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Finance APIs — page 5

196 finance APIs for stocks, banking, tax and market data, best documented first.

BriefTape

Finance

Real-time AI-summarized SEC filings, Fed, FDA and BLS data, ticker-tagged

API keyCORS

CongressInvests

Finance

Real-time U.S. congressional stock trade disclosures from Senate EFD and House Clerk

API keyCORS

EconPulse

Finance

Live economic data — CPI, PPI, energy, treasury rates, BTC premium

API keyCORS

FarmDash

Finance

DeFi intelligence, protocol risk, yield simulation plus 84 MCP agent tools, free Scout tier

API keyCORS

Filingrail

Finance

SEC EDGAR filings, XBRL financials, Form 4 insider trades, 8-K events and 13F holdings

API key

FinBridge

Finance

Official-source financials, segments, valuation, peers and prices for KR, US, JP, TW companies

API keyCORS

FXNewsBias

Finance

AI-scored news sentiment for the 8 major forex currencies, refreshed every 3 hours

API keyCORS

Halal Terminal

Finance

Shariah-compliant stock and ETF screening across 5 methodologies, zakat and purification

API keyCORS

Hotstoks

Finance

Stock market data powered by SQL

API keyCORS

Live SEC Form 4 Insider Trades

Finance

Latest SEC Form 4 insider trading filings from EDGAR, by ticker or market-wide

API key

matchwire.win

Finance

Matched prediction-market games across Kalshi, Polymarket US/Intl and Predict.fun

API key

NORTH7 Agent

Finance

Trading signals, market analysis and geopolitical intelligence

API keyCORS

Pink Agentic AI Payments

Finance

Approval layer for AI agent payments: per-agent budgets, rules, single-use credentials, sandbox

API keyCORS

Sales Tax Calculator

Finance

Computes exact sales tax amounts and breakdowns for checkout and billing

API keyCORS

Segmara

Finance

IPO calendars, filing stages and estimated lockup dates

User-Agent headerCORS

StockFit

Finance

SEC filings, financial statements, earnings, ETF holdings and ownership data

API keyCORS

TickerLayer

Finance

Real-time and historical market data for stocks, forex, crypto and more

API key

XFINLAB

Finance

Market events, sentiment, technical analysis and macro data for stocks

API key

KYC API Documentation

Finance

API Interface to retrieve company data and products from business registers

API key54 endpoints

Advicent.FactFinderService

Finance

An API for accessing the NaviPlan Fact Finder.

No auth151 endpoints

Afterbanks API

Finance

La estandarización de la conexión con cualquier banco en tiempo real.

No auth3 endpoints

BIN Lookup API

Finance

BIN lookup API, the free api service from bintable.com to lookup card information using it's BIN. the service maintains updated database based on the comunity and other third party services to make sure all BINs in the database are accurate and up to date.

No auth2 endpoints

Chaingateway.io

Finance

# Chaingateway.io REST API to build the bridge between Ethereum and the real world Please check out our [website](https://chaingateway.io?utm_source=postman) for detailed information about this API. To use our API, you need an API Key (Described as Authorization header in the examples below). To get one, please create an account on our [website](https://chaingateway.io/register?utm_source=postman). For our internal documentation, please check out our [Docs Site](https://chaingateway.io/docs?utm_source=postman). If you need help with integrating our API in your application, you can reach us via [email](mailto:[email protected]) or join our official [Telegram](https://t.me/chaingateway) group.

No auth21 endpoints

Ntropy Transaction API v1

Finance

Ntropy Transaction API for transaction classification & management Contact Support: Name: API Support Email: [email protected]

No auth2 endpoints

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