AutoChangelog vs US Autocomplete
Same instrument, two spec sheets — measured, not claimed.
AutoChangelog vs US Autocomplete: common questions
Which is more reliable, AutoChangelog or US Autocomplete?
On our scheduled checks, AutoChangelog leads on measured uptime — AutoChangelog at 100% versus US Autocomplete at 99.02% 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, AutoChangelog or US Autocomplete?
AutoChangelog has the lower median latency in our checks — AutoChangelog responds in 578 ms versus US Autocomplete at 683 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 AutoChangelog and US Autocomplete need an API key?
Both ask you to authenticate — AutoChangelog uses an API key and US Autocomplete 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 US Autocomplete from the browser?
Only US Autocomplete is browser-friendly — it returns CORS headers over HTTPS. AutoChangelog needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are AutoChangelog and US Autocomplete free for commercial use?
AutoChangelog has unclear commercial terms, and US Autocomplete 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.