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ScreenshotOne.com vs serpstack

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

APIScreenshotOne.comHEALTHY95serpstackHEALTHY93
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d100%98.3%
P50 · ms340492
P95 · ms8431442
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ScreenshotOne.com vs serpstack: common questions

Which is more reliable, ScreenshotOne.com or serpstack?

Both are neck-and-neck — ScreenshotOne.com and serpstack each measure 99.02% 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, ScreenshotOne.com or serpstack?

ScreenshotOne.com has the lower median latency in our checks — ScreenshotOne.com responds in 340 ms versus serpstack at 492 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 ScreenshotOne.com and serpstack need an API key?

Both ask you to authenticate — ScreenshotOne.com uses an API key and serpstack 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 ScreenshotOne.com and serpstack from the browser?

Only ScreenshotOne.com is browser-friendly — it returns CORS headers over HTTPS. serpstack needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ScreenshotOne.com and serpstack free for commercial use?

ScreenshotOne.com has unclear commercial terms, and serpstack 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.