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 7 Complete, well-documented, and agent-ready

FeedOracle Technologies Trading APITrading signals (Key required)70.1 Gemini MCP ServerThe official first-party Model Context Protocol server from the gemini/developer-platform monorepo, exposin...67.6 Gemini Trust Company Trading APIAuthenticated REST endpoints for placing and managing orders. Treat REST order placement as payload referen...67.6 Gemini WebSocket APIThe production Gemini WebSocket API at wss://ws.gemini.com: request/response methods, market data streams (...67.6 Fireblocks Trading APIThe Trading API from Fireblocks — 10 operation(s) for trading.67.2 AlphaAI Claude Code SkillsProvider-published open-source pack of five Claude Code agent skills wrapping the MCP tools into ready-made...66.8 AlphaAI MCP ServerHosted MCP server over Streamable HTTP exposing fifteen tools for news search, ticker news, trending, actio...66.8

Strong 15 Solid coverage with minor gaps

Crypto.com Exchange FIX APIFIX 4.4-based API for institutional order entry, market data and drop copy on the Crypto.com Exchange, with...65.6 Crypto.com Exchange WebSocket API v1WebSocket API for the Crypto.com Exchange, split into a Market Data stream (public channels for book, ticke...65.6 Crypto.com Trading APIPrivate trading endpoints manage order placement and lifecycle. All order operations (create, amend, cancel...65.6 Kraken Spot WebSocket API v2Real-time market data and private user data over WebSocket v2 using subscribe/unsubscribe semantics. Public...64.4 Kraken Trading APIOrder placement, edit, and cancellation64.4 EventTrader MCP ServerHosted Streamable-HTTP MCP endpoint at https://cymetica.com/mcp/v1 (protocol 2025-03-26) answering anonymou...63.6 Bullish FIX APIThe Bullish FIX order-entry, drop-copy, reference-data and trading-status surface for institutional and hig...60.9 Bullish WebSocket Private Data APIAsyncAPI 3.0.0 document for the authenticated private stream — real-time orders, trades, asset accounts, tr...60.9 Clear Street MCP ServerClear Street's official remote Model Context Protocol server, exposing the Clear Street Trading API to AI a...60.6 invinoveritas Trading APIThe trading API from invinoveritas — 3 operation(s) for trading.60.0 SnapTrade Trading APIManage orders on user accounts.58.9 EVEDEX Async API (Centrifugo)Real-time exchange events over WebSocket, brokered by Centrifugo with JWT channel access rights and epoch-b...56.3 EVEDEX Documentation & Agent SurfaceThe GitBook developer portal and agent-native documentation surface. Every page is retrievable as markdown ...56.3 GoldRush Hyperliquid WebSocket APIWebSocket channels for Hyperliquid markets including l2Book (wire-equal to the public feed), l2BookDiff (Go...54.9 Bloomberg EMSX APIEnables programmatic management and automation of equities, futures, and options trading through the Bloomb...54.8

