AutoChangelog vs serpstack
Same instrument, two spec sheets — measured, not claimed.
AutoChangelog vs serpstack: common questions
Which is more reliable, AutoChangelog or serpstack?
On our scheduled checks, serpstack leads on measured uptime — AutoChangelog at —% versus serpstack at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do AutoChangelog and serpstack need an API key?
Both ask you to authenticate — AutoChangelog 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 AutoChangelog and serpstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call AutoChangelog and serpstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are AutoChangelog and serpstack free for commercial use?
AutoChangelog 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.