ddownload vs OnSched Consumer API
Same instrument, two spec sheets — measured, not claimed.
ddownload vs OnSched Consumer API: common questions
Which is more reliable, ddownload or OnSched Consumer API?
Both are neck-and-neck — ddownload and OnSched Consumer API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, ddownload or OnSched Consumer API?
ddownload has the lower median latency in our checks — ddownload responds in 365 ms versus OnSched Consumer API at 722 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 ddownload and OnSched Consumer API need an API key?
Both ask you to authenticate — ddownload uses an API key and OnSched Consumer API 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 ddownload and OnSched Consumer API from the browser?
Only OnSched Consumer API is browser-friendly — it returns CORS headers over HTTPS. ddownload needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ddownload and OnSched Consumer API free for commercial use?
ddownload has unclear commercial terms, and OnSched Consumer 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.