Developing 35 Usable, with meaningful gaps to close

Alpaca Trading APIThe Alpaca Trading API enables commission-free trading of US-listed equities, options, and crypto. It expos...53.9 QFEX Trade WebSocketMultiplexed WebSocket gateway for QFEX order entry and account streams: add / modify / cancel orders, stop ...51.3 Tradier Brokerage APIThe Tradier Brokerage API provides REST endpoints for placing equity, option, and multileg orders, retrievi...50.8 Tradier MCP ServerTradier's official hosted MCP server (launched July 2026) connects AI assistants like ChatGPT, Claude, Gemi...50.8 Tradier Trading APIThe Trading API from Tradier — 2 operation(s) for trading.50.8 Binance.US REST APIThe Binance.US REST API is the primary programmatic interface to the exchange. It exposes general system an...49.9 Binance.US WebSocket APIThe Binance.US WebSocket API is a request/response API delivered over a persistent WebSocket connection at ...49.9 Sygnum Trading APIOrder management and execution for Sygnum's digital asset trading service, offered over both REST and the F...49.8 Blockchain.com Exchange WebSocket APIReal-time WebSocket gateway for the Blockchain.com Exchange. Anonymous channels stream heartbeat, L2/L3 ord...49.4 Blockchain.com Trading APIPost orders and get information about historical trades49.4 Ostium Builder APIPublic Builder API and TypeScript/Python SDK surface for reading Ostium market data (pairs, prices, OHLC ca...48.6 Xpansiv Marketplace FIX APIThe Xpansiv Marketplace Server API for retrieving real-time market data and executing and managing orders o...48.1 tZERO Trading APIOrder management for secondary-market trading (fees, submit, cancel, list orders).47.6 Anchorage Digital Trading APIAPI endpoints for managing RFQ, Market or Limit orders [Anchorage Digital websocket API documentation.](htt...47.2 Sponge Trading APIThe Trading API from Sponge — 1 operation(s) for trading.46.3 TokenBot APIREST + GraphQL API for TokenBot copy-trading — manage exchange accounts, strategies, copiers, trades, notif...45.1 FX Market Data - NDF Matching APIPoint-to-point market data service based on FIX SBE technology, allowing trading participants to receive re...44.8 FX Participant Insight Reporting APIAPI providing reporting and analytics for FX trading participants on LSEG venues, enabling access to execut...44.8 FX Reference Data APIService providing reference data for LSEG FX venues, offering instrument and venue configuration data to su...44.8 LSEG Tick History REST APIREST API providing access to historical high-frequency timestamped tick data across all global asset classe...44.8 HTX Spot REST APIThe HTX Spot REST API provides HTTP access to reference data (system status, symbols, currencies, chains), ...44.3 Bullet Trading APIThe Trading API from Bullet — 2 operation(s) for trading.43.1 ZebPay Spot API v2Spot trading API on sapi.zebpay.com (market data, orders, balances), documented in markdown in the zebpay-a...42.4 Triton One Trading APIsHosted trading APIs available on the Triton platform — Pyth Hermes price feeds, Jito bundle simulation, Met...42.2 Mudrex Futures Trading APIProgrammatic control over a Mudrex futures trading account. Transfer funds between the spot and futures wal...42.1 Mudrex MCP ServerMudrex's official hosted Model Context Protocol server, which exposes the Mudrex Futures Trading API to MCP...42.1 FinancialData.Net MCP ServerHosted MCP server mapping the entire REST API documentation into callable MCP tools (e.g., getStockSymbols,...42.0 FinancialData.Net REST APIREST API for financial and market data covering equities, ETFs, crypto, forex, derivatives, fundamentals, f...42.0 HitBTC Trading APIThe Trading API from HitBTC — 2 operation(s) for trading.42.0 CoinSwitch PRO Trading APIProfessional REST + WebSocket trading API for Spot (INR/USDT), USDT-margined Perpetual Futures, HFT, and Op...41.6 ICE Consolidated Feed APIThe ICE Consolidated Feed API provides developers with access to ICE Data Services real-time and delayed ma...41.4 XT.COM Spot APIXT.COM spot trading REST API (v4) for market data, orders, balances, deposits and withdrawals. Documented a...40.9 Sequence Markets Trading APIBearer-auth REST API and multiplexed WebSocket streaming surface for the Sequence Markets trading OS — cred...40.8 ETHGas APIETHGas v1 REST + WebSocket API for market data, order placement/management, funding (collateral deposits/wi...40.1 Databento Live Streaming APILow-latency live market data delivered over a raw TCP binary streaming protocol using Databento Binary Enco...39.5

