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 13 Complete, well-documented, and agent-ready

Upstox Developer APIThe Upstox Developer API is a free OAuth 2.0 REST and WebSocket suite for building trading and investment a...79.5 Kraken Futures WebSocket APIReal-time market data and private user feeds for Kraken Futures over WebSocket. Public feeds include trade,...74.5 Kraken Market Data APIPublic market data (no authentication required)74.5 Kraken Spot WebSocket API v2Real-time market data and private user data over WebSocket v2 using subscribe/unsubscribe semantics. Public...74.5 Twelve Data Market Data APIThe market_data API from Twelve Data — 6 operation(s) for market_data.73.3 Twelve Data WebSocket Streaming APIReal-time price streaming over a persistent, bidirectional WebSocket at wss://ws.twelvedata.com/v1/quotes/p...73.3 0xArchive REST APICurrent and historical market data across Hyperliquid core, Spot, HIP-3, HIP-4, and Lighter. Direct market-...72.7 AlphaAI Claude Code SkillsProvider-published open-source pack of five Claude Code agent skills wrapping the MCP tools into ready-made...70.6 AlphaAI MCP ServerHosted MCP server over Streamable HTTP exposing fifteen tools for news search, ticker news, trending, actio...70.6 Braiins Hashpower APIPublic HTTP API for the Braiins Hashpower marketplace: buying hashrate on the spot market, scheduling fixed...68.2 Crypto.com Exchange WebSocket API v1WebSocket API for the Crypto.com Exchange, split into a Market Data stream (public channels for book, ticke...68.2 Uphold Public API (v0)The long-standing public Uphold API at api.uphold.com/v0 — tickers and exchange rates, supported currencies...68.0 Lev Market Data APIThe Market Data API from Lev — 2 operation(s) for market data.67.9

Strong 32 Solid coverage with minor gaps

Dow Jones Calendar Live APISearch and retrieve Dow Jones economic, corporate, treasury and IPO calendar events, with a full set of tax...65.7 Dow Jones Developer PlatformThe Dow Jones Developer Platform is the umbrella developer surface for Dow Jones' news, business intelligen...65.7 Dow Jones Newswires Real-Time APISearch Dow Jones Newswires real-time content with DJN taxonomy expressions and retrieve the linked articles...65.7 Dow Jones Newswires Top Stories APIRetrieve the entitled Dow Jones content collections and the articles inside them. This is the one Newswires...65.7 Cledara SaaS Market Data HubCledara's public SaaS and AI market dataset — market share, adoption, rank movement and spend benchmarks ac...65.2 Bullish Aggregator APIA small non-authenticated REST surface publishing aggregated public market data — tickers with 24-hour roll...65.1 Bullish Market Data APINon-authenticated APIs for accessing general market data information65.1 Bullish WebSocket Anonymous Ticks APIAsyncAPI 3.0.0 document for simultaneous tick subscriptions across multiple Bullish markets over WebSocket.65.1 Bullish WebSocket Anonymous Trades APIAsyncAPI 3.0.0 document for batched anonymous trade subscriptions across multiple Bullish markets over WebS...65.1 Bullish WebSocket Auction Feed APIAsyncAPI 3.0.0 document for the real-time auction feed, delivering phase and order-imbalance data for Bulli...65.1 Bullish WebSocket Index Data APIAsyncAPI 3.0.0 document for streaming Bullish index prices, with the subscribed asset set controlled by sub...65.1 Bullish WebSocket Multi-Order Book APIAsyncAPI 3.0.0 document for simultaneous subscriptions to multiple L1 and L2 order books across different B...65.1 Bloomberg BLPAPI (Desktop API)BLPAPI is Bloomberg's core programming interface for the Bloomberg Terminal Desktop API, Server API (SAPI),...64.2 EODHD Market Data APIMarket capitalization and other market data61.8 Factiva Market Data APIRetrieves real-time quotes, delayed quotes, and time series market data for US, Canadian, and global compan...59.3 Bloomberg BLPAPI CoreThe Bloomberg Open API (BLPAPI) Core — the foundational service-oriented, socket-based API used by the Desk...59.0 Bloomberg Market Data APIProvides real-time and historical market data, including stock prices, indices, commodities, and currencies.59.0 Bloomberg Server API (SAPI)Delivers real-time market data, historical data, reference data, and calculation engine capabilities from t...59.0 Lukka Market Data Streaming APIWebSocket streaming for executed trades, Level-1 order-book quotes, Lukka Prime pricing, Lukka Index valuat...57.7 Zero Hash Market Data APIMarket Data Services57.6 zerohash Private WebSocket APIAuthenticated WebSocket feed delivering a full account-balance snapshot on subscribe followed by incrementa...57.6 Tradier Brokerage APIThe Tradier Brokerage API provides REST endpoints for placing equity, option, and multileg orders, retrievi...56.6 Tradier Market Data APIThe Market Data API from Tradier — 7 operation(s) for market data.56.6 Tradier MCP ServerTradier's official hosted MCP server (launched July 2026) connects AI assistants like ChatGPT, Claude, Gemi...56.6 Tradier Streaming APIThe Tradier Streaming API delivers real-time market and account events over HTTP and WebSocket. Quote, trad...56.6 Intrinio Web API v2Intrinio's REST API for financial data — stock prices, options, fundamentals, estimates, ETFs, indices, cor...56.0 Kaiko REST APIREST endpoints for trades, order books, OHLCV, market reference, trade flows, FX rates, and derivatives acr...55.8 EVEDEX Async API (Centrifugo)Real-time exchange events over WebSocket, brokered by Centrifugo with JWT channel access rights and epoch-b...54.9 EVEDEX Documentation & Agent SurfaceThe GitBook developer portal and agent-native documentation surface. Every page is retrievable as markdown ...54.9 Daloopa Market Data APIThe Market Data API from Daloopa — 2 operation(s) for market data.54.7 Bloomberg Data APIProvides programmatic access to Bloomberg's financial market data including real-time and historical pricin...54.5 ByKaranteli Public APIThe free, no-key public REST surface — 10 endpoints under /api/v1/public/ described by the provider's own s...54.5

