emerging · 1.3

Brokerage

Score 21.9 / 100 100 providers 29 APIs Search apis.io →

Providers using this tag (100)

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

Exemplar 3 Complete, well-documented, and agent-ready
KrakenCryptocurrencyExchangeTradingMarket Data24 APIs70.6PlaidFinancialFintechOpen BankingBank Accounts31 APIs68.2Clear StreetCompanyFinancial-ServicesCapital MarketsPrime Brokerage23 APIs67.4
Strong 4 Solid coverage with minor gaps
AlpacaFintechTradingStocksCrypto23 APIs62.7TradierFintechTradingStocksOptions4 APIs61.4MVMNTFreightLogisticsTransportation Management SystemSupply Chain27 APIs57.3SafelloCompanyFintechCryptocurrencyBitcoin7 APIs55.2
Developing 12 Usable, with meaningful gaps to close
Ally InvestInvestingTradingFinance11 APIs51.6DinariCompanyTokenized SecuritiesStocksETFs10 APIs49.9RobinhoodCompanyFintechCryptocurrencyTrading5 APIs48.0WealthKernelCompanyInvestingWealth Management1 API46.6tastytradeFinanceTradingOptions29 APIs45.1TradeStationCryptocurrencyFinanceFutures6 APIs43.8Financial Data Exchange (FDX)Financial DataOpen BankingOpen FinanceFinancial Data Exchange12 APIs43.6lemon.marketsCompanyFintechInvesting17 APIs42.9Charles SchwabAccountBankingFinancial-Services10 APIs42.6Keller WilliamsReal-EstateUnited StatesResidential Real Estate3 APIs39.7PublicCompanyConsumerInvesting1 API39.5Anywhere Real EstateReal-EstateUnited StatesProperty ListingsMLS23 APIs39.3
Thin 17 Limited public surface area
EtradeBondsFinancialFutures3 APIs38.1TD AmeritradeTradingFinanceEquities15 APIs37.6WebullCompanyTechnologyFinancial-Services3 APIs37.5WahiReal-EstateCanadaProperty ListingsMLS2 APIs36.9TD Ameritrade HoldingFinanceTradingMarket Data9 APIs36.8Interactive BrokersMarket DataOrderPortfolio7 APIs35.8AjaibCompanyFinancial-ServicesInvesting3 APIs35.6OfferpadReal-EstateUnited StatesiBuyerPropTech2 APIs35.1Alta5CompanyTradingOptionsAutomated Trading34.8FirstradeCommission-Free TradingStocksETFs6 APIs34.2AlpacaMarket DataTradingStocks16 APIs33.5DEGIROTradingStocksETFs11 APIs32.8LightyearCompanyFinancial-ServicesInvesting32.2Bamboo InvestInvestmentsStocksFractional SharesAfrica21 APIs31.1Morgan StanleyFinancialInvestment BankingWealth Management6 APIs29.3Knight FrankReal-EstateUnited KingdomProperty ListingsCommercial Real Estate1 API29.1WoodstockCompanyInvestingStock Trading27.4
Emerging 30 Early or largely undocumented
MomentCompanyFixed IncomeBondsTrading1 API25.9FreetradeCompanyInvestingStock Trading24.1Connells GroupReal-EstateUnited KingdomProperty Listings1 API24.0BGC GroupInter-Dealer BrokerFinancial-ServicesCapital Markets7 APIs22.9RE/MAX CanadaReal-EstateCanadaProperty Listings1 API22.1FutuCompanyTechnologyFintech1 API21.3PLACECompanyReal-EstateProperty TechnologyPropTech21.1Arthur J. GallagherInsuranceRisk ManagementClaims Management5 APIs20.7RE/MAXReal-EstateUnited StatesProperty Listings3 APIs19.8Ally