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

Squarespace Transactions APIThe Squarespace Transactions API provides access to financial transaction records for a Squarespace merchan...74.0 Oracle Fusion Cloud ERP APIREST API for Oracle Fusion Cloud ERP providing access to financial management, procurement, and project man...69.5

Strong 13 Solid coverage with minor gaps

Cledara APICledara's public REST API over your own workspace. As of 2026-09-05 it is three read-only GET operations: l...65.2 Cledara SaaS Market Data HubCledara's public SaaS and AI market dataset — market share, adoption, rank movement and spend benchmarks ac...65.2 Cracked APIREST/HTTP API to discover, inspect, run and poll third-party agent tools, with smart-run capabilities, lead...64.0 IFS Finance APIGeneral ledger, vouchers, and financial entities62.9 Visma.net ERP APIREST API for Visma.net ERP (Visma Net Financials) covering general ledger, accounts receivable and payable,...61.9 ServiceNow AP Invoice APIThe ServiceNow AP Invoice API provides REST endpoints for managing accounts payable invoice records on the ...60.7 GenomeThe Genome merchant payments programme as a whole — hosted payment pages, host-to-host card processing, pay...57.5 ReefAPI MCP ServerHosted MCP server over streamable-HTTP with 5 discovery-first tools (search_engines, get_catalog, get_engin...56.9 ReefAPI REST APIPOST-based REST/JSON API fronting a catalog of web-data engines. Auth via x-api-key header; uniform {ok,dat...56.9 Autopay Accounting APIThe Autopay Accounting API provides Autopay invoicing data to external accounting and ERP systems, enabling...56.3 Intrinio Web API v2Intrinio's REST API for financial data — stock prices, options, fundamentals, estimates, ETFs, indices, cor...56.0 Xero Finance APIThe Finance API from Xero — 8 operation(s) for finance.55.4 Adanos Market Sentiment APIRESTful JSON API grouping five sentiment services (Reddit Stocks, X.com Stocks, Stock News, Polymarket Stoc...54.3

Developing 38 Usable, with meaningful gaps to close

Zoho BooksThe Zoho Books API allows you to perform all the operations that you do with the web client. It is built us...54.1 Zoho Finance APIThe Finance API from Zoho — 6 operation(s) for finance.54.1 Zoho InvoiceThe Zoho Invoice API allows you to perform all the operations that you do with the web client. It is built ...54.1 UCSB ClassCode Lookup ServiceLookup of BARC class codes, which determine a student billing category. Access Approval Required. Published...53.4 UCSB Department ChartfieldDepartment, cost centre, cost type and project-code chartfields from the campus financial system. Published...53.4 UCSB PeopleSoft FAU (Functional Accounting Unit) Combination ServiceValidation of PeopleSoft Functional Accounting Unit chartstring combinations. A POST-based validation servi...53.4 Factorial Expenses APISubmit, approve, and reconcile employee expenses, mileage claims, and per-diem requests.51.3 Factorial Finance and Banking APIBank accounts, transactions, ledger accounts, journal entries, tax rates and tax types, cost centers, cost ...51.3 Factorial Payroll APIPayroll supplements, payroll identifiers, family situations, and bookkeeper resources. Backs Factorial's in...51.3 Palmetto Finance (LightReach) APIFinance solar, storage and other clean-energy projects; includes contracts, documents, organizations, users...50.6 Hostaway Finance APIFinancial operations for vacation rental managers — finance fields, price calculations, expenses and extras...50.5 Veryfi Bank Statements APIThe Veryfi Bank Statements API extracts structured data from bank statements using AI-powered OCR, enabling...49.7 Axway Open BankingAxway Open Banking provides prebuilt APIs for regulatory compliance and ecosystem engagement, supporting PS...49.4 Kronos Quant Signal REST APILive REST/JSON API with 32 endpoints for price-path forecasting, market/risk context, accuracy audits, and ...49.1 Bitculator Data APIREST API for cryptocurrency market data. JSON responses with Laravel-style pagination, HTTP Bearer auth, qu...48.9 Yale Enterprise (SOA) ServicesEleven services delivered by Yale's Integration Competency Center covering Yale identities (People Hub — Pe...48.4 CJ Product Search APIGraphQL API for product discovery, product feeds and catalog management across advertiser feeds. Ten querie...47.2 Dynamics 365 Finance & Operations APIAPI for managing financial operations, accounting, budgeting, and enterprise resource planning.46.2 Finage WebSocket Market Data StreamReal-time streaming trades and quotes for US stocks, global stocks, forex, crypto, CFD indices, and ETFs ov...45.8 Investopedia RSS FeedsRSS feeds for Investopedia.com, the dominant retail-investor finance reference site in the portfolio. Carri...45.7 SEC EDGAR Company Filings APIThe SEC EDGAR (Electronic Data Gathering, Analysis, and Retrieval) system provides REST APIs for accessing ...44.9 TikTok Finance APISettlement and financial reporting44.9 Workday SOAP Web ServicesComprehensive SOAP-based web services for deep integration with Workday including Human Capital Management,...44.0 SJTU Open APIThe university's own REST API platform (开放API), operated by the SJTU Network and Information Center at api....43.8 AlayaCare Accounting APIREST API for financial operations within AlayaCare, including billing records, invoices, and accounting dat...43.6 FinancialData.Net MCP ServerHosted MCP server mapping the entire REST API documentation into callable MCP tools (e.g., getStockSymbols,...43.3 FinancialData.Net REST APIREST API for financial and market data covering equities, ETFs, crypto, forex, derivatives, fundamentals, f...43.3 WashU Enterprise Integration APIs (MuleSoft Anypoint)Institutional integration APIs published in a MuleSoft Anypoint Exchange tenant and described publicly as "...43.1 DualEntry Public APIREST API for programmatic access to an organization's accounting data across setup (accounts, items, classi...42.3 Aalto Projects and Cost Centers APIAdministrative reference data — cost centres, projects, departments and schools — from Aalto's data warehou...42.2 Rightsline Royalties APIRESTful API for managing royalties, revenue data, and financial workflows. Supports bulk loading of revenue...42.1 BIM 360 Cost Management APIProvides access to cost and budget changes within construction projects, including budget, contract, and ch...41.6 Anywhere Earnest Money APIManage and access earnest money data for brokered trades: payee search, buyer and seller retrieval for a de...41.4 BitPay Ledgers APIAccess account balance records by currency and track individual ledger entries.40.2 BitPay Settlements APIAccess transfer reports documenting payment profits settled from BitPay.40.2 Payments APIManage payment records associated with procurement transactions and contract fulfillment. Version 1.0.39.4 Viewpoint Construction ERP APIsThe Viewpoint suite of construction ERP APIs includes Jobpac Connect, Spectrum, and Vista. These REST and w...39.4 Ariba Network Invoice Header Data Extraction APIExtracts invoice header data from the Ariba Network for reporting, reconciliation, and integration with fin...39.3

