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Alpaca Data API 2.0
A comprehensive market data API providing unlimited access to real-time US stock market information
verified Jul 16, 2026 · HTTP 200
CohortClass of 2026What it is
A comprehensive market data API providing unlimited access to real-time US stock market information. Designed for developers and fintech platforms, it integrates seamlessly with the Alpaca trading ecosystem to enable data-driven investment applications.
HTTP liveness
22 probes since May 23May 23Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 23, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
492/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.89
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y