Thin 57 Limited public surface area

Binance Trading APITrading endpoints for COIN-M futures orders.39.1 FOREX.com Account APIRetrieve client and trading account details including account IDs, balance, available margin, and personal ...39.1 FOREX.com Order APIPlace and manage trade orders on the FOREX.com platform against live streaming prices. Supports market pric...39.1 FOREX.com Position APIList and manage open trading positions on the FOREX.com platform. Retrieve active positions including unrea...39.1 FOREX.com Session APIAuthenticate and manage API sessions for the FOREX.com trading platform. A POST request to the session endp...39.1 Pintu Pro Partner APIPintu Pro's institutional/partner trading API. A unified message format is used over both an HTTP endpoint ...39.1 Bitnomial Exchange REST APIPublic HTTPS REST API for the Bitnomial exchange — products and contract specs, orders, fills, block trades...39.0 Coinbase Commerce Trading APIThe Trading API from Coinbase Commerce — 32 operation(s) for trading.38.7 Bloomberg EMSX Trading APIAPI for order creation, routing, management and execution monitoring through Bloomberg EMSX platform. Suppo...38.6 Bloomberg Order Management APIAPI for order and execution management, enabling algorithmic trading, smart order routing, and integration ...38.5 Montran Trading SystemProvides a fast, secure, and innovative platform that facilitates the multi-currency trading of financial i...38.4 Deribit FIX APIFinancial Information eXchange protocol interface for institutional trading on Deribit. Designed for profes...38.2 Deribit Trading APIThe Trading API from Deribit — 38 operation(s) for trading.38.2 Deribit WebSocket APIJSON-RPC over WebSocket interface for real-time bidirectional communication with the Deribit exchange. Reco...38.2 Rho Protocol Trading APIThe Trading API from Rho Protocol — 3 operation(s) for trading.37.5 Tristero Trading APIThe Trading API from Tristero — 2 operation(s) for trading.37.3 Webull Trading APIOrder management across stocks, options, futures, crypto, and event contracts — place, preview, replace, ca...37.0 Korbit Trading APIThe Trading API from Korbit — 4 operation(s) for trading.36.8 OANDA Account APIManage and retrieve OANDA trading account details, summaries, tradeable instruments, and configuration sett...36.6 OANDA Order APICreate, list, modify, and cancel orders in an OANDA trading account. Supports market, limit, stop, take pro...36.6 OANDA Position APIList all positions (historical and open) and close out open positions for a specific instrument in an OANDA...36.6 OANDA Trade APIList, retrieve, partially or fully close open trades, and manage dependent orders (take profit, stop loss, ...36.6 OANDA Transaction APIAccess full transaction history for an OANDA trading account with time-based and ID-range queries. Includes...36.6 Public Trading APIREST API for programmatic trading on Public — manage brokerage accounts, pull portfolio and transaction his...36.6 IntelligentCross FIX Order Entry APIOrder entry into the IntelligentCross ATS books (Midpoint, ASPEN Fee/Fee, ASPEN Maker/Taker, ASPEN Taker/Ma...36.1 Qorevia Trading APIThe trading API from Qorevia — 1 operation(s) for trading.36.1 Liquid Co-Invest MCPCo-Invest is Liquid delivered as a remote Model Context Protocol (MCP) server. Once connected, an MCP clien...35.7 DriveWealth FIX APIFinancial Information Exchange (FIX) protocol API for institutional-grade connectivity to DriveWealth's tra...33.6 PowerTrade FIX APIFIX 4.4 order-entry and drop-copy gateway for order management, with Go example clients published on GitHub.33.6 PowerTrade REST APIPublic and private REST endpoints for market-data summaries, public trade history, positions, holdings, bal...33.6 Taurus-PRIME APIInstitutional trading infrastructure with deep liquidity and institutional-grade execution, accessible over...33.1 Cryptomus Exchange and Market Data APIREST and WebSocket API for accessing real-time cryptocurrency exchange rates, order books, tickers, trade h...32.9 MIAXdx Market Data and Account APIPublic and authenticated REST API on api.ledgerx.com covering exchange contracts, traded contracts, contrac...32.8 MIAXdx Trading APIAuthenticated order-entry REST API on trade.ledgerx.com for listing resting limit orders, placing orders, c...32.8 BitGo Trading APIThe Trading API from BitGo — 1 operation(s) for trading.32.7 Bitvavo FIX APIFIX protocol API; the FIX dictionary is published at docs.bitvavo.com/api-specs/2026-04-28.fix.xml.32.7 Bitvavo Trading APIManage your orders and trades on Bitvavo.32.7 Bitvavo WebSocket APIReal-time WebSocket API for market data, trading, transfers, and account management on Bitvavo.32.7 One Trading APIAccount order and trade endpoints (Bearer token, TRADE/READ scope)32.4 StoneX GF Futures APIThe StoneX GF (GAIN Futures) API provides institutional-grade access to futures trading including market da...31.5 StoneX Trading APITrade submission and management.31.5 Capital.com WebSocket APIThe Capital.com WebSocket API streams real-time market data, supporting up to 40 concurrent instruments and...31.3 Hyperliquid Python SDKOfficial Python SDK for the Hyperliquid REST and WebSocket APIs. Handles EIP-712 signing, action serializat...31.3 Hyperliquid REST APIPublic REST API for the Hyperliquid exchange. Read endpoints expose market metadata, order books, candles, ...31.3 Hyperliquid Rust SDKOfficial Rust SDK for the Hyperliquid REST and WebSocket APIs, suited for high-performance market-making an...31.3 Mboum Stock & Options Data APIREST/JSON API for stock and options market data: quotes, history, options chains, unusual options activity,...31.2 CoinNudge Data APIREST HTTP API returning JSON/CSV for crypto market datasets. Includes a free Research scope (no paid key re...30.7 Interactive Brokers Client Portal APIThe Interactive Brokers Client Portal API is a REST API accessed through a locally running Java gateway tha...30.5 OKX Trading APIREST and WebSocket endpoints for order book trading, algo orders, block trading, spread trading, and copy t...30.3 GRVT Market Data APIPublic market-data API for GRVT — instruments, currencies, supported assets, margin rules, mini/full ticker...30.2 GRVT Trading APIAuthenticated trading API for GRVT — create/cancel orders (single, bulk, TP/SL, trigger), open orders and o...30.2 Bloomberg API (BLPAPI)Desktop API enabling custom applications to access Bloomberg data and functionality programmatically throug...29.7 WazirX Trading APIAuthenticated endpoints for order management and trade history29.3 FalconX APIFalconX REST trading API for institutional digital-asset execution: price quotes, order placement and execu...29.2 eToro Trading APIProvides REST endpoints for executing and managing trades on eToro for both real and demo (paper trading) a...29.1 Perp V1 Market Maker APISigned, high-performance interface for connecting trading bots to the perp.com V1 matching engine: a privat...29.1 Murex MX.3 PlatformComprehensive capital markets platform providing trading, risk management, and post-trade operations across...26.8

