established · 0.1 capabilitymarket resourcedomain

Stocks

Score 28.5 / 100 87 providers +41 via APIs 86 APIs Search apis.io →
Business capabilities this tag reaches
Inventory Management 2
Variants seen in the corpus: StockEquitiesStocks

Providers using this tag (87)

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

Exemplar 2 Complete, well-documented, and agent-ready
Massive (formerly Polygon.io)FinanceFintechMarket Data7 APIs75.8Twelve DataMarket DataFinancial DataForex2 APIs69.0
Strong 8 Solid coverage with minor gaps
Financial Modeling PrepFinancial DataMarket DataQuotes1 API63.2SiftingIOFinancial market dataStocks/equitiesForexCryptocurrency1 API61.1Market DataMarket DataFinancial DataOptions2 APIs61.0ThetaDataFinanceMarket DataOptions1 API59.8Adanos Market Sentiment APIMarketsSentimentCrypto7 APIs59.7EODHDFinanceMarket DataStock Options2 APIs57.4AlpacaFintechTradingCrypto2 APIs55.4BarchartMarket DataFinancial DataCommoditiesFutures2 APIs54.7
Developing 27 Usable, with meaningful gaps to close
IntrinioFinanceFinancial DataMarket Data1 API52.8drillrFinancial DataSEC FilingsFundamentals1 API52.5TradierFintechTradingOptions1 API52.4JPX (Japan Exchange Group)FinanceMarket DataExchange8 APIs51.6QfexCompanyTradingExchangePerpetual Futures1 API51.2SIXFinanceMarket DataReference Data8 APIs51.1BenzingaFinanceMarket DataNews6 APIs49.8Ondo FinanceCompanyCryptoTokenizationReal World Assets3 APIs49.8Alpha VantageFintechMarket DataFX1 API49.6Deutsche BörseFinanceMarket DataDerivatives12 APIs49.4Cboe Global MarketsMarket DataOptionsDerivatives2 APIs49.3한국주식데이터 (aikstockdata)South KoreaStock MarketFinancial DataOpen Data2 APIs48.4Bargo Congress Trades APICongressFinanceGovernment2 APIs48.2LinqAlphaCompanyFinancial ServicesInvestment ResearchArtificial Intelligence1 API47.8Ally InvestBrokerageInvestingTradingFinance1 API47.0tastytradeFinanceBrokerageTradingOptions16 APIs46.2BitpandaCompanyCryptocurrencyFintechTrading1 API45.6MorningstarFinanceMarket DataInvesting41 APIs44.5FinageFinanceMarket DataForex1 API44.2DinariCompanyTokenized SecuritiesETFs1 API44.0TiingoFintechMarket DataCrypto1 API43.4dxFeedFinanceMarket DataReal-TimeHistorical Data1 API42.2Trading 212InvestingFinanceTrading1 API42.1FinancialData.NetFinanceFinancial Datastock-market-apiMarket Data2 APIs41.9FinnhubFinanceMarket DataForex2 APIs41.2TradeStationBrokerageCryptocurrencyFinanceFutures1 API40.3DriveWealthBrokerage-as-a-ServiceEmbedded InvestingFractional SharesTrading1 API39.7
Thin 27 Limited public surface area
