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NewsData.io News API vs Userstack

Same instrument, two spec sheets — measured, not claimed.

APINewsData.io News APIREACHABLE100UserstackHEALTHY96
Uptime · 30d
Uptime · 90d100%99.44%
Uptime · 30d100%100%
P50 · ms238266
P95 · ms6353029
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — API key required
Rate limitUnpublished
In directory since2026-09-212026-07-05
operationalpartialdownno data

NewsData.io News API vs Userstack: common questions

Which is more reliable, NewsData.io News API or Userstack?

On our scheduled checks, NewsData.io News API leads on measured uptime — NewsData.io News API at 100% versus Userstack at 99.44% 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, NewsData.io News API or Userstack?

NewsData.io News API has the lower median latency in our checks — NewsData.io News API responds in 238 ms versus Userstack at 266 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 NewsData.io News API and Userstack need an API key?

Both ask you to authenticate — NewsData.io News API uses an API key and Userstack 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 NewsData.io News API and Userstack from the browser?

Only Userstack is browser-friendly — it returns CORS headers over HTTPS. NewsData.io News API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are NewsData.io News API and Userstack free for commercial use?

NewsData.io News API has unclear commercial terms, and Userstack 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.