CoinDesk BPI vs Exchange Rates API
Same instrument, two spec sheets — measured, not claimed.
CoinDesk BPI vs Exchange Rates API: common questions
Which is more reliable, CoinDesk BPI or Exchange Rates API?
On our scheduled checks, Exchange Rates API leads on measured uptime — CoinDesk BPI at —% versus Exchange Rates API at 100% 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 CoinDesk BPI and Exchange Rates API need an API key?
Neither needs a paid key — CoinDesk BPI is callable with no signup, and Exchange Rates API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call CoinDesk BPI and Exchange Rates API from the browser?
Yes — both CoinDesk BPI and Exchange Rates API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are CoinDesk BPI and Exchange Rates API free for commercial use?
CoinDesk BPI is personal/non-commercial only, and Exchange Rates API 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.