Observed arrival · 2026-09-28
Third Party Index tracks SaaS vendor disclosures
A searchable reference to SaaS vendors’ subprocessor lists, data processing agreements, privacy policies, and security contacts.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- SaaS security, privacy, and procurement teams
- Worth noticing
- It reports 1,591 vendors and 13,457 subprocessor listings, with dated additions and removals; the data is CC BY 4.0 with attribution.
Field notes
The homepage's change feed records dated additions and removals, including vendor-specific entries for ilert and Stripe. It also ranks commonly listed subprocessors—AWS appears 546 times, OpenAI 307—and groups SaaS vendors by federal department, such as the Department of Defense (46). The site links to an API and Atom/RSS feeds; its dataset is marked CC BY 4.0 with attribution, while vendors' original documents remain their own.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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