Exchange Rates API vs VATComply
Same instrument, two spec sheets — measured, not claimed.
Exchange Rates API vs VATComply: common questions
Which is more reliable, Exchange Rates API or VATComply?
On our scheduled checks, VATComply leads on measured uptime — Exchange Rates API at —% versus VATComply 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 Exchange Rates API and VATComply need an API key?
Neither needs a paid key — Exchange Rates API is callable with no signup, and VATComply is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Exchange Rates API and VATComply from the browser?
Only VATComply is browser-friendly — it returns CORS headers over HTTPS. Exchange Rates API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Exchange Rates API and VATComply free for commercial use?
Exchange Rates API has unclear commercial terms, and VATComply 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.