Thin 37 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 FHFA House Price Index DataThe FHFA House Price Index distributed as bulk files over anonymous HTTPS GET. The master series at https:/...38.5 Gett Finance APIReceipt retrieval and financial operations38.5 You.com Finance Research APIThe Finance Research API specializes in financial intelligence, returning sourced answers to investment and...36.9 apaleo Finance APIFolios, payments, refunds, invoices, and accounts.35.7 Blackstone Investor PortalBlackstone provides institutional and individual investors with access to portfolio information, capital ac...35.0 Bolsai Financial Data APIREST/JSON API for Brazilian financial-market data — equities, FIIs, fundamentals, dividends, financial stat...33.8 Skydropx Finance APIPrepaid credit balance and extra charges.33.6 EXIM Open Data CatalogEXIM's entire programmatic open-data footprint: a Project Open Data v1.1 (DCAT-US) catalog at data.json lis...32.5 Taylor Morrison Home Funding APITaylor Morrison Home Funding (TMHF) provides mortgage loan origination services integrated with the homebuy...32.4 US Bank Data Toolbox APIThe Data Toolbox API provides access to U.S. Bank retail banking consumer account data including checking, ...32.2 US Bank Freight Payment APIThe Freight Payment API suite provides freight audit and payment processing capabilities, enabling freight ...32.2 US Bank Holidays APIThe Bank Holidays API provides information about U.S. Bank processing holidays and Federal Reserve banking ...32.2 US Bank Instant Payments APIThe Instant Payments API enables instant payment origination supporting FedNow and RTP payment rails for re...32.2 US Bank Voyager Fleet APIThe Voyager Fleet API suite provides fleet management capabilities for the Voyager network, enabling access...32.2 US Bank Wire Transfers APIThe Wire Transfers API enables domestic and international wire transfer origination from U.S. Bank corporat...32.2 BigChange Finance APIThe Finance API from BigChange — 3 operation(s) for finance.31.8 Ekuaibao Open APIThe 合思开放平台 (Ekuaibao / HOSE Open Platform) REST API. 200+ documented operations across contacts, corporatio...31.0 realtor Finance APIEndpoints for retrieving mortgage rates and financial data relevant to real estate transactions.30.3 Boosted.ai API (Alfa)The Boosted.ai (Alfa) API delivers personalized, autonomous market insights and conversational investment r...29.3 Multiplier Invoices APIConsolidated invoice and billing data for employment, payroll, and contractor services. Available to integr...29.0 Advanced IBAN Validation APIValidate an IBAN from a single iban parameter and get a success/code response. Useful for payment flows and...26.8 ApyHub Finance APIThe Finance API from ApyHub — 2 operation(s) for finance.26.8 BIN IP Checker APIValidate a BIN against an IP address and get a simple response envelope with `success` and `code`. Useful f...26.8 BIN Lookup APILook up a card BIN from a single query parameter and get a success envelope with a code. Useful for payment...26.8 Business Days Calculator API.Calculate business-day adds, counts, checks, and holiday lists with country calendars for US, GB, CA, AU, D...26.8 Foreigen Exchange Rates APIGet FX rate data for a chosen base currency. Returns a success flag, numeric code, and the rate blocks used...26.8 Identity & Fraud Verification APIValidate IP, BIN, DOB, VAT, IBAN, email, phone, address, and more in one request. Useful for onboarding, ri...26.8 Retrieve World Bank Public Data APIFetch World Bank indicator series by country and date range. Useful for GDP, population, and other developm...26.8 Search & Filter BIN Database APISearch BIN records by bank, brand, country, prefix, level, or card type. Get a response envelope with a suc...26.8 US Routing Number Lookup APILook up a U.S. bank by 9-digit routing number. Use it to validate payment details and retrieve the routing ...26.8 US Routing Number Validation APIValidate a 9-digit U.S. routing number from a query parameter. Use it to reject invalid bank details before...26.8 Validate EU VAT Batch APIValidate up to 10 VAT numbers per request and get per-item valid results, with lookup errors flagged separa...26.8 Validate IBAN Checksum APIValidate an IBAN from a query parameter and use the result to catch invalid bank account numbers before pay...26.8 Validate Payment Card APIValidate card numbers with Luhn and length checks, identify the network, and return masked or formatted val...26.8 VAT Company Lookup APIVerify a VAT number and retrieve the matching company name, address, country code, and validity status for ...26.8

