Stytch vs The Guardian
Same instrument, two spec sheets — measured, not claimed.
Stytch vs The Guardian: common questions
Which is more reliable, Stytch or The Guardian?
On our scheduled checks, Stytch leads on measured uptime — Stytch 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, Stytch or The Guardian?
Stytch has the lower median latency in our checks — Stytch responds in 577 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 Stytch and The Guardian need an API key?
Both ask you to authenticate — Stytch 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 Stytch and The Guardian from the browser?
Only The Guardian is browser-friendly — it returns CORS headers over HTTPS. Stytch needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Stytch and The Guardian free for commercial use?
Stytch 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.