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CloudConvert vs httpSMS

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

APICloudConvertNEW—httpSMSNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CloudConvert vs httpSMS: common questions

Which is more reliable, CloudConvert or httpSMS?

On our scheduled checks, httpSMS leads on measured uptime — CloudConvert at —% versus httpSMS at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do CloudConvert and httpSMS need an API key?

Both ask you to authenticate — CloudConvert uses an API key and httpSMS uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call CloudConvert and httpSMS from the browser?

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

Are CloudConvert and httpSMS free for commercial use?

CloudConvert has unclear commercial terms, and httpSMS 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.