4 Utilita Components APIThe individual Utilita services tracked on the status page.45.2 SERTICA Components APIThe Components API from SERTICA — 40 operation(s) for components.45.0 Reonic Components APICatalog of solar, storage, EV charger, and heat-pump products available to your workspace.44.5 FactReason Components APIThe Components API from FactReason — 2 operation(s) for components.44.3 DevArmor Components APIThe components API from DevArmor — 2 operation(s) for components.43.7 Elastic.io Components APIManage integration components42.8

Thin 22 Limited public surface area

Emerging 15 Early or largely undocumented

Apache Wicket Component APIThe Wicket Component API provides the core Java classes for building web UIs. Pages extend WebPage, compone...25.6 AAR Component MROAAR component MRO services provide comprehensive maintenance, repair, and overhaul for aircraft components,...25.5 React Redux APIOfficial React bindings for Redux, enabling React components to interact with a Redux store. Provides hooks...24.9 Apache Tapestry Component APIThe Tapestry Component API provides Java annotations and interfaces for building reusable web components. C...24.8 what3words OCR Camera ComponentUI component that uses the device camera to scan three-word addresses from signage, packaging, or printed m...24.6 what3words Swift Map ComponentsUI components for embedding what3words grids, markers, and AutoSuggest experiences in Apple Maps-based iOS ...24.6 OnchainKitReact component library and TypeScript SDK (@coinbase/onchainkit) for building onchain apps on Base — walle...24.4 Chromatic Storybook and Stories APIRead the published Storybook and its structure. The `storybook(url)` query and the Story and Component node...21.0 SST FrameworkThe SST framework is an open source CLI and component library distributed via npm (`sst`) and as a Go-based...20.6 Framer Code Components APIAuthor custom React components with visual property controls (PropertyControls) so designers can use them o...18.1 Angular Material Components APIAngular Material is a comprehensive UI component library implementing Material Design for Angular applicati...15.3 Vishay Parts Data via DigiKey APIAccess Vishay component inventory, pricing, specifications, and datasheets through the DigiKey REST API. En...15.1 Vishay Parts Data via Octopart/Nexar APIAccess Vishay component data programmatically through the Octopart/Nexar API. Search for Vishay parts by pa...15.1 Angular Core APIThe Angular Core API provides the fundamental building blocks of the Angular framework including components...13.7 OnchainKit React SDKCore @coinbase/onchainkit npm package providing React components and TypeScript utilities for onchain apps....13.0

Minimal 1 Almost no public developer surface

React Core APICore React library for building component-based user interfaces.8.9

Companies reaching this through an API (92)

These companies publish an API, specification or operation carrying “Components” 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.

AAR Aedifion Agno Aloft Amazon CloudWatch Angular Angular Material Apache Tapestry Apache Wicket Appian Atlassian Atlassian Compass Aurora Solar Base Bentley Systems Boomi BugBug Check Choreo Chromatic CloudBees CodaMetrix Codecov Cohereon Cohesity Coinbase OnchainKit ConfigHub CueFrame Customer.io Dependency-Track Deutsche Telekom DevArmor Discord Ditto (dittowords.com) Elastic.io Employ Empowerly EPA — U.S. Environmental Protection Agency Extole FactReason Figma Framer Golem Harness Infinidat Isometric JFrog Keycloak Keygen Linktree

Show all 92 companies ↓

Loops Macrometa Maxio MediaMath Mercedes-Benz Mercedes me Microsoft Power Apps Morningstar Nuon Open Education API Order.co Pipedream Postman Qlik Sense Enterprise React Redux rendry-io Reonic Salesforce Salesforce Experience Cloud Schematic SERTICA Shift4 Payments Shopify Slack SonarSource Sonatype Sonatype Nexus Repository Sorry Spike.sh SST Statuspage Stoplight Storyblok TaskCall Utilita Vishay Intertechnology Vue.js Webflow Webflow API and Documentation Weblate what3words Yardi Canada

Score breakdown

Frequency

56.8

log-scaled weighted occurrences

Breadth

0.3

spread across providers

Quality lift

20.8

mean composite of providers using it

Cohesion

5.1

strength of nearest seed neighbor

Where this tag comes from

Api tag99

Provider tag20

Openapi tag42

Openapi op tag146

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Components

Providers using this tag (20)

APIs with this tag (99)