# ProsperStack ProsperStack declares [3 subprocessors](https://thirdpartyindex.com/vendors/prosperstack#subprocessors) in [its subprocessor list](https://prosperstack.com/sub-processors/), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/205966)). They are [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Sentry](https://thirdpartyindex.com/vendors/sentry) and [Postmark](https://thirdpartyindex.com/vendors/postmark). No published changes since we first read it on 2026-09-23. [2 tracked vendors](https://thirdpartyindex.com/vendors/prosperstack#used-by) name ProsperStack as a subprocessor, including [Lucky Orange](https://thirdpartyindex.com/vendors/lucky-orange) and [Spark Hire](https://thirdpartyindex.com/vendors/spark-hire). ProsperStack (prosperstack.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/prosperstack - Documents last verified: 2026-11-11 - Transparency rating: 76/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); Security page 0/5 (not found); Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 3 tracked vendors directly, 14 within two hops, 116 within three; 2 tracked vendors rely on it directly, 3 within two hops, 4 within three - Cite as: ProsperStack, Third Party Index, https://thirdpartyindex.com/vendors/prosperstack (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Subprocessor list | https://prosperstack.com/sub-processors/ | 2026-11-11 | 2026-11-03 | | Data processing addendum | https://prosperstack.com/dpa/ | 2026-11-11 | 2026-11-03 | | Privacy policy | https://prosperstack.com/privacy-policy/ | 2026-11-11 | 2026-11-03 | | Terms | https://prosperstack.com/terms-of-service/ | 2026-11-11 | 2026-11-03 | | Status page | https://status.prosperstack.com/ | 2026-11-11 | 2026-10-24 | ## Subprocessors (3) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Application hosting | United States | 2026-09-23 | | [Postmark](https://thirdpartyindex.com/vendors/postmark.md) | Transactional email | United States | 2026-09-23 | | [Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Error tracking | United States | 2026-09-23 | Read from ([evidence](https://thirdpartyindex.com/evidence/7494)). CSV: https://thirdpartyindex.com/vendors/prosperstack/subprocessors.csv ## Web Technologies ProsperStack's homepage made 80 requests to 26 domains, and 11 services controlled by another company. Loaded on 2026-11-10 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data. 11 third parties by category: Analytics 3 (Crazy Egg, LinkedIn, Meta); Marketing automation 3 (HubSpot, Clearbit; usually detected as Marketing automation: Adobe); Advertising 2 (Google Cloud, X Corp.); Security 2 (ClickCease™; usually detected as Security: Amazon Web Services); Font scripts 1 (reviewed: Indian Type Foundry). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these. ### Third parties (11) - Google Cloud: 21 requests to google.com, gstatic.com, googletagmanager.com, doubleclick.net, fonts.googleapis.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager - HubSpot: 10 requests to hubspot.com, hs-scripts.com, hs-analytics.net, hs-banner.com, hsadspixel.net, hubapi.com, usemessages.com; HubSpot - Crazy Egg: 4 requests to crazyegg.com; Crazy Egg - LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag - Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.439 - X Corp.: 3 requests to ads-twitter.com, t.co, twitter.com; Twitter Ads - Adobe: 2 requests to typekit.net - Amazon Web Services: 1 request to s3-us-west-2.amazonaws.com (its subprocessor list names it too) - Clearbit: 1 request to clearbitscripts.com; Clearbit - ClickCease™: 1 request to clickcease.com; ClickCease - Indian Type Foundry: 1 request to fontshare.com ### First party (1) - ProsperStack: 30 requests to prosperstack.com; Adobe Fonts, Font Awesome, Gatsby 5.11.0, Google Font API, HSTS, HubSpot Chat, Open Graph, PWA, Priority Hints, React, Typekit, Vercel, Webpack, core-js 3.31.0, styled-components 5.3.5 7 tracked companies loaded by the homepage are not in ProsperStack's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (2) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Lucky Orange](https://thirdpartyindex.com/vendors/lucky-orange.md): Customer Retention - [Spark Hire](https://thirdpartyindex.com/vendors/spark-hire.md) ## Service status Incidents it reported on its own status page. - Last 43 days: 0 reported incidents (0 major or critical, 0 minor, 0 with no impact stated) - Status page last read: 2026-11-12 - No incidents reported since Sep 30, 2026 ## Incidents reported by ProsperStack's subprocessors Incidents reported in the last 30 days on their own status pages by 2 vendors ProsperStack lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported US issues feed throwing intermittent errors (minor) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Account emails not being delivered (major) - 2026-11-10: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported EU region replay ingestion latency (minor) - 2026-11-05: [Postmark](https://thirdpartyindex.com/vendors/postmark#status), which ProsperStack lists as a subprocessor, reported Delays in activity data (no impact stated) - 2026-11-04: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Ingestion delays across all data (minor) - 2026-11-04: [Postmark](https://thirdpartyindex.com/vendors/postmark#status), which ProsperStack lists as a subprocessor, reported Delays processing Inbound messages (no impact stated) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Delays in spans and transactions processing (major) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Sentry.io dashboard and API is down (critical) - 2026-11-02: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Sentry dashboard is down (critical) - 2026-10-27: [Postmark](https://thirdpartyindex.com/vendors/postmark#status), which ProsperStack lists as a subprocessor, reported SMS codes for two-factor authentication may not arrive (no impact stated) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Increased latency processing integration webhooks (minor) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Sentry.io not loading in US region (critical) - 2026-10-20: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Sentry.io not loading (major) - 2026-10-19: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Sentry is down (critical) - 2026-10-14: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which ProsperStack lists as a subprocessor, reported Ingestion Halted for EAP data in EU (major) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/prosperstack --- Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api