Developing 103 Usable, with meaningful gaps to close

Thin 118 Limited public surface area

Nasdaq Cloud Data Service (NCDS) Streaming APINasdaq Cloud Data Service (NCDS) provides streaming and REST APIs for real-time and delayed market data del...39.0 Nasdaq Data Link Tables REST APINasdaq Data Link Tables API provides access to tabular financial datasets including equity fundamentals, op...39.0 1Forge Forex StreamWebSocket stream that delivers real-time bid/ask updates for subscribed forex and cryptocurrency pairs. Str...38.9 Phemex Market Data APIThe Market Data API from Phemex — 12 operation(s) for market data.38.8 Bitstamp Market Data APIPublic market data endpoints (no authentication required)38.7 Bitstamp WebSocket APIReal-time WebSocket API providing live market data streams including order book updates, live trades, ticke...38.7 Nasdaq Data Link REST API for Real-Time or Delayed DataREST API (Nasdaq Cloud Data Service) for real-time or delayed exchange data — Nasdaq Basic, Last Sale+, BBO...38.6 Nasdaq Data Link Streaming APIStreaming API (Nasdaq Cloud Data Service) for real-time products — Nasdaq Basic, Last Sale+, TotalView, Con...38.6 Nasdaq Data Link Tables APIREST API for tables data (datatables) — row and column filtered access to hundreds of financial, economic, ...38.6 Public Trading APIREST API for programmatic trading on Public — manage brokerage accounts, pull portfolio and transaction his...38.4 Korbit Open API v2 WebSocketWebSocket streaming API for the Korbit exchange. Public channels stream ticker, orderbook and trade market ...38.2 CAISO OASIS Download APIThe Open Access Same-time Information System (OASIS) Download API — CAISO's public wholesale market data in...38.1 CAISO Today's Outlook Data FeedsThe CSV feeds behind CAISO's public Today's Outlook dashboard. Anonymous GET requests to https://www.caiso....38.1 IntelligentCross IQX Market Data FeedIQX is the IntelligentCross proprietary market data feed. It disseminates all visible ASPEN resting orders,...38.0 Rho Protocol Market Data APIThe Market Data API from Rho Protocol — 7 operation(s) for market data.38.0 Hyperliquid REST APIPublic REST API for the Hyperliquid exchange. Read endpoints expose market metadata, order books, candles, ...37.9 Bloomberg Market Data FeedReal-time and historical market data for equities, fixed income, commodities, and currencies.37.7 Kalshi WebSocket Streaming APIReal-time streaming feed for market data, order book updates, fills, and portfolio events on Kalshi. Docume...37.6 Liquid Co-Invest MCPCo-Invest is Liquid delivered as a remote Model Context Protocol (MCP) server. Once connected, an MCP clien...37.5 Webull Market Data APIReal-time and historical market data — snapshots, tick data, quotes/depth, footprint, and OHLCV bars for st...37.2 Uniblock Market Data APIEndpoints for real-time and historical market data including token prices, market capitalization, trading v...37.0 Goldman Sachs Data Services APIThe Data Services API integrates Goldman Sachs data and insights into client tools and processes, exposing ...36.9 Polygon.io Crypto APIAggregates, trades, snapshots, level-2 books, and L2 streaming for crypto pairs across major exchanges.36.7 Polygon.io Forex APIReal-time and historical FX prices for 1,000+ currency pairs via REST and WebSocket.36.7 Polygon.io Futures APIReal-time and historical futures market data including aggregates, trades, quotes, and snapshots.36.7 Polygon.io Indices APIReal-time and historical index values for major US and global indices via REST and WebSocket.36.7 Polygon.io Options APIOPRA-licensed options market data via REST and WebSocket: aggregates, trades, quotes, snapshots, contract r...36.7 Polygon.io Stocks APIReal-time and historical US equity market data including aggregates (minute/hour/day bars), trades, NBBO qu...36.7 Gate WebSocket API v4Real-time WebSocket streams for market