VATlayer vs WakaTime
Same instrument, two spec sheets — measured, not claimed.
VATlayer vs WakaTime: common questions
Which is more reliable, VATlayer or WakaTime?
Both are neck-and-neck — VATlayer and WakaTime each measure 100% 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, VATlayer or WakaTime?
VATlayer has the lower median latency in our checks — VATlayer responds in 473 ms versus WakaTime at 969 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 VATlayer and WakaTime need an API key?
WakaTime needs no key, while VATlayer requires a free API key. If you want to start calling without signup, reach for WakaTime first.
Can I call VATlayer and WakaTime from the browser?
Neither sends browser-friendly CORS headers reliably, so call VATlayer and WakaTime from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are VATlayer and WakaTime free for commercial use?
VATlayer has unclear commercial terms, and WakaTime 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.