Emerging 19 Early or largely undocumented

DICE Orders and Sales APIQuery orders and sales to understand event finances and feed sales into business intelligence - purchase ti...26.0 A-Mark Collateralized LoansA-Mark provides financing options using precious metals as collateral, offering collateralized loans to qua...25.7 Lane API Finance APIThe Finance API from Lane API — 1 operation(s) for finance.23.8 Autotrader Finance APIBeta API supporting finance application and quote management for vehicle purchases. Enables integration of ...22.7 FBN FinanceFBN Finance offers agricultural operating lines, equipment and land loans, refinancing, and crop insurance ...22.7 Certinia Accounting (ERP) APICertinia Accounting Apex API (namespace prefix CODAAPI) for core financials - sales and purchase invoices, ...22.6 BlackRock Aladdin APIThe Aladdin Developer program provides APIs that enable clients to access BlackRock's Aladdin platform capa...22.2 FinanceBenchFinanceBench is an open benchmark of 10,000 financial question-answer pairs grounded in public filings, use...22.0 Lazada Finance APIRetrieve transaction details, fee breakdowns, payout history, and invoice records used by sellers and ERPs ...19.7 FATCA/CRS Reporting TemplatesFATCA (Foreign Account Tax Compliance Act) and CRS (Common Reporting Standard) templates for financial inst...17.7 H&R Block APIH&R Block provides tax preparation templates and tools for individual and small business returns, including...17.7 QuickBooks Tax APIQuickBooks Online API provides access to tax-related financial data including income, expenses, and payroll...17.7 TurboTax APIIntuit TurboTax API enables integration with TurboTax for consumer and business tax preparation workflows, ...17.7 Xero Tax APIXero's Tax API enables accounting software and tax providers to connect to Xero for seamless tax return pre...17.7 JD Open Platform Finance APIFinance (财务) APIs return JD seller bills, payout records, invoice information, and reconciliation reports f...16.6 NordigenConnect to bank accounts using official bank APIs and get raw transaction data16.0 CMA CGM Invoice APIInvoice API family exposing freight invoices and associated documents programmatically — including a "Copy ...15.8 TikTok Shop Open APIRESTful Open API for managing TikTok Shop seller accounts, products, orders, fulfillment, returns and refun...14.7 Klippa Financial Document API (Receipts / Invoices)REST API specifically for parsing receipts, invoices and bank statements. Returns structured JSON with line...13.4

