Markbase vs PredScope
Same instrument, two spec sheets — measured, not claimed.
Markbase vs PredScope: common questions
Which is more reliable, Markbase or PredScope?
On our scheduled checks, PredScope leads on measured uptime — Markbase at —% versus PredScope 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 Markbase and PredScope need an API key?
Neither needs a paid key — Markbase is callable with no signup, and PredScope is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Markbase and PredScope from the browser?
Yes — both Markbase and PredScope 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 Markbase and PredScope free for commercial use?
Markbase has unclear commercial terms, and PredScope 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.