Micro User Service vs Quandl

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

Uptime · 30d
Uptime · 90d18.6%100%
Uptime · 30d0.0%100%
P50 · ms231823
P95 · ms8273525
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Micro User Service vs Quandl: common questions

Which is more reliable, Micro User Service or Quandl?

On our scheduled checks, Quandl leads on measured uptime — Micro User Service at 18.6% versus Quandl 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, Micro User Service or Quandl?

Micro User Service has the lower median latency in our checks — Micro User Service responds in 231 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 Micro User Service and Quandl need an API key?

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

Can I call Micro User Service and Quandl from the browser?

Neither sends browser-friendly CORS headers reliably, so call Micro User Service 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 Micro User Service and Quandl free for commercial use?

Micro User Service 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.