AlgoSeekFinanceMarket DataOptions1 API39.2B3 (Brasil Bolsa Balcão)FinanceMarket DataTrading10 APIs38.7iTickFinancial DataMarket DataForex1 API38.7XigniteFinanceMarket DataReal-Time22 APIs38.6FinlightFinancial NewsSentiment AnalysisMarket Data1 API38.3TMX GroupFinanceMarket DataExchange11 APIs37.3EtradeBondsBrokerageFinanceFutures1 API37.0PublicCompanyConsumerInvestingBrokerage1 API36.5Imperative ExecutionCompanyFinancial ServicesCapital MarketsTrading2 APIs36.1StockTwitsCompanyFintechSocial1 API36.1StooqFintechMarket DataIndices1 API34.6ValueRayAI/LLMETFsFinancial DataQuantitative1 API34.5FirstradeBrokerageCommission-Free TradingETFs1 API34.4OneTick (OneMarketData)FinanceMarket DataTick DataHistorical Data5 APIs34.2TD AmeritradeBrokerageTradingFinance1 API32.3eToroSocial TradingCopy TradingInvestingMarket Data2 APIs32.0Saxo BankInvestment BankingTradingForex17 APIs31.4StockNewsAPICompanyFinanceNews1 API31.4AjaibCompanyFinancial ServicesInvestingBrokerage1 API31.3MboumStock MarketOptionsoptions market1 API31.2DEGIROTradingBrokerageETFs1 API30.4HKEXFinanceMarket DataDerivatives4 APIs30.3PrestaShopE-CommerceOpen SourceProductOrder2 APIs30.1BMLL TechnologiesFinanceMarket DataOrder Book4 APIs29.0EuronextFinanceMarket DataExchange5 APIs28.9LightyearCompanyFinancial ServicesInvestingBrokerage28.5LunarCrushCompanySocial IntelligenceCryptocurrency2 APIs28.5
Emerging 13 Early or largely undocumented
Exchange Data InternationalFinanceMarket DataCorporate ActionsReference Data24 APIs26.1TradeBBtrading-journalTrade AnalyticsFintechtrading-tools1 API23.7Cantor FitzgeraldFinancial ServicesInvestment BankingPrime BrokerageFixed Income9 APIs21.8FutuCompanyTechnologyFintechBrokerage1 API21.7OneChronosCompanyFinancial ServicesCapital MarketsTrading3 APIs21.7QuoteMediaFinanceMarket DataOptions4 APIs21.7Bloomberg TradebookTradebookElectronic TradingFutures3 APIs19.0IEXCompanyFintechStock ExchangeMarket Data17.8Norgate DataMarket DataFinancial DataHistorical DataFutures5 APIs17.5big xytFinanceMarket DataTick DataTrading3 APIs17.4VestedCompanyFinancial ServicesFintechInvesting14.0BUXCompanyFintechInvestingNeobroker13.1PluangCompanyConsumerFintechInvesting11.6
Minimal 10 Almost no public developer surface
MayStreetFinanceMarket DataReal-TimeTrading2 APIs10.3Jefferies Financial GroupAsset ManagementCapital MarketsFinancial Services8.1HODL MediaCompanyCryptocurrencyMarket Data7.9SiamSquaredCompanyFintechInvesting7.4Fi MoneyFintechNeobankConsumer BankingPersonal Finance5.7TradeKingCompanyBrokerageTradingInvesting3.9RUUTCompanyFinanceFintechInvesting3.4AtomoFinancePrivate-MarketLiquidityPre-IPO3.0BumpedCompanyFintechFinancial ServicesInvesting2.5IEX CloudFintechMarket DataReference1 API0.0

