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SendViper
SendViper is an email marketing solution designed with marketers' workflows in mind
last checked Jul 12, 2026 · Unknown
CohortClass of 2016What it is
SendViper is an email marketing solution designed with marketers' workflows in mind. It provides managed email campaign tools tailored to help marketing teams execute, optimize, and scale their email strategies efficiently.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedUnknown
Moat
None apparent
weak · 0.50 confidence
Text classification · Jul 2026
Discussion 0 comments
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y