data (order books, trades, tickers, candlesticks) and private channe...36.5 Bitso WebSocket APIReal-time streaming channels for trades, order-book diffs, and full order-book snapshots. Used by trading c...36.4 Bloomberg Market Data APIProvides access to real-time and historical market data including stocks, bonds, commodities, and currencie...36.4 Firstrade Market Data APIStock quotes, OHLC chart data, and option chains36.3 Bloomberg Data License APIBatch and per-security delivery of Bloomberg's reference, pricing, regulatory and alternative data for inte...36.2 Bloomberg SAPI (Server API)The shared-server deployment of BLPAPI, providing real-time subscription and historical request/response ma...36.2 OneTick Cloud REST API (WebAPI)HTTPS REST access to OneTick Cloud market data and analytics queries, authenticated with an OAuth2 client-c...36.0 OneTick Python API - Directed GraphThe lower-level directed-graph-style Python query API for OneTick, composing event-processor graphs against...36.0 OneTick Python API - onetick-py (pandas-style)A pandas-like Python API for querying tick-by-tick market data in OneTick, published on PyPI as onetick-py ...36.0 OneTick SQL APISQL querying over OneTick tick and reference data, documented openly and runnable against OneTick Cloud (in...36.0 WazirX Market Data APIPublic market data endpoints for price, volume, and order book information36.0 WazirX WebSocket APIEndpoints for WebSocket authentication token generation36.0 aWATTar Market Data APIEPEX Spot electricity market price data35.8 TD Ameritrade Market Data APIProvides REST endpoints for accessing real-time and historical market data. Includes current quotes for sin...35.6 TD Ameritrade Streaming Market Data APIProvides a WebSocket-based streaming API that delivers up-to-the-second market data including real-time Lev...35.6 S&P Global Market Data APIReal-time and historical commodity market prices35.3 Optimal Blue Business Intelligence APIsData tools including 16 Mortgage Market Rate Indices, integrable into dashboards. Successor to Black Knight...35.2 EDX Markets FIX API (Order Entry & Market Data)The EDX Markets institutional trading interface, delivered over the FIX protocol: FIX 5.0 SP2 order entry a...35.0 TD Ameritrade Holding Market Data APIQuotes, price history, and market hours34.7 PowerTrade REST APIPublic and private REST endpoints for market-data summaries, public trade history, positions, holdings, bal...34.6 PowerTrade WebSocket FeedsReal-time WebSocket market-data feeds (reference data, top-of-book, order books, trades, index and settleme...34.6 Bithumb Market Data APIPublic spot market data endpoints34.4 Bithumb WebSocket APIReal-time WebSocket API for streaming market data including tickers, order books, and trade executions, as ...34.4 Interactive Brokers Market Data APIReal-time and historical market data34.4 Jupiter Price APIUSD pricing for up to 50 Solana tokens per request, sourced from on-chain aggregated liquidity. Used for po...34.2 SynFutures Market Data APIOn-chain market config, symbols, prices, and corporate actions34.2 CryptoQuant Market Data APIPrice, open interest, and derivatives metrics.34.1 GMX Integration APICoinGecko-compatible trading pairs API for GMX markets on Arbitrum and Avalanche, returning ticker IDs, bas...33.9 MIAXdx Market Data and Account APIPublic and authenticated REST API on api.ledgerx.com covering exchange contracts, traded contracts, contrac...33.9 Reflexivity APIReflexivity's institutional REST API. Documented by the company as "JSON REST based services" whose request...33.9 Bolsai Financial Data APIREST/JSON API for Brazilian financial-market data — equities, FIIs, fundamentals, dividends, financial stat...33.8 StoneX GF Futures APIThe StoneX GF (GAIN Futures) API provides institutional-grade access to futures trading including market da...33.7 DEGIRO Quotecast APIReal-time market data