APIs with this tag (86)

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 4 Complete, well-documented, and agent-ready
Adobe Stock APISearch, license, and manage Adobe Stock assets including photos, vectors, videos, and templates.80.4Adobe Stock APISearch and license stock photos, videos, and assets.78.3Polygon.io Stocks APIReal-time and historical US equity market data including aggregates (minute/hour/day bars), trades, NBBO qu...75.8Toast Stock APIThe Stock API from Toast — 3 operation(s) for stock.68.4
Strong 17 Solid coverage with minor gaps
NexGen Cloud Stock APIGPU and CPU stock availability per flavor and region. Use before deployment to confirm capacity.65.9Zoho InventoryThe Zoho Inventory API allows you to perform all the operations that you do with our web client. It is buil...65.1Swell Stock APIStock levels and stock adjustments across locations.63.6Financial Modeling Prep Stock APIThe Stock API from Financial Modeling Prep — 1 operation(s) for stock.63.2Factset Stock APIThe Stock API from Factset — 16 operation(s) for stock.63.0SiftingIO Stocks APIUS-equity fundamentals (SEC) and historical bars.61.1Market Data Stocks APIReal-time and historical stock candles, quotes, bulk data, prices, earnings, and news.61.0ThetaData Stock APIThe Stock API from ThetaData — 15 operation(s) for stock.59.8GZW Data API Stocks APIThe Stocks API from GZW Data API — 4 operation(s) for stocks.59.7Charthop Stock APIThe stock API from Charthop — 3 operation(s) for stock.58.1EODHD Fundamental Data APIProvides company fundamentals including general info, financial statements (income statement, balance sheet...57.4EODHD Intraday Historical Data APIProvides intraday historical OHLCV data at 1-minute, 5-minute, and 1-hour intervals for US stocks and other...57.4EODHD Live (Delayed) Stock Prices APIReturns live or 15-20 minute delayed stock quotes including last price, change, volume, and bid/ask data fo...57.4Big Commerce InventoryBigCommerce Inventory API exposes location-aware, item-level inventory data to API consumers. You can get i...56.4Bloomberg EMSX APIEnables programmatic management and automation of equities, futures, and options trading through the Bloomb...56.3Bloomberg Market Data APIProvides real-time and historical market data, including stock prices, indices, commodities, and currencies.56.3Alpaca Trading APIThe Alpaca Trading API enables commission-free trading of US-listed equities, options, and crypto. It expos...55.4
Developing 16 Usable, with meaningful gaps to close
drillr Data MCP ServerHosted Streamable HTTP MCP server (drillr-data) exposing the same financial data as ~10 agent-callable tool...52.5Tradier Brokerage APIThe Tradier Brokerage API provides REST endpoints for placing equity, option, and multileg orders, retrievi...52.4J-Quants Equities APIListed issue master, daily and morning-session OHLCV, minute bars and tick trades (add-on), earnings calend...51.6Cboe LiveVol All Access APIThe Cboe LiveVol All Access API is a REST API suite offering quote and trade details for equities and optio...49.3Congress Trades MCP ServerA focused Streamable HTTP MCP server exposing three read-only tools over the Congress Trades dataset — get_...48.2Infoway Real-time Market Data API Stock APIThe Stock API from Infoway Real-time Market Data API — 3 operation(s) for stock.45.1Morningstar Investment Details APIsDeep security-level data for equities and managed investments - profiles, ratings, performance, holdings, f...44.5Morningstar Screener APIsScreen global equities and managed investments (funds, ETFs) against Morningstar data points, ratings, and ...44.5Treez Stock APIThe Stock API from Treez — 1 operation(s) for stock.44.2SAP Commerce Cloud Stock APIStock and inventory integration44.0Newstore Stock APIStock Operations43.9Spreadshirt Stocks APIGet the available stock on the variants of the created articles.43.4Zettle Inventory APITrack stock levels and inventory movements across merchant locations. Default rate limit is 4 requests per ...42.0FinancialData.Net MCP ServerHosted MCP server mapping the entire REST API documentation into callable MCP tools (e.g., getStockSymbols,...41.9FinancialData.Net REST APIREST API for financial and market data covering equities, ETFs, crypto, forex, derivatives, fundamentals, f...41.9Cenevo Stocks APIThe Stocks API from Cenevo — 7 operation(s) for stocks.41.8
Thin 24 Limited public surface area