Minimal 25 Almost no public developer surface

NCUA Data and Call ReportsThe NCUA publishes downloadable Call Report data, Financial Performance Reports, and a Research a Credit Un...10.6 UBS Banking Ecosystem APIThe umbrella UBS Banking Ecosystem exposes APIs around the broader retail and private banking surface, cove...10.4 BillplzPayment platform9.2 Razorpay IFSCIndian Financial Systems Code (Bank Branch Codes)8.1 SEC EDGAR DataAPI to access annual reports of public US companies8.1 YNABBudgeting & Planning8.1 AletheiaInsider trading data, earnings call analysis, financial statements, and more7.6 Bank Data APIInstant IBAN and SWIFT number validation across the globe7.6 Boleto.CloudA api to generate boletos in Brazil7.6 Fed TreasuryU.S. Department of the Treasury Data7.6 Front Accounting APIsFront accounting is multilingual and multicurrency software for small businesses7.6 HeliumNews with media bias scoring, balanced news synthesis, live market data, AI options pricing7.6 IGSpreadbetting and CFD Market Data7.6 Indian Mutual FundGet complete history of India Mutual Funds Data7.6 Portfolio OptimizerPortfolio analysis and optimization7.6 Tax Data APIInstant VAT number and tax validation across the globe7.6 VAT ValidationValidate VAT numbers and calculate VAT rates7.6 WallstreetBetsWallstreetBets Stock Comments Sentiment Analysis7.6 Real Time FinanceWebsocket API to access realtime stock data6.9 Banco do BrasilAll Banco do Brasil financial transaction APIs6.7 EcondbGlobal macroeconomic data6.7 Yahoo FinanceReal time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange6.7 BinlistPublic access to a database of IIN/BIN information5.7 HotstoksStock market data powered by SQL5.7 SmartAPIGain access to set of and create end-to-end broking services5.7

Unrated 2 Not yet scored

AK Steel Investor RelationsAK Steel Holding Corporation investor relations portal providing access to financial reports, SEC filings, ...StyvioRealtime and historical stock data and current stock sentiment

Companies reaching this through an API (48)

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

Aalto University AK Steel Holding AlayaCare Anywhere Real Estate apaleo ApyHub Ariba Autodesk BIM 360 Autopay Autotrader Axway BigChange BitPay CJ Affiliate CMA CGM DICE Dotdash Meredith / People Inc Farmers Business Network Federal Housing Finance Agency (FHFA) Gett Hostaway IFS JD.com (Jingdong) Klippa Lane API Lazada Microsoft Dynamics 365 Multiplier Oracle Platforms Palmetto Patronus AI Realtor Rightsline Scout RFP SEC EDGAR ServiceNow Shanghai Jiao Tong University Skydropx Squarespace Taylor Morrison Home TikTok TikTok Shop API Trimble UBS University of California, Santa Barbara Visma Washington University in St. Louis Yale University

Score breakdown

Frequency

70.5

log-scaled weighted occurrences

Breadth

6.5

spread across providers

Quality lift

30.5

mean composite of providers using it

Cohesion

11.1

strength of nearest seed neighbor

Where this tag comes from

Provider tag237

Api tag136

Openapi tag12

Openapi op tag40

Cohort brief

Auto-generated

The 225 providers in the APIs.io catalog tagged Finance, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

225

of 237 on the roster

Mean Kin Score

+4.1 vs catalog 23.9

Mean Agent Readiness

16.3

+4.3 vs catalog 12

Spread

1.5–68.3

median 29 · σ 17.3

How the 225 split by band

Exemplar 1Strong 15Developing 47Thin 56Emerging 52Minimal 54

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Contract Quality	27.2	19.8	+7.4	225
Access Clarity	30.7	26.5	+4.2	225
Contract Governance	9.4	6.4	+3	225
Discoverability	63.6	61.2	+2.4	225
Developer Ergonomics	25.8	23.4	+2.4	225
Operational Transparency	15.9	14	+1.9	225

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)	13%	10%	+3
MCP server (first-party)	19%	13%	+6
Agent Skills	0%	0%	0
OAuth scopes	18%	11%	+7
Security	100%	97%	+3
Arazzo workflows	3%	2%	+1
Governance rules	27%	14%	+13

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 Polygon 68.3
2 Cledara 65.2
3 Tink 65.2
4 Cracked API 64
5 Barclays 62
6 StockData 60.6
7 We > Ultrarich 59.9
8 Genome 57.5
9 FlowAccount 57.2
10 ReefAPI 56.9

Work with this as data

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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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As a scored cohort

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

The distribution (Pro)

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

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Finance

Providers using this tag (237)

APIs with this tag (136)