streaming service providing live ticker subscriptions for price, volume, bid/ask, and...33.5 eToro Market Data APIProvides REST and WebSocket access to real-time and historical market data for all asset classes available ...33.5 eToro Market Data APIThe Market Data API from eToro — 8 operation(s) for market data.33.5 eToro Price Alerts APIProvides REST endpoints for creating, listing, and deleting price threshold alerts on eToro instruments. En...33.5 Bloomberg B-PIPE APIReal-time streaming market data API delivering quotes, trades, and market depth.33.4 Bloomberg Data License APIProvides access to Bloomberg's extensive financial data including real-time quotes, historical data, refere...33.4 Capital.com WebSocket APIThe Capital.com WebSocket API streams real-time market data, supporting up to 40 concurrent instruments and...33.4 Circana Complete Beauty APIComplete Beauty offers a holistic view of the beauty industry combining mass and prestige POS data for manu...33.4 Circana Market Data APIAccess point-of-sale and market measurement data33.4 Nasdaq Data Link Streaming APIStreaming API providing real-time delivery of market data through persistent connections.33.4 QUODD Batch Snaps APIBatch snapshot retrieval for many tickers in a single request, via GET (query list) or POST (ticker array)....33.4 QUODD Cloud Streaming APICloud Streaming pushes changing quote and trade fields continuously rather than requiring repeated REST pol...33.4 QUODD Historical Prices APIEnd-of-day and historical market data across 80-plus global exchanges - US equities and ETFs from 1994, glo...33.4 QUODD Options Snaps APIReal-time or delayed options pricing snapshots for single contracts (Options Snap) and for many contracts a...33.4 QUODD Snap APISingle-ticker real-time or delayed pricing snapshot (Snap). Returns the current quote and trade fields - la...33.4 QUODD Snap gRPC APIgRPC delivery of pricing snapshots (Snap) and ticker information (Ticker Info) for high-performance, low-ov...33.4 Aevo Exchange WebSocket APIReal-time WebSocket API for Aevo exchange providing low-latency streams for orderbook updates, trade feeds,...32.9 Ribbon Finance Market Data APIPublic market data endpoints32.9 SnowSignals APITrendVane daas API — metered, prepaid market-phase reads per currency and timeframe (boundary = settled las...32.9 SnowSignals x402 GatewayPay-per-call retail gateway for the same TrendVane phase reads over the x402 payment protocol (v2) — no acc...32.9 AirDNA Market Data APIMarket and submarket discovery, metrics, and future pricing.32.8 HTX Spot REST APIThe HTX Spot REST API provides HTTP access to reference data (system status, symbols, currencies, chains), ...32.7 HTX WebSocket APIThe HTX WebSocket API provides a two-way real-time channel for subscribing to market data (klines, market d...32.7 Alpaca Market Data Streaming APIReal-time market data over WebSocket. Stocks stream at wss://stream.data.alpaca.markets/v2/{feed} (iex, sip...32.3 HKEX Orion Market Data Platform - Derivatives Market (OMD-D)Real-time datafeeds (OMD-D DS, DP, DF tiers) for futures and options traded on the Hong Kong Futures Exchan...32.3 HKEX Orion Market Data Platform - Securities Market (OMD-C)Real-time datafeeds (OMD-C SS, SP, SF tiers) for all securities traded on the Stock Exchange of Hong Kong, ...32.3 CoinNudge Data APIREST HTTP API returning JSON/CSV for crypto market datasets. Includes a free Research scope (no paid key re...32.2 SimCorp Dimension Streaming APIReal-time streaming API for delivering live investment data, market updates and event-driven notifications ...32.1 Bloomberg Data License APIProvides programmatic access to Bloomberg's comprehensive financial data including pricing, reference data,...31.5 Bloomberg SAPI (Server API)Server-side API delivering the same real-time market data, historical data, premium reference data, and cal...31.5 level2 Market