GitHub REST API vs US Autocomplete

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

Uptime · 30d
Uptime · 90d99.44%99.44%
Uptime · 30d100%100%
P50 · ms349460
P95 · ms26711780
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub REST API vs US Autocomplete: common questions

Which is more reliable, GitHub REST API or US Autocomplete?

Both are neck-and-neck — GitHub REST API and US Autocomplete 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 US Autocomplete?

GitHub REST API has the lower median latency in our checks — GitHub REST API responds in 349 ms versus US Autocomplete at 460 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 US Autocomplete need an API key?

GitHub REST API needs no key, while US Autocomplete 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 US Autocomplete from the browser?

Yes — both GitHub REST API and US Autocomplete 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 GitHub REST API and US Autocomplete free for commercial use?

GitHub REST API has unclear commercial terms, and US Autocomplete 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.