Hello!

We're changing the tools behind ShortStack support, which changes our list of subprocessors. Section 5 of our Data Processing Addendum requires us to tell you before the change takes effect, so here are the details.

What's changing

Adding Anthropic, PBC (San Francisco, California, USA). Anthropic provides the AI model behind our new support assistant, which replaces the assistant in our previous chat. If you type personal information into the chat, it is sent to Anthropic and stored on Anthropic's servers. That includes your name, your email address, details about your account or campaigns, and details about people who entered your campaigns. Anthropic deletes it within 30 days.

We've also made three changes that don't involve a new subprocessor:

  • PostHog, Inc. (San Francisco, California, USA) is already one of our subprocessors for product analytics. It now also runs our support desk, and holds live chat, support email and support ticket history.
  • Zendesk, Inc. comes off our list once our Zendesk data has been deleted.
  • Airbrake Technologies, Inc., which we used for error monitoring, has been removed. Our Airbrake account and its data have been deleted.

What this means for your data

  • From 30 November, you can turn the support assistant off in ShortStack Account Settings in the app. With it off, your chats from inside the app go straight to our team. On Enterprise accounts it's off unless you turn it on.
  • The chat on our website always uses the assistant. If you'd rather the assistant didn't see something, contact us from inside the app or by email instead.
  • The support assistant answers from our published help documentation. It has no access to your account, your campaigns or your entries.
  • Anthropic does not use your support conversations to train its models.
  • You can ask for a person at any point in the chat, or email us at support@shortstack.com.
  • Where you can, refer to an entry by its campaign link rather than by an entrant's name or email address.
  • We keep support conversations for the periods set out in our Privacy Policy.

When: the assistant starts answering customers on or after 30 November 2026. Until then, all support replies come from our team.

If you have a concern

Under Section 5.4 of our Data Processing Addendum, you can object to Anthropic as a new subprocessor on reasonable grounds relating to data protection. Email support@shortstack.com with "Subprocessor objection" in the subject line by 24 November 2026, fifteen business days after this notice. We'll work with you in good faith to find a solution.

If you'd rather not use the assistant at all, you can turn it off for your account as soon as it goes live on 30 November, before it answers any of your questions.

The updated list is at shortstack.com/subprocessors, and AI at ShortStack explains how we use AI. If you have any questions, just reply to this email.

Thanks,

The ShortStack team

You're receiving this service notice because you have a ShortStack account. Our Data Processing Addendum requires us to send it, so it reaches you whatever your marketing email preferences.