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Beeceptor vs serpstack

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

APIBeeceptorHEALTHY89serpstackHEALTHY93
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms750492
P95 · ms37151442
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree public echo host, no signupFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Beeceptor vs serpstack: common questions

Which is more reliable, Beeceptor or serpstack?

On our scheduled checks, Beeceptor leads on measured uptime — Beeceptor at 100% versus serpstack at 99.02% 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, Beeceptor or serpstack?

serpstack has the lower median latency in our checks — Beeceptor responds in 750 ms versus serpstack at 492 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 Beeceptor and serpstack need an API key?

Beeceptor needs no key, while serpstack requires a free API key. If you want to start calling without signup, reach for Beeceptor first.

Can I call Beeceptor and serpstack from the browser?

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

Are Beeceptor and serpstack free for commercial use?

Beeceptor has unclear commercial terms, and serpstack 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.