
Instant VAT number and tax validation across the globe.
Tax Data API is a free Finance API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Instant VAT number and tax validation across the globe.
Details from apilayer.com.

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Holdings of every US ETF, which ETFs hold a stock, and overlap between funds, each dated
The Tax Data API is provided by APILayer (apilayer.com). Instant VAT number and tax validation across the globe.
Yes. The Tax Data API is listed in the Finance category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Tax Data API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Tax Data API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Tax Data API is served over HTTPS, so it's safe to use in production.