Substack
Owned by Substack Inc.
substack.com ↗Privacy Panel Label
Privacy Panel
Substack
Data Collected
●Race, Religion & Demographicssensitive
Date of birth
●Financial & Payment Datasensitive
Payment details
●Message & Email Contentsensitive
Direct message contents and metadata
○Contact Info
First and last name
Email address
Phone number
Mailing address
○Photos, Videos & Audio
Photograph
○App Usage & Diagnostics
Browser and device information
Website usage and analytics data
○Device & Online IDs
IP address
Username and password
Social media account information
Third-party service account identifiers
Subscription status
○Contacts / Address Book
Address book contacts
○Browsing & Search History
Online activity after leaving website
Data Sharing & Use
?Sold to third parties
9 recipient categories (Affiliates and corporate subsidiaries, Creators (publication owners), Payment processors (e.g., Stripe), …)
YESShared for advertising
YESCross-site tracking
YESUsed for profiling / AI decisions
?Used to train AI models
YESDisclosed to law enforcement
Data Uses
Core serviceSecurity / fraudAdvertisingPersonalizationAnalyticsThird-party partnerships
Data Retention
not stated (as long as reasonably necessary)
Includes legally mandated retention
Substack retains information only as long as reasonably necessary for the purpos…
Consumer Rights
Access
Delete
Portability
Correct
Opt-out
Security
?
Encrypted in transit?
Encrypted at rest?
MFA available?
Breach notificationBrowser Privacy Signals
not honoredGPC / DNT
This label summarizes privacy practices as disclosed in the company's privacy policy. This is not legal advice. Full policy ↗
This label summarizes privacy practices as disclosed in the company's privacy policy. It is a neutral, factual restatement — not an evaluation. What is this?
Source Evidence
Report an issueIf a specific extraction below looks wrong (the quote does not match the policy, or the YES/no is misinterpreted), use the per-finding flag to help us improve.
What's on the label
Shared for advertising
YES80% confidence
we will send you, based on your consent (if required), direct marketing communication in relation to our relevant services, or other services provided by us, our affiliates and carefully selected partners.
Cross-site tracking
YES90% confidence
Through cookies we place on your browser or device, we may collect information about your online activity after you leave our website. Just like any other usage information we collect, this information allows us to improve the services and customize your online experience
Used for profiling
YES97% confidence
We may use the information we collect to profile you in order to suggest content on our platform that is relevant to your interests.
Signals & rights
Honors DNT
no97% confidence
Our services do not support Do Not Track requests at this time, which means that we collect information about your online activity both while you are using the services and after you leave our services.
Sources / Provenance
Analyzed June 3, 2026 · policy fetched June 3, 2026
Archived copy: not yet available
Source hash: 22fee29e81e3…