Micro User Service vs RestoSignals

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

Uptime · 30d
Uptime · 90d37.2%100%
Uptime · 30d63.3%100%
P50 · ms126748
P95 · ms758748
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — key may be required
Rate limitUnpublished
In directory since2026-07-052026-10-19
operationalpartialdownno data

Micro User Service vs RestoSignals: common questions

Which is more reliable, Micro User Service or RestoSignals?

On our scheduled checks, RestoSignals leads on measured uptime — Micro User Service at 37.2% versus RestoSignals 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 RestoSignals?

Micro User Service has the lower median latency in our checks — Micro User Service responds in 126 ms versus RestoSignals at 748 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 RestoSignals need an API key?

Both ask you to authenticate — Micro User Service uses an API key and RestoSignals 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 Micro User Service and RestoSignals from the browser?

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

Micro User Service has unclear commercial terms, and RestoSignals 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.