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GitHub REST API vs serpstack

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

APIGitHub REST APIHEALTHY94serpstackHEALTHY96
Uptime · 30d
Uptime · 90d99.44%99.44%
Uptime · 30d100%100%
P50 · ms349288
P95 · ms26711188
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub REST API vs serpstack: common questions

Which is more reliable, GitHub REST API or serpstack?

Both are neck-and-neck — GitHub REST API and serpstack each measure 99.44% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, GitHub REST API or serpstack?

serpstack has the lower median latency in our checks — GitHub REST API responds in 349 ms versus serpstack at 288 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 GitHub REST API and serpstack need an API key?

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

Can I call GitHub REST API and serpstack from the browser?

Only GitHub REST API 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 GitHub REST API and serpstack free for commercial use?

GitHub REST API 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.