Data APIEndpoints for retrieving historical OHLC price data for financial instruments across global exchanges.31.1 Nasdaq Private Market Tape D APITape D is NPM's private-company pricing and valuation dataset — real-time private market pricing integratin...31.1 GRVT Market Data APIPublic market-data API for GRVT — instruments, currencies, supported assets, margin rules, mini/full ticker...31.0 FCA Data Publication API (FIRDS / FITRS)Anonymous machine-to-machine query interface over the file artefacts the FCA publishes through data.fca.org...30.7 Moralis Market Data APIThe Market Data API from Moralis — 6 operation(s) for market data.30.7 ACTIV Web One API (AtlasFeed)WebSocket-based (WebAssembly) JavaScript/TypeScript market data API for browser and Node.js, installed as n...30.5 BMLL Market Data APIRetrieve per-instrument market state and consolidated best bid and offer (CBBO) for listings on a given day...30.5 Sense Street WebSocket APIReal-time streaming access to quotes and market activity extracted from broker conversations across multipl...30.2 Euronext Web Services Market Data APIOn-demand real-time, delayed, and reference market data over HTTP in JSON (REST) covering equities, fixed i...29.9 Synthetix Info APIPublic REST API for accessing Synthetix market data including markets, prices, candles, funding rates, coll...29.9 Synthetix WebSocket Info APIPublic WebSocket API for real-time Synthetix market data subscriptions including live market prices, candle...29.9 E*TRADE from Morgan Stanley - Market Data APIThe E*TRADE from Morgan Stanley Market Data API is the market-data module of the public E*TRADE V1 REST pla...29.3 LunarCrush API v4REST API for LunarCrush social and market intelligence. Endpoints cover trending topics, categories, creato...29.2 Messari REST APIComprehensive REST API exposing /v1, /v2 endpoints for asset metrics (price, market cap, ROI, mining stats,...29.2 Notice APIRESTful enterprise API for real-time private market data across 6,000+ companies - Notice Price, verified t...29.1 1inch Spot Price APIReal-time USD and reference spot prices for tokens across supported networks, sourced from on-chain liquidity.28.2 Bloomberg Open API (BLPAPI)The core Bloomberg API providing real-time market data, reference data, historical data, and intraday tick ...28.2 BitMart Spot Trading APIThe BitMart Spot Trading REST API provides programmatic access to spot trading on the BitMart global crypto...28.0 BitMart Spot WebSocket APIThe BitMart Spot WebSocket API delivers real-time streaming market data and private account updates via per...28.0 Arkham Exchange APIREST API for Arkham Exchange covering public market data (symbols, tickers, order book, trades, klines) and...27.8 Arkham Exchange WebSocket APIWebSocket API for Arkham Exchange streaming market data and private account events - real-time ticker, dept...27.8 CoreLogic Australia Auction APIAustralian auction results and clearance rates — the weekly number the Australian property press runs on. P...27.6 CoreLogic Australia Charts APIServer-rendered PNG chart images for market trends and census data, driven by location, property-type and m...27.6 CoreLogic Australia Statistics APISuburb, locality and region statistics plus ABS census summaries, driven by location and location-type iden...27.6 Hidden Road MiCA Post-Trade Transparency FeedA daily CSV feed of OTC spot crypto-asset transactions executed by Hidden Road Partners CIV NL B.V., publis...27.3 CoinEx REST API v2The primary HTTP REST API for CoinEx, providing access to spot trading, futures, perpetual contracts, accou...26.4 CoinEx WebSocket API v2 - FuturesReal-time WebSocket API for CoinEx futures and perpetual contract markets. Supports streaming subscriptions...26.4 CoinEx WebSocket API v2 - SpotReal-time WebSocket API for CoinEx spot markets. Supports streaming subscriptions for market depth, trade f...26.4