Emerging 35 Early or largely undocumented

DEGIRO Trading APIThe trading API from DEGIRO — 4 operation(s) for trading.26.1 E*TRADE from Morgan Stanley - Order APIThe E*TRADE from Morgan Stanley Order API is the trading module of the public E*TRADE V1 REST platform, let...26.0 DigiFinex Trading APIThe Trading API from DigiFinex — 8 operation(s) for trading.25.4 El Dorado APIThe El Dorado onramp/offramp trading API for converting between Latin American fiat currencies and crypto (...24.8 Jupiter Perps APIREST interface to Jupiter Perpetuals — fetch markets, positions, funding, pricing, and build open / close /...24.8 Jupiter Prediction APIBinary prediction-market API for browsing markets, fetching prices and positions, and constructing trade tr...24.8 Jupiter Trading APIThe Trading API from Jupiter — 1 operation(s) for trading.24.8 Jupiter Trigger API (Limit Orders)Create, query, and cancel on-chain trigger orders — single limit orders as well as one-cancels-the-other (O...24.8 Hidden Road API (v0)The Hidden Road prime brokerage and clearing API suite, announced generally available on 2023-05-04. Four s...24.6 Filament APISignature-authenticated REST + WebSocket order-book API for the Filament perpetual DEX on Sei. Place limit/...24.3 Pendle Boros HTTP APIREST API for the Boros margin trading venue — querying markets, account positions, orders, fills, funding, ...24.3 Pendle Boros SDKOfficial TypeScript SDK (`@pendle/boros-sdk-public`) that wraps calldata generation, EIP-712 signing, the A...24.3 Iress Web Services V4Iress Web Services V4 is a SOAP XML document/literal web service used to access IRESS market data and Web A...24.1 CoinAPI EMS Trading APICoinAPI's Execution Management System (EMS) is a unified, multi-exchange crypto trading API that lets insti...24.0 Delphi APIREST + on-chain API for the Delphi information (prediction) market platform. REST endpoints cover market di...22.5 A-Mark Wholesale TradingA-Mark's wholesale precious metals trading platform enables dealers and financial institutions to buy and s...21.6 Synthetix Trade APIAuthenticated REST API for trading operations and account management on the Synthetix perpetuals exchange. ...21.6 Synthetix WebSocket Trade APIAuthenticated WebSocket API for real-time trading operations and account event streaming on Synthetix. Supp...21.6 Arkham ExchangeArkham's centralized crypto exchange - spot and perpetual futures trading, deposits, withdrawals, and integ...21.1 Arkham Exchange APIREST API for Arkham Exchange covering public market data (symbols, tickers, order book, trades, klines) and...21.1 KyberSwap Limit Order APIEnables creation, management, and fulfillment of gasless limit orders. Exposes General, Maker, and Taker en...21.1 1inch Orderbook APILimit Order Protocol orderbook — create, query, fill, and cancel signed limit orders across supported EVM c...21.0 CCXT Unified API (library)Unified in-process library API (fetchTicker, fetchOrderBook, createOrder, fetchBalance, etc.) across 100+ e...20.2 bitFlyer Trading APIThe Trading API from bitFlyer — 13 operation(s) for trading.19.3 BitMart Futures Trading APIThe BitMart Futures Trading REST API enables trading of perpetual futures contracts on the BitMart derivati...19.1 BitMart Margin Trading APIThe BitMart Margin Trading API provides access to isolated margin trading functionality. Developers can sub...19.1 BitMart Spot Trading APIThe BitMart Spot Trading REST API provides programmatic access to spot trading on the BitMart global crypto...19.1 A5X Technical InterfacesThe trading, market data and post-trade interfaces A5X exposes to exchange participants — order entry and d...18.4 Cumberland CPE APIElectronic trading API for Cumberland institutional clients, listed as "API" on status.cumberland.io; refer...16.9 Flowdesk Platform ConnectFlowdesk Platform Connect is the developer API for programmatic OTC spot trading. It offers a REST interfac...16.5 Figure Markets Exchange APIAccess-controlled trading API for the Figure Markets exchange (EP3 matching engine on Provenance Blockchain...15.6 Calypso WorkstationCalypso Workstation is the end-user desktop application for the Nasdaq Calypso platform. It delivers real-t...13.9 EPEX SPOT MATS Auction Trading APIMember trading API for the Multiple Auction Trading System (MATS), the platform that replaced the legacy ET...12.5 xRocket Exchange APIREST API for creating/canceling market/limit orders, retrieving order books, tracking pair rates, executing...11.7 xRocket Pay APIREST API (v2) to manage cheques, transfers, invoices, withdrawal links, withdrawals, mass transfers and que...11.7