iTick Market Data APIToken-authenticated REST and WebSocket API for real-time and historical financial market data across crypto...38.7Xignite Global Historical APIEnd-of-day and historical equity prices including historical quote ranges, chart bars, adjustment factors, ...38.6Xignite Global Quotes APIDelayed stock quotes for equities across global exchanges, served as REST operations (GetGlobalDelayedQuote...38.6Xignite Global Real-Time APIReal-time stock quote data for global equities via REST request/response operations on the globalrealtime.x...38.6Labguru Stocks APIThe Stocks API from Labguru — 7 operation(s) for stocks.38.5Bolsai Stocks APIThe Stocks API from Bolsai — 13 operation(s) for stocks.37.9Zalando Stocks APIThe stocks API from Zalando — 1 operation(s) for stocks.37.6TMX Essential Analytics for Equities APIEnd-of-day equity analytics for Canadian and US markets - basic, daily, and advanced daily stats plus liqui...37.3Epos Now Stock APIProduct stock levels and stock control.36.2IntelligentCross FIX Order Entry APIOrder entry into the IntelligentCross ATS books (Midpoint, ASPEN Fee/Fee, ASPEN Maker/Taker, ASPEN Taker/Ma...36.1IntelligentCross IQX Market Data FeedIQX is the IntelligentCross proprietary market data feed. It disseminates all visible ASPEN resting orders,...36.1Apicbase Stock APIStock items and inventory.34.9Gelato Stock APIThe Stock API from Gelato — 1 operation(s) for stock.34.9Bloomberg Market Data FeedReal-time and historical market data for equities, fixed income, commodities, and currencies.34.8Petpooja Stock APIItem stock and availability.33.5SynFutures Stock APITokenized stock deposits and withdrawals32.9TD Ameritrade Instruments APIThe Instruments API from TD Ameritrade — 2 operation(s) for instruments.32.3SPOD Stock APIThe Stock API from SPOD — 2 operation(s) for stock.32.0Mboum Stock & Options Data APIREST/JSON API for stock and options market data: quotes, history, options chains, unusual options activity,...31.2Vinculum Stock APIAPI to retrieve or manipulate Stock related information.30.7DEGIRO Product Search APIThe product-search API from DEGIRO — 1 operation(s) for product-search.30.4NSE Offer For Sale (OFS) Web APIJSON over HTTPS Web API for the NSE Offer-For-Sale platform, used by members to place, modify, cancel and q...30.0BigChange Stock APIThe Stock API from BigChange — 1 operation(s) for stock.29.4LunarCrush API v4REST API for LunarCrush social and market intelligence. Endpoints cover trending topics, categories, creato...28.5
Emerging 22 Early or largely undocumented
EDI End of Day Pricing Data APIWorldwide end-of-day equity pricing (open, high, low, close, bid, ask, last trade, volume) queried by MIC, ...26.1EDI Initial Public Offerings APIWorldwide initial public offering data via the GetLatestInitialPublicOfferings endpoint.26.1EDI Worldwide Corporate Actions APIWorldwide equity corporate actions with 200+ output fields (security identifiers, issuer, event details, da...26.1EDI Worldwide Equity Analytics APIEquity analytics measures for worldwide listed securities via the GetLatestEquityAnalytics endpoint on EDI'...26.1EDI Worldwide Shares Outstanding APIShares outstanding figures for worldwide listed equities via the GetLatestSharesOutstanding endpoint.26.1J-Quants APIThe J-Quants API (V2) is a data distribution service operated by Japan Exchange Group (JPX) that makes it e...25.4J-Quants Equities APIThe Equities API from J-Quants — 1 operation(s) for equities.25.4Shipwire Stock APITrack inventory levels and stock across Shipwire fulfillment centers in real time.24.4TradeBBTradeBB exposes a single publicly consumable machine-readable interface: an llms.txt file designed for LLM ...23.7BICS Stock APIQuery the available stock.23.3Huuray Stock APIThe Stock API from Huuray — 1 operation(s) for stock.22.1Simpro Stock APIInventory held on storage devices.21.9Cantor FitzgeraldCantor Fitzgerald, L.P. is a privately held global financial services firm founded in 1945. It is a U.S. Fe...21.8Cantor Prime ServicesCantor Prime Services is the firm's multi-asset prime-brokerage platform launched in 2009, offering custody...21.8Autotrader Stock APIEnables retailers to manage their forecourt inventory programmatically. Supports creating, updating, and de...20.1Bloomberg Tradebook FIX APIFIX protocol connectivity to Bloomberg Tradebook for electronic order routing, execution reporting, and pos...19.0The Giving Block Public APIRESTful JSON API for accepting crypto, stock, and card donations on behalf of nonprofits in The Giving Bloc...18.1Norgate Data FundamentalsCompany fundamental lookups - named fundamental fields, financial summary, business summary, shares outstan...17.5Norgate Data Price and Volume DataRetrieve daily EOD open/high/low/close, volume, turnover, unadjusted close, dividends and open interest as ...17.5Norgate Data Security Metadata and ClassificationsSingle-value reference and metadata lookups for a security - name, symbol, asset id, domicile, currency, ex...17.5Liquidity Cockpit APIAPI access to the Liquidity Cockpit, big xyt's dark and lit liquidity, market share, and market quality ana...17.4Hopstack Inventory APIInventory and stock-ledger operations for Hopstack's inventory management module - tracking on-hand quantit...16.0
Minimal 3 Almost no public developer surface
Shippingbo APIShippingbo's primary REST/JSON API for managing the full e-commerce logistics lifecycle: orders, order item...10.4Deposco Inventory APIRetrieve real-time inventory by facility and location. Modeled from Deposco integration references - GET /i...9.9IEX Cloud Core Data API (sunset)Real-time and historical US equity quotes, intraday and historical prices, OHLCV charts, news, dividends, s...0.0

