Frankfurter vs MetalpriceAPI
Same instrument, two spec sheets — measured, not claimed.
Frankfurter vs MetalpriceAPI: common questions
Which is more reliable, Frankfurter or MetalpriceAPI?
On our scheduled checks, MetalpriceAPI leads on measured uptime — Frankfurter at 88.2% 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, Frankfurter or MetalpriceAPI?
MetalpriceAPI has the lower median latency in our checks — Frankfurter responds in 370 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 Frankfurter and MetalpriceAPI need an API key?
Frankfurter needs no key, while MetalpriceAPI requires a free API key. If you want to start calling without signup, reach for Frankfurter first.
Can I call Frankfurter and MetalpriceAPI from the browser?
Yes — both Frankfurter 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 Frankfurter and MetalpriceAPI free for commercial use?
Frankfurter allows commercial use on its free tier, 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.