FinancialBankingAuto FinanceInvestingLending2 APIs16.9TIAA-CREF403bAnnuitiesAsset ManagementFortune 1004 APIs16.7Fidelity InvestmentsFinancial-ServicesAsset ManagementWealth Management16.3PrettoCompanyFintech InsurtechMortgageLending16.0Royal LePageReal-EstateCanadaProperty ListingsMLS15.4The Vanguard GroupActive ManagementAdvisor ServicesAsset Management15.4NewfrontCompanyFintechInsuranceInsurtech13.8VestedCompanyFinancial-ServicesFintechInvesting13.6BUXCompanyFintechInvestingNeobroker13.4Ray WhiteReal-EstateAustraliaProperty Listings13.2RentSpreeReal-EstateRentalsRental ApplicationsTenant Screening12.5Trade RepublicCompanyConsumerFintechTrading12.5Motilal OswalCompanyFintechFinancial-Services11.8TreasuryCompanyInvestingPersonal FinanceFintech11.8Douglas EllimanReal-EstateUnited StatesProperty Listings11.7VouchInsuranceBusiness InsuranceCommercial InsuranceInsurtech11.7AfterHourCompanyConsumerFintechSocial Trading11.5AtomicCompanyInvestingWealth Management11.2FrecCompanyFintechInvestingWealth Management11.0Plus SimpleCompanyInsuranceInsurtechFintech11.0PropsellerCompanyMarketplaceReal-EstatePropTech11.0
Minimal 34 Almost no public developer surface
District CoverCompanyInsuranceInsurtechCommercial Insurance10.6La HausCompanyReal-EstatePropTechMarketplace10.5GydeCompanyInsuranceInsurtechHealth Insurance9.7WithcoverageCompanyInsurtechInsuranceRisk Management9.6HomedayCompanyReal-EstatePropTechGermany9.2LJ HookerReal-EstateAustraliaNew ZealandProperty Listings9.2SideCompanyPropTechReal-Estate8.9Century 21 CanadaReal-EstateCanadaFranchising8.7PellegoCompanyReal-EstatePropTech8.7StockbitCompanyFintechInvestingStock Trading8.7ThndrCompanyFintechInvesting8.7Cocos CapitalCompanyFintechInvesting8.4Hundsun TechnologiesAsset ManagementBanking SoftwareChinaFinancial Technology3 APIs8.0SavillsReal-EstateUnited KingdomCommercial Real EstateProperty Listings7.9SahiCompanyFintechStock Trading7.7RealPactCompanyReal-EstatePropTechArtificial Intelligence7.4McGrathReal-EstateAustraliaProperty Listings6.4PantaCompanyInsuranceInsurtechCommercial Insurance6.3Raymond James FinancialAsset ManagementBankingCapital Markets6.2KinroCompanyInsuranceInsurtechArtificial Intelligence5.8CompassReal-EstatePropTechFortune 5005.2CompassReal-EstateResidential Real EstatePropTech3.9eXp World HoldingsReal-EstatePropTechCloud Workspace3.8Sidekick DataCompanyReal-EstateArtificial IntelligenceAI Assistant2.6TradeKingCompanyTradingInvesting2.6InveraCompanyFintechInvesting2.5Janney Montgomery ScottAsset ManagementCapital MarketsFinancial Planning2.2Unreal EstateCompanyReal-EstatePropTechMLS2.2Realogy HoldingsReal-EstateResidentialFranchising2.0UaláFintechNeobankDigital BankingPrepaid Card2.0RizeCompanyFintechBankingBanking as a Service1.5CovestorCompanyFintechInvestingWealth Management1.2mcmaklerCompanyReal-EstatePropTechGermany1.2MochatradeCompanyTradingFintech0.0

