Gladia vs The Guardian
Same instrument, two spec sheets — measured, not claimed.
Gladia vs The Guardian: common questions
Which is more reliable, Gladia or The Guardian?
On our scheduled checks, Gladia leads on measured uptime — Gladia at 100% versus The Guardian at 98.0% 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, Gladia or The Guardian?
The Guardian has the lower median latency in our checks — Gladia responds in 1203 ms versus The Guardian at 742 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 Gladia and The Guardian need an API key?
Both ask you to authenticate — Gladia uses an API key and The Guardian 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 Gladia and The Guardian from the browser?
Yes — both Gladia and The Guardian send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Gladia and The Guardian free for commercial use?
Gladia has unclear commercial terms, and The Guardian 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.