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Html2PDF vs httpSMS

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

APIHtml2PDFDEAD0httpSMSDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Html2PDF vs httpSMS: common questions

Which is more reliable, Html2PDF or httpSMS?

Both are neck-and-neck — Html2PDF and httpSMS each measure 0.0% 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.

Do Html2PDF and httpSMS need an API key?

Both ask you to authenticate — Html2PDF 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 Html2PDF and httpSMS from the browser?

Yes — both Html2PDF and httpSMS 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 Html2PDF and httpSMS free for commercial use?

Html2PDF 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.