Companies reaching this through an API (41)

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

Adobe Adobe Suite Apicbase Autotrader BICS BigChange BigCommerce Bloomberg Bloomberg APIs Bolsai Cenevo Charthop Deposco Epos Now Factset Gelato GZW Data API Hopstack Huuray Infoway Real-time Market Data API J-Quants Labguru National Stock Exchange of India Newstore NexGen Cloud Petpooja SAP Commerce Cloud Shippingbo Shipwire Simpro SPOD Spreadshirt Swell SynFutures The Giving Block Toast Treez Vinculum Zalando Zettle Zoho

Score breakdown

Frequency
63.6
log-scaled weighted occurrences
Breadth
2.3
spread across providers
Quality lift
43.2
mean composite of providers using it
Cohesion
22.3
strength of nearest seed neighbor

Related tags

Options 40 co-occurrences Market Data 72 co-occurrences Fundamentals 19 co-occurrences Futures 20 co-occurrences ETFs 18 co-occurrences Historical Data 20 co-occurrences Trading 40 co-occurrences Indices 15 co-occurrences

Where this tag comes from

Provider tag88
Api tag86
Openapi tag28
Openapi op tag108

Cohort brief

Auto-generated

The 85 providers in the APIs.io catalog tagged Stocks, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
85
all scored
Mean Kin Score
36.3
+13.4 vs catalog 22.9
Mean Agent Readiness
22.3
+10.4 vs catalog 11.9
Spread
0–75.8
median 37.3 · σ 16.2
How the 85 split by band
Exemplar 2Strong 8Developing 27Thin 27Emerging 13Minimal 8
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 43.8 23.2 +20.6 85
Access Clarity 42 26.5 +15.5 85
Operational Transparency 27.5 13.7 +13.8 85
Contract Quality 29.1 17.6 +11.5 85
Discoverability 66.4 58.1 +8.3 85
Contract Governance 10 6.3 +3.7 85

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
ArtifactThis cohortCatalogDifference
MCP server (any) 31% 14% +17
MCP server (first-party) 32% 12% +20
Agent Skills 0% 0% 0
OAuth scopes 20% 11% +9
Security 99% 98% +1
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. 1 Massive (formerly Polygon.io) 75.8
  2. 2 Twelve Data 69
  3. 3 Financial Modeling Prep 63.2
  4. 4 SiftingIO 61.1
  5. 5 Market Data 61
  6. 6 ThetaData 59.8
  7. 7 Adanos Market Sentiment API 59.7
  8. 8 EODHD 57.4
  9. 9 Alpaca 55.4
  10. 10 Barchart 54.7
Top by Agent Readiness
  1. 1 Twelve Data 62
  2. 2 EODHD 57.6
  3. 3 Morningstar 56.8
  4. 4 LinqAlpha 54.5
  5. 5 Alpaca 54.2
  6. 6 Alpha Vantage 51.4
  7. 7 drillr 51.1
  8. 8 Intrinio 46.8
  9. 9 Massive (formerly Polygon.io) 44.9
  10. 10 SIX 44
All 87 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 5 October 2026, across 29093 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

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

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This tag 
curl "https://apis.io/api/v1/tags/stocks"
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curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/stocks"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/stocks/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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