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 16 Complete, well-documented, and agent-ready

Harness Component APIThe component API from Harness — 1 operation(s) for component.89.2 Salesforce Aura ComponentsSalesforce Aura Components is the legacy JavaScript component framework for building dynamic web applicatio...88.8 Salesforce Lightning Design System (SLDS)The Salesforce Lightning Design System (SLDS) provides HTML and CSS component blueprints, design tokens, an...88.8 Salesforce Lightning Web Components (LWC)Lightning Web Components (LWC) is Salesforce's standards-based JavaScript framework for building UI compone...88.8 Customer.io Components APICustom components are reusable blocks of content that you build once and reference from any email. Use thes...84.0 Shopify PolarisPolaris is Shopify's unified UI framework built on web components for delivering a consistent experience ac...83.0 Postman Components APIThe components API from Postman — 5 operation(s) for components.78.0 Stoplight ElementsElements is an open-source toolkit for building beautiful, interactive API documentation from OpenAPI speci...74.8 Atlassian Compass APIThe Atlassian Compass API enables interacting with the Compass developer experience platform for managing s...73.8 Atlassian Compass GraphQL APIThe Compass GraphQL API enables programmatic management of software components, scorecards, metrics, relati...71.3 Loops Components APICreate, read and update reusable LMX email components. 4 operation(s) in the Loops REST API v1 (OpenAPI 1.2...70.1 JFrog Components APIComponent details and vulnerability information68.9 Cohesity Components APIThe Components API from Cohesity — 4 operation(s) for components.68.4 Appian UI SDKThe Appian UI SDK lets developers design custom component plug-ins to extend Appian interfaces by adding ne...67.5 Slack Interactivity APIThe Slack Interactivity API encompasses the mechanisms by which Slack apps handle user interactions with in...66.9 CloudBees Components APICreate and manage the components in an organization. A component represents a source code repository that C...66.7

Strong 14 Solid coverage with minor gaps

MediaMath Component Creatives APIComponent Creatives API (v3.0) for building and managing modular, component-based creatives in the MediaMat...65.7 MediaMath Components APIv3.0 component definition endpoints.65.7 Extole Components APIThe Components API from Extole — 21 operation(s) for components.65.2 Aedifion Component APICreating, modifying, and accessing components and related resources.64.6 Bentley Systems Components APIComponents resources for the iTwin Library API.64.2 Sonatype Components APIUse this REST API to retrieve a component's security vulnerability data, license data, age and popularity.63.3 Boomi Components APIManage packaged components and integration pack attachments.62.7 Webflow Components APIThe Components API from Webflow — 3 operation(s) for components.60.7 Figma Components APIEndpoints for querying published components, component sets, and styles from team libraries.59.6 EPA — U.S. Environmental Protection Agency Components APIThe Components API from EPA — U.S. Environmental Protection Agency — 1 operation(s) for components.57.0 Webflow API and Documentation Components APIThe Components API from Webflow API and Documentation — 3 operation(s) for components.56.1 Nuon Components APIcomponents55.9 Yardi Canada Components APIPer-product and per-region service components55.7 Power Apps Component Framework APIAPIs for building custom components using the Power Apps Component Framework (PCF).54.3

Developing 22 Usable, with meaningful gaps to close

Pipedream Components APIThe Components API from Pipedream — 4 operation(s) for components.53.2 Linktree Arbor RegistryArbor is Linktree's design system, published as a public HTTP component registry. Anonymous, unauthenticate...52.8 LWR Sites APIBuild and customize Lightning Web Runtime sites for Experience Cloud. Provides documentation for creating L...51.4 Mercedes-Benz Mercedes me Components APIThe Components API from Mercedes-Benz Mercedes me — 7 operation(s) for components.50.4 Choreo Components APIManage components (services, APIs, web apps, jobs) within projects.50.2 Storyblok Components APIComponents define the schema and field structure for story content. This includes managing component defini...49.6 Check ComponentsCheck Components is a library of white-labeled, drop-in React UI elements that handle the highest-friction ...47.7 Dependency-Track Component APIThe component API from Dependency-Track — 8 operation(s) for component.47.5 Dependency-Track Components APIEndpoints related to components47.5 SonarSource Components APIGet information about a component (file, directory, project, ...) and its ancestors or descendants. Update ...47.3 Discord Interactions APIThe Discord Interactions API enables applications to create and respond to application commands (slash comm...46.7 Utilita Components APIThe individual Utilita services tracked on the status page.46.6 Macrometa Components APIThis endpoint retrieves the current configuration settings of a specified component used for integrating th...45.9 SERTICA Components APIThe Components API from SERTICA — 40 operation(s) for components.45.0 Schematic Components APIThe components API from Schematic — 4 operation(s) for components.44.6 Morningstar Enterprise Component APIsAPIs backing Morningstar's embeddable enterprise components - editorial and news search, security details a...44.5 Aloft Components APIComponents42.8 Elastic.io Components APIManage integration components41.6 Sorry Components APIManage components displayed on status pages41.5 Agno Components APIThe Components API from Agno — 6 operation(s) for components.40.1 Open Education API Components APIThe components API provides information about components being part of parent courses.39.8 Reonic Components APICatalog of solar, storage, EV charger, and heat-pump products available to your workspace.39.8

