serpstack vs What The Commit
Same instrument, two spec sheets — measured, not claimed.
serpstack vs What The Commit: common questions
Which is more reliable, serpstack or What The Commit?
Both are neck-and-neck — serpstack and What The Commit 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, serpstack or What The Commit?
serpstack has the lower median latency in our checks — serpstack responds in 492 ms versus What The Commit at 1312 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 serpstack and What The Commit need an API key?
What The Commit needs no key, while serpstack requires a free API key. If you want to start calling without signup, reach for What The Commit first.
Can I call serpstack and What The Commit from the browser?
Neither sends browser-friendly CORS headers reliably, so call serpstack and What The Commit from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are serpstack and What The Commit free for commercial use?
serpstack has unclear commercial terms, and What The Commit 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.