Apify vs Quandl

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms381823
P95 · ms7653525
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Apify vs Quandl: common questions

Which is more reliable, Apify or Quandl?

Both are neck-and-neck — Apify and Quandl 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, Apify or Quandl?

Apify has the lower median latency in our checks — Apify responds in 381 ms versus Quandl at 823 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 Apify and Quandl need an API key?

Quandl needs no key, while Apify requires a free API key. If you want to start calling without signup, reach for Quandl first.

Can I call Apify and Quandl from the browser?

Neither sends browser-friendly CORS headers reliably, so call Apify and Quandl from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Apify and Quandl free for commercial use?

Apify has unclear commercial terms, and Quandl 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.