Thin 20 Limited public surface area

Emerging 16 Early or largely undocumented

Apache Tapestry Component APIThe Tapestry Component API provides Java annotations and interfaces for building reusable web components. C...25.9 React Redux APIOfficial React bindings for Redux, enabling React components to interact with a Redux store. Provides hooks...25.7 AAR Component MROAAR component MRO services provide comprehensive maintenance, repair, and overhaul for aircraft components,...25.2 what3words OCR Camera ComponentUI component that uses the device camera to scan three-word addresses from signage, packaging, or printed m...24.2 what3words Swift Map ComponentsUI components for embedding what3words grids, markers, and AutoSuggest experiences in Apple Maps-based iOS ...24.2 OnchainKitReact component library and TypeScript SDK (@coinbase/onchainkit) for building onchain apps on Base — walle...23.9 Nexus Repository Manager Components APIThe Components API from Nexus Repository Manager — 2 operation(s) for components.22.5 Nexus Repository Manager REST APIComprehensive REST API for managing repositories, components, assets, search, security, blob stores, capabi...22.5 Chromatic Storybook and Stories APIRead the published Storybook and its structure. The `storybook(url)` query and the Story and Component node...21.1 SST FrameworkThe SST framework is an open source CLI and component library distributed via npm (`sst`) and as a Go-based...21.1 Framer Code Components APIAuthor custom React components with visual property controls (PropertyControls) so designers can use them o...19.1 Vishay Parts Data via DigiKey APIAccess Vishay component inventory, pricing, specifications, and datasheets through the DigiKey REST API. En...16.2 Vishay Parts Data via Octopart/Nexar APIAccess Vishay component data programmatically through the Octopart/Nexar API. Search for Vishay parts by pa...16.2 Angular Material Components APIAngular Material is a comprehensive UI component library implementing Material Design for Angular applicati...15.6 Angular Core APIThe Angular Core API provides the fundamental building blocks of the Angular framework including components...13.8 OnchainKit React SDKCore @coinbase/onchainkit npm package providing React components and TypeScript utilities for onchain apps....12.7

Minimal 1 Almost no public developer surface

React Core APICore React library for building component-based user interfaces.9.5

Companies reaching this through an API (79)

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 Angular Angular Material Apache Tapestry Apache Wicket Appian Atlassian Atlassian Compass Base Bentley Systems Boomi Check Choreo Chromatic CloudBees CodaMetrix Cohesity Coinbase OnchainKit Customer.io Dependency-Track Deutsche Telekom Elastic.io Employ Empowerly EPA — U.S. Environmental Protection Agency Extole Figma Framer Golem Harness Infinidat Isometric JFrog Keygen Linktree Loops Macrometa MediaMath Mercedes-Benz Mercedes me Microsoft Power Apps Morningstar Nexus Repository Manager Nuon Open Education API Order.co Pipedream Postman

Show all 79 companies ↓

Score breakdown

Frequency

58.6

log-scaled weighted occurrences

Breadth

0.3

spread across providers

Quality lift

23.1

mean composite of providers using it

Cohesion

0.0

strength of nearest seed neighbor

Where this tag comes from

Api tag90

Provider tag12

Openapi tag38

Openapi op tag134

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Components

Providers using this tag (12)

APIs with this tag (89)