APIs with this tag (29)

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 2 Complete, well-documented, and agent-ready
Kraken Prime REST + WebSocket + FIX APIPrime brokerage API surface (REST, WebSocket, FIX) for institutional clients consolidating execution, custo...70.6Plaid Investments APIPlaid's Investments is part of the Plaid open-finance platform, exposing 4 documented endpoint(s) under the...68.2
Developing 18 Usable, with meaningful gaps to close
WealthKernel APIAll-in-one REST API for digital investing: onboarding, accounts (GIA/ISA/JISA/SIPP), funding, custody, trad...46.6FDX Investment APIRESTful endpoints for retrieving investment account data including holdings, positions, investment transact...43.6Public Trading APIREST API for programmatic trading on Public — manage brokerage accounts, pull portfolio and transaction his...39.5Anywhere Agent Recruiting APIAn endpoint for third-party CRM integration partners to deliver recruiting activities into Anywhere's iPros...39.3Anywhere BackOffice Read-only APIRead-only access to Anywhere back-office data from the Dash platform, including listing, transaction, agent...39.3Anywhere Dynamic Search APIReal-time search over Anywhere listing details for applications that do not maintain a local data store. Do...39.3Anywhere Earnest Money APIManage and access earnest money data for brokered trades: payee search, buyer and seller retrieval for a de...39.3Anywhere Leads Engine APIHandles ingestion, routing and assignment of leads for Anywhere brands. Listed on the developer portal home...39.3Anywhere Leads Management APIPowers third-party CRM applications to sync lead data with Anywhere source systems so agents can manage lea...39.3Anywhere Listing Metric APIListing management metric information for Anywhere franchise brands, including video views, virtual tour vi...39.3Anywhere Listing Syndication APISynchronize marketing data for all Anywhere franchise brands and the brokerage group to an external system....39.3Anywhere Listings Promotions APISynchronize promotion data from Anywhere, covering channels, publication lists in each channel, nominated l...39.3Anywhere Marketing - Franchise APISynchronize marketing data for all Anywhere franchise brands and brokerages, including Corporate Staff, Com...39.3Anywhere Marketing and Transactions APISynchronize Anywhere marketing data together with franchise brokerage production (transaction) details. Mar...39.3Anywhere Master Data (MDM) APIA bundle of APIs representing clean, curated master data for Agent, Office, Company, Staff and Listings ent...39.3Anywhere MLS Data Service APIEndpoints for MLS listings data assembled by Anywhere's MLS Data Platform (MDP), which downloads, processes...39.3Anywhere RealVitalize APIAllows HomeAdvisor to integrate its backend services with the RealVitalize backend — accessing enrollment i...39.3Anywhere Transactions - Franchise APISynchronize brokerage production (transaction) data from Anywhere, including Sale and Other Income transact...39.3
Thin 6 Limited public surface area
Webull Trading APIOrder management across stocks, options, futures, crypto, and event contracts — place, preview, replace, ca...37.5Interactive Brokers Client Portal APIThe Interactive Brokers Client Portal API is a REST API accessed through a locally running Java gateway tha...35.8E*TRADE from Morgan Stanley - Accounts APIE*TRADE from Morgan Stanley operates a genuinely public, self-service developer platform whose REST Account...29.3E*TRADE from Morgan Stanley - Alerts APIThe E*TRADE from Morgan Stanley Alerts API is the notifications module of the public E*TRADE V1 REST platfo...29.3E*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...29.3E*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...29.3
Emerging 2 Early or largely undocumented
Ally Invest API (Legacy / Retired)The legacy Ally Invest brokerage REST API, inherited from Ally's 2016 acquisition of TradeKing. It offered ...16.9TIAA Wealth ManagementTIAA's wealth management services for individuals, including managed accounts, brokerage services, financia...16.7
Minimal 1 Almost no public developer surface
Hundsun Trading PlatformEnterprise trading platform offered to brokerages and securities firms, covering order management, executio...8.0

Score breakdown

Frequency
57.3
log-scaled weighted occurrences
Breadth
2.7
spread across providers
Quality lift
27.0
mean composite of providers using it
Cohesion
10.0
strength of nearest seed neighbor

Related tags

Investing 31 co-occurrences Stocks 17 co-occurrences Property Listings 15 co-occurrences Options 17 co-occurrences MLS 12 co-occurrences Trading 30 co-occurrences PropTech 27 co-occurrences Wealth Management 19 co-occurrences

Where this tag comes from

Provider tag94
Api tag29

Cohort brief

Auto-generated

The 100 providers in the APIs.io catalog tagged Brokerage, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
100
all scored
Mean Kin Score
22.3
+1.6 vs catalog 20.7
Mean Agent Readiness
12.5
+2.8 vs catalog 9.7
Spread
0–70.6
median 15.4 · σ 17.8
How the 100 split by band
Exemplar 3Strong 4Developing 12Thin 17Emerging 30Minimal 34
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 25.6 22.3 +3.3 100
Discoverability 63 60.4 +2.6 100
Contract Quality 19.6 17.5 +2.1 100
Developer Ergonomics 19.6 17.9 +1.7 100
Contract Governance 7.8 6.4 +1.4 100
Operational Transparency 10.5 11.3 -0.8 100

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) 24% 16% +8
MCP server (first-party) 11% 7% +4
Agent Skills 0% 0% 0
OAuth scopes 18% 9% +9
Security 97% 88% +9
Arazzo workflows 5% 2% +3
Governance rules 16% 13% +3

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 Kraken 70.6
  2. 2 Plaid 68.2
  3. 3 Clear Street 67.4
  4. 4 Alpaca 62.7
  5. 5 Tradier 61.4
  6. 6 MVMNT 57.3
  7. 7 Safello 55.2
  8. 8 Ally Invest 51.6
  9. 9 Dinari 49.9
  10. 10 Robinhood 48
Top by Agent Readiness
  1. 1 Clear Street 63.2
  2. 2 Alpaca 51.3
  3. 3 Tradier 45.5
  4. 4 lemon.markets 41.5
  5. 5 MVMNT 38.3
  6. 6 Plaid 37.2
  7. 7 Safello 36.4
  8. 8 Kraken 36.1
  9. 9 Offerpad 34.7
  10. 10 Financial Data Exchange (FDX) 34.6
All 100 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 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.

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Tools for tags

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  • 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

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

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