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The Y Combinator Database
The definitive database of YC companies with all the metrics — a database of 1317 companies who went throught the Y Combinator accelerator program between 2005 and 2017 and a whole bunch of metrics about them [News, Analytics, Education]
verified Jul 13, 2026 · HTTP 200
CohortClass of 2017What it is
The definitive database of YC companies with all the metrics — a database of 1317 companies who went throught the Y Combinator accelerator program between 2005 and 2017 and a whole bunch of metrics about them [News, Analytics, Education]
HTTP liveness
12 probes since Jun 12Jun 12Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 12, 2026First probe — liveAlive · 200 OK
Moat
Data moat
moderate
Database of YC companies with metrics
moderate · 0.80 confidence
Text classification · Jun 2026
Discussion 0 comments
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Pulse Indexobserved activity
12 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y