Emerging 44 Early or largely undocumented

Minimal 6 Almost no public developer surface

xRocket Exchange APIREST API for creating/canceling market/limit orders, retrieving order books, tracking pair rates, executing...10.2 xRocket Pay APIREST API (v2) to manage cheques, transfers, invoices, withdrawal links, withdrawals, mass transfers and que...10.2 MayStreet High Performance Query (HPQ) APILow-latency, near-time market data query API delivered as a streaming WebSockets service so clients can pro...9.7 MayStreet Market Data Lake Query APIQuery access to MayStreet's 20+ petabyte Market Data Lake of historical exchange data captured as PCAP and ...9.7 Iress QuantFeedQuantFeed is Iress's signature end-to-end ultra-low latency market data API. Built to deliver an unmatched ...7.2 MultiLynq Fixed Income Trading APIMultiLynq's single normalized API for electronic fixed income trading across every major and emerging U.S. ...6.6

Companies reaching this through an API (52)

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

Affiliated Managers Group Alchemix Ally Financial Autotrader aWATTar Bitget BitOasis Bitso Black Knight Blockdaemon Bloomberg Platform Bloomberg Product Suite Bloomberg Products and Platforms Braiins Bullet Circana Cision Coinbase CoinDCX CoreLogic Australia Cryptomus Dealogic Firstrade Gemini GMX Hidden Road Homads Hyperliquid Jupiter Kalshi Level2 Liquid LoopNet Lyra Messari Moralis Nasdaq Paxos Pintu Refinitiv Revolut Ribbon Finance Robinhood S&P Global Shipping.com SimCorp Dimension StoneX SynFutures Synthetix Tradier

Show all 52 companies ↓

Uniblock Zero Hash

Score breakdown

Frequency

77.3

log-scaled weighted occurrences

Breadth

7.4

spread across providers

Quality lift

42.5

mean composite of providers using it

Cohesion

36.2

strength of nearest seed neighbor

Where this tag comes from

Provider tag270

Api tag325

Openapi tag49

Openapi op tag285

Cohort brief

Auto-generated

The 265 providers in the APIs.io catalog tagged Market Data, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

265

all scored

Mean Kin Score

+14.1 vs catalog 23.9

Mean Agent Readiness

23.4

+11.4 vs catalog 12

Spread

0.8–79.5

median 38.1 · σ 16.2

How the 265 split by band

Exemplar 11Strong 27Developing 84Thin 84Emerging 42Minimal 17

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	44.3	23.4	+20.9	265
Contract Quality	34.4	19.8	+14.6	265
Operational Transparency	25.9	14	+11.9	265
Access Clarity	37	26.5	+10.5	265
Discoverability	70.5	61.2	+9.3	265
Contract Governance	10.2	6.4	+3.8	265

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	20%	10%	+10
MCP server (first-party)	24%	13%	+11
Agent Skills	0%	0%	0
OAuth scopes	21%	11%	+10
Security	99%	97%	+2
Arazzo workflows	2%	2%	0
Governance rules	22%	14%	+8

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Upstox 79.5
2 Kraken 74.5
3 Twelve Data 73.3
4 0xArchive 72.7
5 AlphaAI 70.6
6 Polygon 68.3
7 Crypto.com 68.2
8 Uphold 68
9 Lev 67.9
10 Factset 67.7

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.

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Call it yourself

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This tag

curl "https://apis.io/api/v1/tags/market-data"

All tags

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

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/market-data"

The distribution (Pro)

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

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Market Data

Providers using this tag (270)

APIs with this tag (316)