Finance APIs — page 3
196 finance APIs for stocks, banking, tax and market data, best documented first.
Billplz
FinanceFind answers about your Billplz account, payments, and payouts. Search help articles or follow the Billplz Guide to get started.
Assess API
FinanceCodat's Assess API enable you to make smarter credit decisions on your small business customers. Assess enriches your customer's accounting, commerce and banking data to surface actionable insights you didn't have before. [Read more...](https://www.codat.io/assess/) [See our OpenAPI spec](https://github.com/codatio/oas)
Bank Data
FinanceInstant IBAN and SWIFT number validation across the globe
Econdb
FinanceGlobal macroeconomic data
EstimateTax
FinanceUS federal, state and local income tax calculation for 2026, with the source of every figure
Indian Mutual Fund
FinanceGet complete history of India Mutual Funds Data
LiquiLens
FinancePublic-record bank and lender failure-risk evidence
Seiche
FinanceFree public funding, FX and capital-market evidence with source clocks
Undertow
FinancePublic market-depth and sized exit estimates, not executable quotes
WallstreetBets
FinanceWallstreetBets Stock Comments Sentiment Analysis
XOOMAR
FinanceUS market data from SEC, FINRA, CFTC and the Fed: filings, insiders, earnings dates, short interest
Endpoints
FinanceWe find smart money traders with proven edge and shortlist standout vault strategies. See their track records and why they made the cut.
Billingo API v3
FinanceThis is a Billingo API v3 documentation. Our API based on REST software architectural style. API has resource-oriented URLs, accepts JSON-encoded request bodies and returns JSON-encoded responses. To use this API you have to generate a new API key on our [site](https://app.billingo.hu/api-key). After that, you can test your API key on this page.
Xero Payroll AU API
FinanceThis is the Xero Payroll API for orgs in Australia region.
nFusion Solutions Market Data API
Finance[nFusion Solutions](https://nfusionsolutions.com) provides [REST APIs](https://nfusionsolutions.com/data-feeds/) that deliver enterprise-grade financial data. Data sets include real-time and historical pricing for Spot prices of precious metals such as Gold, Silver, Platinum, and Palladium, exchange rates for major currency pairs, exchange rates for Crypto Currencies such as BTC, ETH, and LTC. All API access requires authentication. In order to be issued access credentials you must first enter into a service agreement with nFusion Solutions and acquire a commercial license. For information on how to obtain a licence [take a tour of our products](https://nfusionsolutions.com/nfusion-solutions-metals-gold-price-feed-tour/) or email [email protected].
Front Accounting APIs
FinanceFront accounting is multilingual and multicurrency software for small businesses
Aletheia
FinanceInsider trading data, earnings call analysis, financial statements, and more
Boleto.Cloud
FinanceA api to generate boletos in Brazil
Drillr
FinanceFundamentals, filings, earnings, ownership and events for US, China and Japan equities
Finage
FinanceFinage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider
IBANforge
FinanceIBAN validation and BIC/SWIFT lookup for 89 countries with 121k+ BIC entries
Mono
FinanceConnect with users’ bank accounts and access transaction data in Africa
Real Time Finance
FinanceWebsocket API to access realtime stock data
StockData
FinanceReal-Time, Intraday & Historical Market Data, News and Sentiment API