Coinnect vs Marketstack
Same instrument, two spec sheets — measured, not claimed.
Coinnect vs Marketstack: common questions
Which is more reliable, Coinnect or Marketstack?
On our scheduled checks, Marketstack leads on measured uptime — Coinnect at 98.0% versus Marketstack 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.
Which is faster, Coinnect or Marketstack?
Marketstack has the lower median latency in our checks — Coinnect responds in 1419 ms versus Marketstack at 470 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 Coinnect and Marketstack need an API key?
Both ask you to authenticate — Coinnect uses an API key and Marketstack 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 Coinnect and Marketstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call Coinnect and Marketstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Coinnect and Marketstack free for commercial use?
Coinnect has unclear commercial terms, and Marketstack 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.