Financial Data vs TaxID
Same instrument, two spec sheets — measured, not claimed.
Financial Data vs TaxID: common questions
Which is more reliable, Financial Data or TaxID?
On our scheduled checks, TaxID leads on measured uptime — Financial Data at —% versus TaxID at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Financial Data and TaxID need an API key?
Both ask you to authenticate — Financial Data uses an API key and TaxID uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Financial Data and TaxID from the browser?
Neither sends browser-friendly CORS headers reliably, so call Financial Data and TaxID from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Financial Data and TaxID free for commercial use?
Financial Data has unclear commercial terms, and TaxID has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.