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PageBolt vs Rendex

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

APIPageBoltNEW—RendexNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
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

PageBolt vs Rendex: common questions

Which is more reliable, PageBolt or Rendex?

On our scheduled checks, Rendex leads on measured uptime — PageBolt at —% versus Rendex 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 PageBolt and Rendex need an API key?

Both ask you to authenticate — PageBolt uses an API key and Rendex 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 PageBolt and Rendex from the browser?

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

Are PageBolt and Rendex free for commercial use?

PageBolt has unclear commercial terms, and Rendex 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.