Datamuse vs Voidly
Same instrument, two spec sheets — measured, not claimed.
Datamuse vs Voidly: common questions
Which is more reliable, Datamuse or Voidly?
On our scheduled checks, Voidly leads on measured uptime — Datamuse at 92.2% versus Voidly at 100% 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, Datamuse or Voidly?
Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus Voidly at 1238 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 Datamuse and Voidly need an API key?
Neither needs a paid key — Datamuse is callable with no signup, and Voidly is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Datamuse and Voidly from the browser?
Only Voidly is browser-friendly — it returns CORS headers over HTTPS. Datamuse needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Datamuse and Voidly free for commercial use?
Datamuse has unclear commercial terms, and Voidly allows commercial use on its free tier. 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.