Minimal 5 Almost no public developer surface

Calypso Core APIMain REST API for the Nasdaq Calypso platform. Provides programmatic access to remotely control calls to th...10.8 Calypso Front Office APIProvides programmatic access to Calypso front office capabilities including real-time portfolio insights, i...10.8 Ally Invest API (Legacy / Retired)The legacy Ally Invest brokerage REST API, inherited from Ally's 2016 acquisition of TradeKing. It offered ...9.6 Hundsun Trading PlatformEnterprise trading platform offered to brokerages and securities firms, covering order management, executio...8.5 SunGard Financial SystemsSunGard Financial Systems offered software and services for trading, treasury, risk management, capital mar...7.3

Companies reaching this through an API (20)

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

Score breakdown

Frequency

72.3

log-scaled weighted occurrences

Breadth

6.9

spread across providers

Quality lift

30.0

mean composite of providers using it

Cohesion

34.9

strength of nearest seed neighbor

Where this tag sits

308 providers carry this tag directly, and 352 counting the 1 narrower tag below and the 3 beneath them — 44 more to reach.

Exchange 80 providers

Where this tag comes from

Api tag154

Provider tag313

Openapi tag19

Openapi op tag90

Markets provisional

Kin Score markets whose measured providers carry this tag. Share is the fraction of the market's measured providers that carry it — it describes the market, not this tag.

Market	Share of the market's providers
Capital Markets and Trading	55%
Crypto and Digital-Asset Exchanges	44%
Private Markets and Fund Administration (ILPA, broker-dealer registration, options market-data vendors)	31%
France Authorised Financial Firms (ACPR REGAFI + AMF white list)	23%

Cohort brief

Auto-generated

The 293 providers in the APIs.io catalog tagged Trading, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

293

of 308 in the catalog

Mean Kin Score

29.9

+7.7 vs catalog 22.2

Mean Agent Readiness

19.3

+7.3 vs catalog 12

Spread

0–67.6

median 30.7 · σ 16

How the 293 split by band

Exemplar 2Strong 16Developing 69Thin 89Emerging 67Minimal 50

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	37.7	23.2	+14.5	293
Contract Quality	28	17.2	+10.8	293
Operational Transparency	20.2	13	+7.2	293
Discoverability	64.5	57.9	+6.6	293
Contract Governance	9.3	6.5	+2.8	293
Access Clarity	25.2	23.9	+1.3	293

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)	15%	13%	+2
MCP server (first-party)	16%	12%	+4
Agent Skills	0%	0%	0
OAuth scopes	12%	11%	+1
Security	100%	98%	+2
Arazzo workflows	3%	2%	+1
Governance rules	25%	16%	+9

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

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/trading"

All tags

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

As a scored cohort

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

The distribution (Pro)

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

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Trading

Providers using this tag (308)

APIs with this tag (154)