ShortStack
ShortStack uses 25 subprocessors and infrastructure vendors, including AWS, Google Cloud and Anthropic, based on its public subprocessor list. Last checked Nov 14, 2026.
Infrastructure
Cloud & Networking
AWSCloud infrastructure hosting the ShortStack platform. Holds the database, entrant-uploaded files, analytics events, the search index and exports.
Bot protection on published campaign pages, enabled or disabled by the customer. Receives the visitors IP address, browser characteristics and the site key in order to distinguish a person from an automated request.
Bot scoring on form submissions, Instant Win qualification and voting. Off by default — the customer enables it using their own Google account.
Hosting for the ShortStack marketing website.
Compliance & Security
Communications
Demo and enterprise meeting booking. Receives prospect names, email addresses and meeting details.
Entry delivery to a customers own Klaviyo account where the customer connects it. Email address, profile fields, location and custom properties.
Real-time messaging used to notify browsers when asset processing completes — video transcoding, PDF thumbnails, embedded media updates — and to signal content refreshes. Carries notifications rather than campaign content.
Email delivery for campaign autoresponders and broadcast emails. Only applies to customers using ShortStacks email marketing features.
Internal billing and error alerting, which can include account-holder email addresses.
Entry delivery to a customers own Mailchimp audience where the customer enables the integration. Email address, opt-in status, tags and mapped merge fields.
Billing & Payments
Analytics & BI
Product analytics — which actions customers take within the platform.
Privacy-focused marketing-website analytics. Sets no cookies.
Support desk. Holds support conversations and tickets, which contain information about a customers entrants only where the customer includes it in a support request.
CRM & Support
Developer Platform
Content management for the marketing website. Holds ShortStack staff account details.
Converts entrant-uploaded PDF files into preview thumbnails. Runs automatically on any PDF submitted through a campaign.
Internal alerting for first-publish, subscription and fraud events, carrying account identifier, email address, name and company.
Professional Network
Model labs reached through vendors 4
ShortStack does not list these model providers. Vendors on its list name them on their own subprocessor lists.
- OpenAIthroughCloudflare,Slack,HubSpot,Zendesk,PostHog,Verceland 6 more
- SpaceXAIthroughCloudflare,Vercel
- Google (Gemini)throughMixpanel
- MistralthroughZendesk
Changes
Checked Nov 14, 2026Source
This is the first saved copy of ShortStack’s subprocessor list. Added and removed vendors will show here after the next check.
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