XOOMAR API alternatives

US market data from SEC, FINRA, CFTC and the Fed: filings, insiders, earnings dates, short interest. If it doesn't fit your project, here are the 10 best free Finance APIs to use instead in 2026, out of 95 in the directory.

For reference, XOOMAR API: No API key needed · Callable from the browser (CORS) · HTTPS.

1. 1

   Econdb API

   Online · 802 ms

   Download economic and shipping data using Python.

   • No API key needed
   • Returns JSON at its URL
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
2. 2

   Helium API

   Online · 377 ms

   News with media bias scoring, balanced news synthesis, live market data, AI options pricing.

   • No API key needed
   • Fast: 377 ms response
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
3. 3

   Banking Access Index API

   Online · 840 ms

   Which US business banking providers accept founders by country of residence, with sources.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
4. 4

   Brainy Prices API

   Online · 520 ms

   UAE living costs: KHDA fees, DLD rents, fuel, utilities, telecom and relocation, with dated sources.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
5. 5

   CardBinCheck API

   Online · 822 ms

   Card BIN/IIN lookup: network, issuer, country and card type for the first 6-8 digits.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
6. 6

   contix API

   Online · 746 ms

   Spain: IBAN validation with bank and BIC, EU VAT number check (VIES), Modelo 303 VAT sums.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
7. 7

   EstimateTax API

   Online · 873 ms

   US federal, state and local income tax calculation for 2026, with the source of every figure.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
8. 8

   Finance Clearly Tax Rates API

   Online · 872 ms

   Current UK and US tax rates, allowances and thresholds.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
9. 9

   FloorGuard API

   Online · 706 ms

   Sourced prop firm daily-loss and max-drawdown rules, plus a drawdown-room check.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
10. 10

    Futures Clock API

    Online · 578 ms

    Trading hours and session windows for 65 futures products on 16 global exchanges.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS

    No authHTTPSCORS

XOOMAR API vs alternatives

XOOMAR API compared with its alternatives

API	API key	HTTPS	CORS	Uptime	Response	Rating
XOOMAR	No	Yes	Yes	Up	923 ms	Not rated
Econdb	No	Yes	Yes	Up	802 ms	Not rated
Helium	No	Yes	Yes	Up	377 ms	Not rated
Banking Access Index	No	Yes	Yes	Up	840 ms	Not rated
Brainy Prices	No	Yes	Yes	Up	520 ms	Not rated
CardBinCheck	No	Yes	Yes	Up	822 ms	Not rated
contix	No	Yes	Yes	Up	746 ms	Not rated
EstimateTax	No	Yes	Yes	Up	873 ms	Not rated
Finance Clearly Tax Rates	No	Yes	Yes	Up	872 ms	Not rated

See also: best Finance APIs · all Finance APIs