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 5 Complete, well-documented, and agent-ready

Didomi Web SDKThe Didomi Web SDK is the browser-side library that renders consent notices, preference centers, and privac...80.0 Diffbot Extract APIDiffbot Extract API is a powerful tool that allows users to automatically extract multiple types of data fr...73.8 Google PageSpeed Insights APIThe PageSpeed Insights API analyzes the performance of web pages and provides suggestions for improving pag...68.6 Infor Web APIThe Web API from Infor — 12 operation(s) for web.68.3 Iterable Web SDKThe Iterable Web SDK enables developers to integrate Iterable's marketing automation capabilities directly ...67.5

Strong 9 Solid coverage with minor gaps

CloudKit JSCloudKit JS is Apple's JavaScript SDK that wraps the CloudKit Web Services REST API for browser apps. It pr...61.7 Riskified Beacon (Device Intelligence) SDKCollect device, browser, and behavioral telemetry from the shopper's session and feed it into Riskified's r...61.6 Social Fetch Web APIThe Web API from Social Fetch — 7 operation(s) for web.61.3 Geneos Web DashboardBrowser-delivered dashboard server that renders Geneos Active Dashboards and dataviews without the Active C...59.7 API League Web APIThe Web API from API League — 6 operation(s) for web.58.8 Modal Web Endpoints APIPublishes HTTP, WebSocket, and ASGI/WSGI web endpoints (FastAPI, Flask, Streamlit) backed by serverless Mod...56.2 Zoom Meeting SDKThe Zoom Meeting SDK allows developers to embed Zoom meetings and webinars directly into applications with ...56.2 AnyAPI Web APIThe web API from AnyAPI — 4 operation(s) for web.55.3 Apple Pay on the WebAccept Apple Pay payments on your website using JavaScript-based APIs.55.2

Developing 19 Usable, with meaningful gaps to close

Gladly Chat SDKJavaScript chat widget loaded from the Gladly CDN. Exposes `Gladly.init`, `show`, `close`, `setUser`, `star...54.0 Gladly Help CenterEmbeddable Help Center widget that builds an FAQ/help page on a brand's website powered by Public Answers f...54.0 Firebase AI Logic APIAccess Gemini API capabilities through Firebase SDKs for mobile and web applications with built-in security...53.5 Freestyle Web APIAPIs for deploying websites. We handle node modules caching, scaling, certificates and the whole end to end...51.3 Sailthru JavaScript API (Personalization Engine)The client-side Sailthru JavaScript tag (spm.v1.min.js, served from ak.sail-horizon.com) used for on-site b...51.3 WeChat Open Platform — Website Login (QR OAuth)Web-based OAuth 2.0 login that renders a WeChat QR code on third-party websites. End users scan the code in...50.5 Google Pay APIEnables integration of the Google Pay payment method into web applications, allowing merchants to accept pa...49.8 Front Chat WidgetEmbed Front's live chat widget on a website or web app to capture live conversations into shared inboxes.49.7 Workspace Web Side by Side APIAPI enabling interoperability and context passing between LSEG Workspace Web and external web applications ...48.3 Hyperbrowser Web APIStateless web utilities: fetch a single page, run a web search, or start a crawl. Includes `/x402` micropay...46.3 SecureAuth (incl. Cloudentity) Web APIThe web API from SecureAuth (incl. Cloudentity) — 2 operation(s) for web.46.3 CSG Forte.jsForte.js is a JavaScript library for secure browser-based payment tokenization. It enables web applications...46.0 Surf Web APIFetch and search web content. Retrieve any URL and convert it to clean, LLM-friendly markdown, or search th...45.0 Workspace Web Side by Side APIInteroperability API that connects client web applications to LSEG Workspace Web. It allows applications to...44.8 Sentio Web APIThe Web API from Sentio — 8 operation(s) for web.44.6 Firebase Hosting REST APIThe Firebase Hosting REST API allows developers to programmatically manage web hosting deployments on Fireb...44.2 Sensors Data Web APIThe Web API from Sensors Data — 12 operation(s) for web.43.3 SocialCrawl Web APIWeb endpoints42.1 Spring MVC Web FrameworkModel-View-Controller web framework built on the Servlet API. Supports annotation-driven controllers, conte...40.0

