Exchange Rates API vs MetalpriceAPI
Same instrument, two spec sheets — measured, not claimed.
Exchange Rates API vs MetalpriceAPI: common questions
Which is more reliable, Exchange Rates API or MetalpriceAPI?
On our scheduled checks, Exchange Rates API leads on measured uptime — Exchange Rates API at 100% versus MetalpriceAPI at 98.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Exchange Rates API or MetalpriceAPI?
MetalpriceAPI has the lower median latency in our checks — Exchange Rates API responds in 810 ms versus MetalpriceAPI at 208 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Exchange Rates API and MetalpriceAPI need an API key?
Exchange Rates API needs no key, while MetalpriceAPI requires a free API key. If you want to start calling without signup, reach for Exchange Rates API first.
Can I call Exchange Rates API and MetalpriceAPI from the browser?
Yes — both Exchange Rates API and MetalpriceAPI 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 Exchange Rates API and MetalpriceAPI free for commercial use?
Exchange Rates API has unclear commercial terms, and MetalpriceAPI 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.