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ReSmush.it vs YouTube Transcript Search API by Arcmira

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

APIReSmush.itHEALTHY92YouTube Transcript Search API by ArcmiraREACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms3702109
P95 · ms29013179
AuthnoneapiKey
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseN/A — optimization service, not a dataset
Free tierFree; per-image size cap applies (see docs)
Rate limitUnpublished
In directory since2026-07-052026-10-12
operationalpartialdownno data

ReSmush.it vs YouTube Transcript Search API by Arcmira: common questions

Which is more reliable, ReSmush.it or YouTube Transcript Search API by Arcmira?

Both are neck-and-neck — ReSmush.it and YouTube Transcript Search API by Arcmira 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, ReSmush.it or YouTube Transcript Search API by Arcmira?

ReSmush.it has the lower median latency in our checks — ReSmush.it responds in 370 ms versus YouTube Transcript Search API by Arcmira at 2109 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 ReSmush.it and YouTube Transcript Search API by Arcmira need an API key?

ReSmush.it needs no key, while YouTube Transcript Search API by Arcmira requires a free API key. If you want to start calling without signup, reach for ReSmush.it first.

Can I call ReSmush.it and YouTube Transcript Search API by Arcmira from the browser?

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

Are ReSmush.it and YouTube Transcript Search API by Arcmira free for commercial use?

ReSmush.it has unclear commercial terms, and YouTube Transcript Search API by Arcmira 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.