Top Finance APIs on API.market

Browse our collection of high-quality Finance APIs

Sort by:
Stock market
5.0(1)

At Polygon.io, we're on a mission to modernize the financial industry. We believe that the industry runs on old technology, and we're here to change that

38•108
100 FREE API units
Insider & SEC data

Recent SEC filings by ticker or CIK as JSON, each with a 0 to 100 score so you can sort what matters.

1•1
50 FREE API units
Stock market

Stock quotes, company info and news from Yahoo Finance by ticker symbol, up to 20 tickers per request.

3•3
50 FREE API units
Financial data

57 ready-made calculators for loans, tax, health and planning, returned as clean JSON.

1•237
1K FREE API units
Financial data

Live and historical prices for gold, silver, platinum, palladium, rhodium and five base metals in 180+ currencies, plus karat prices and mining stocks.

2•43
1.5K FREE API units
Financial data

Convert between 30 currencies with European Central Bank reference rates, each answer dated and sourced. 90 days of history.

2•4
500 FREE API units
Financial data

Check an IBAN's structure, country length and MOD-97 checksum, and get its parts. Format check only, no bank lookup.

1•2
500 FREE API units
Financial data

Check EU VAT numbers against VIES with company name and address, and validate IBANs with bank name and BIC lookup.

1•4
$19/month
Financial data

English JSON for Korean DART filings: financial statements, Altman Z and Piotroski F scores, and a risk-event feed.

1•43
3K FREE API units
Financial data

Read-only data for a non-custodial USDC vault on HyperEVM: live caps, strategy split, lending rates and a daily share-price series.

1•3
$0.01 per API unit
Financial data

Daily ECB reference exchange rates for 30+ currencies with any base currency, amount conversion and rates for any of the last 90 days.

1•3
$5/month
Financial data

Validate an IBAN's checksum, length and country format, and split it into bank code, branch code and account number with a SEPA flag.

1•2
$5/month
Financial data

Calculate loan and mortgage payments, total interest and amortization schedules with down payments, extra payments and five payment frequencies.

1•2
$5/month
Financial data

Daily ECB EUR-base reference-rate histories for USD, GBP, JPY and INR, with dated CSV rows and source notices.

2•12
1K FREE API units
Financial data

Validate and convert Brazilian boletos with real FEBRABAN check-digit verification for bank slips and utility or tax bills, from a barcode or digitable line.

1•27
500 FREE API units
Financial data

DeFi and crypto wallet analytics for Solana, Ethereum and Base. Get realized PnL, wallet statistics, trade history, and discover profitable wallets and trades.

2•28
100 FREE API units
Market feeds

Real-time financial news from 80+ sources in 18+ languages, enriched with sentiment scores and entity tags. Free tier.

3•26
$29/month
Financial data

Unified market data API for US stocks, forex, crypto and commodities with real-time, historical, and fundamentals data over REST.

1•37
$299/month
Insider & SEC data

Get instant, optimized access to 71 diverse U.S. federal and financial data endpoints for AI agents, with seamless pay-per-call blockchain settlement via x402.

2•71
30 FREE API units
Financial data

Seamlessly blend real-time market news, pricing, and research signals into your workflows with high-performance SKAlpha API.

4•120
$15/month
Financial data

SEC EDGAR filing-change and watchlist intelligence API for investor, compliance, and automation workflows.

1•24
$19/month
Financial data

Score any U.S. public company's federal contract exposure. 0–100 dependency score, agency breakdown, and compliance flags from SEC EDGAR and USASpending.gov.

2•49
50 FREE API units
Financial data

VAT/GST rates, calculators, and invoice tools for 166 countries — EU OSS, Africa, thresholds, history, and locale formatting.

3•8
100 FREE API units
Loan & lending

24 endpoints for mortgage and loan calculations. Repayments, APR, DTI, stamp duty, amortisation, refinance break-even, and more. Multi-currency.

1•10
100 FREE API units
Stock market

Real-time Yahoo Finance API for quotes, charts, screeners, market movers, options, fundamentals, dividends, news, and financial data.

15•37.5K
10 FREE API units
Financial data

Estimate import duty rates, HTS/HS tariff guidance, and trade notes by product, origin, and destination.

3•0
1K FREE API units
Financial data

Official South African petrol and diesel prices with 18 years of history. Updated automatically every month from DMRE.

1•10
100 FREE API units
Insider & SEC data

Real-time SEC Form 4 insider trading alerts. Monitor insider buys and sells across all US public companies.

3•4
100 FREE API units
Financial data

Bond repayments, PAYE tax, transfer duty, vehicle finance, VAT, retirement lump sums and personal loans — all in one API for South Africa.

1•22
100 FREE API units
Loan & lending

Get smart EMI insights, personalized recommendations, and superior risk analysis with top-notch AI performance in one powerful API.

1•23
1K FREE API units
Financial data

Estimate freight cost, delivery time, and logistics notes from route, cargo size, weight, and mode.

3•0
1K FREE API units