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ListLoco API vs Sheetsu

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

APIListLoco APIHEALTHY100SheetsuHEALTHY92
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms127572
P95 · ms4431259
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublished90 req/window · 89 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

ListLoco API vs Sheetsu: common questions

Which is more reliable, ListLoco API or Sheetsu?

Both are neck-and-neck — ListLoco API and Sheetsu each measure 100% 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, ListLoco API or Sheetsu?

ListLoco API has the lower median latency in our checks — ListLoco API responds in 127 ms versus Sheetsu at 572 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 ListLoco API and Sheetsu need an API key?

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

Can I call ListLoco API and Sheetsu from the browser?

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

Are ListLoco API and Sheetsu free for commercial use?

ListLoco API has unclear commercial terms, and Sheetsu 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.