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EmailRep vs Jumpseller API

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

APIEmailRepHEALTHY97Jumpseller APIHEALTHY89
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms277790
P95 · ms7511780
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

EmailRep vs Jumpseller API: common questions

Which is more reliable, EmailRep or Jumpseller API?

On our scheduled checks, EmailRep leads on measured uptime — EmailRep at 100% versus Jumpseller API at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, EmailRep or Jumpseller API?

EmailRep has the lower median latency in our checks — EmailRep responds in 277 ms versus Jumpseller API at 790 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 EmailRep and Jumpseller API need an API key?

Neither needs a paid key — EmailRep is callable with no signup, and Jumpseller API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call EmailRep and Jumpseller API from the browser?

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

Are EmailRep and Jumpseller API free for commercial use?

EmailRep has unclear commercial terms, and Jumpseller API 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.