This analysis describes what Substack's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
Subscribing to a Creator's publication on Substack results in the Creator receiving the subscriber's name and email address, transferring personal data to a third party outside Substack's direct control.
Substack now discloses that it shares account identifiers, such as email addresses and usernames, with trusted industry child safety organizations to detect and prevent online child sexual exploitation and abuse. The policy also establishes that Substack will respond to privacy rights requests within one month, or up to three months for complex requests, providing more certainty about response timelines. Additionally, the policy clarifies that direct message recipients may retain messages even if you request deletion or delete your account, which is now explicitly stated rather than implied.
View change record →The updated policy no longer commits to responding to privacy rights requests within one month or within three months for complex requests. This removes a procedural timeline that previously bound Substack's response obligations. Additionally, the explicit disclosure that Substack shares account identifiers with child safety consortia to detect online child sexual exploitation has been removed from the policy, though the practice itself is not stated to have ended. The direct message retention language is now framed more directly: recipients may retain messages even if you request deletion or close your account.
View change record →By subscribing to a Creator's publication, a user's name and email address are shared with that Creator.
How other platforms handle this
Under Section 1798.83, Ancestry currently does not share any Personal Information with third parties for their own direct marketing purposes.
By using one of these tools, you agree that Public.com may transfer that information to the applicable third party service.
disclosure is required by a third-party to complete a transaction initiated by the user
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Substack has changed this document before.
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"when you subscribe to a Creator's publication, we provide them the information necessary (including your name and email address) to provide you their publication(s).— Excerpt from Substack's Substack Privacy Policy
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Subscribing to a Creator's publication on Substack results in the Creator receiving the subscriber's name and email address, transferring personal data to a third party outside Substack's direct control.
By subscribing to a Creator's publication, a user's name and email address are shared with that Creator.
ConductAtlas has identified this type of provision across 289 platforms. See the full comparison.
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