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GuideStar APIs
The most extensive charity information available
verified Jul 13, 2026 · HTTP 200
CohortClass of 2018What it is
The most extensive charity information available. — The most extensive charity and nonprofit information available. Seamlessly incorporate the power of GuideStar into your website and applications. [API, Charity & Giving]
HTTP liveness
23 probes since May 25May 25Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 24, 2026Back onlineAlive · 200 OK
- Jun 22, 2026Probe inconclusiveTimeout
- Jun 16, 2026Back onlineAlive · 200 OK
- Jun 15, 2026Probe inconclusiveTimeout
- Jun 12, 2026Back onlineAlive · 200 OK
- Jun 11, 2026Probe inconclusiveTimeout
- Jun 5, 2026Back onlineAlive · 200 OK
- Jun 3, 2026Probe inconclusiveTimeout
- May 25, 2026First probe — liveAlive · 200 OK
Moat
Data moat
moderate
Extensive charity and nonprofit information
moderate · 0.80 confidence
Text classification · Jun 2026
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Pulse Indexobserved activity
462/4 signal families
Liveness40%0.94
Press30%no data
GitHub20%no data
Tranco10%0.88
Weighted observed activity · updated Jul 13
Cohort survival · Class of 2018weekly
2,435 products launched in 2018 · 100% still active
2,425 active10 sunset
Still active
100%
Median lifespan
4.9y