Thin 11 Limited public surface area

FluentEDI Web APIWeb and network38.4 Kagi Search APIThe Kagi Search API delivers premium, ad-free web search results powered by the Kagi index, designed for AI...37.8 Bread JavaScript SDKBrowser-side JavaScript SDK that exposes the BreadPayments object for rendering the Bread modal, embedded p...36.7 Chaitin Tech Web框架 APIThe web框架 API from Chaitin Tech — 8 operation(s) for web框架.34.5 Ketch Web SDKTypeScript and JavaScript Web API and consent library for collecting, storing, and enforcing consent in bro...33.9 Jitsi Meet React SDKReact component wrapper around the Jitsi Meet IFrame API that provides idiomatic and co33.3 Brave SearchIndependent privacy-respecting web search engine backed by Brave's own index. Surfaces the consumer product...31.5 Brave Web APIThe Web API from Brave — 1 operation(s) for web.31.5 EAS Hosting APIEdge deployment service for Expo Router and React Native web applications, including API routes. Provides 1...31.4 TouchFree ToolingTouchFree turns Ultraleap hand tracking into touchless cursor and gesture input for kiosks, digital signage...30.4 You.com Contents APIThe Contents API extracts clean, structured page content from one or many URLs, returning text suitable for...27.8

Emerging 13 Early or largely undocumented

Aider Web APIAider Commands That Pull in Web Content.26.0 Daum Search APIDaum Search API returns search results from Daum's web, vClip video, image, blog, book, café, and Q&A index...25.6 Phantom React SDKReact SDK (@phantom/react-sdk) for integrating Phantom across Solana and EVM chains with embedded wallet su...24.2 Paytm JS CheckoutBrowser JavaScript checkout that renders the Paytm payment page in two steps - server-side token creation f...23.9 IDKit (Web / React Widget)Client-side widget for triggering a World ID verification from a web or React app. Handles QR-code / deep-l...23.4 JW Player JavaScript Player APIClient-side JavaScript API for controlling the JW Player embedded in web pages. Exposes methods and events ...20.9 University of Copenhagen Web Platform Source (ku-kom)github.com/ku-kom is the university's GitHub account — a User account rather than an Organization, named "U...20.4 PowerSync JavaScript / Web SDKClient SDK for JavaScript and browser environments using Wasm-backed SQLite. Provides a PowerSyncDatabase c...19.8 Mindtrip Web ApplicationConsumer-facing web application for conversational AI trip planning, itinerary building, collaboration, and...14.6 Overture ExplorerInteractive web explorer for browsing and inspecting Overture features across themes and releases.13.6 Ronin ExplorerWeb explorer for the Ronin chain - blocks, transactions, addresses, tokens, validators, and contract verifi...12.0 Jakarta ServletJakarta Servlet is a server-side Java API for handling HTTP requests and generating dynamic responses. It p...11.9 Goldsky DashboardWeb dashboard for managing Goldsky projects - subgraph deployments, pipeline status, logs, billing, and API...11.4

Minimal 1 Almost no public developer surface

KituraKitura is an open source web framework for server-side Swift, originally built by IBM. The project enabled ...10.0

Companies reaching this through an API (52)

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

Aider Alliance Data Systems (Bread Financial Holdings) API League Apple Apple CloudKit Brave Chaitin Tech CSG Systems Didomi Expo FluentEDI Freestyle Front Geneos Gladly Goldsky Google Google Firebase Google Gemini Google Pay Hyperbrowser Infor Iterable Jakarta EE Jitsi JW Player Kagi Kakao Mindtrip Modal Overture Maps Foundation Paytm Phantom PowerSync Refinitiv Refinitiv Eikon Riskified Ronin Network Sailthru SecureAuth (incl. Cloudentity) Sensors Data Sentio Social Fetch SocialCrawl Spring Framework Surf Ultraleap University of Copenhagen WeChat World (Worldcoin)

Show all 52 companies ↓

You.com Zoom

Score breakdown

Frequency

51.9

log-scaled weighted occurrences

Breadth

0.4

spread across providers

Quality lift

24.6

mean composite of providers using it

Cohesion

9.8

strength of nearest seed neighbor

Where this tag comes from

Api tag58

Provider tag17

Openapi tag9

Openapi op tag46

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this

find_tagsBrowse and filter every tag in the catalog.
get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This tag

curl "https://apis.io/api/v1/tags/web"

All tags

curl "https://apis.io/api/v1/tags?limit=25"

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/web"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/web/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

Web

Providers using this tag (17)

APIs with this tag (58)