SubflowAI Terms of Service

AI-Powered Substack Notes Scheduler

Effective Date: January 2, 2026 | Last Updated: July 2, 2026

Supplemental Terms. These SubflowAI Terms of Service are supplemental to, and governed by, the GenAI Unplugged master Terms of Service. Provisions not restated here — including Prohibited Uses, Intellectual Property, Governing Law, and the general Limitation of Liability framework — are inherited from the master Terms. In the event of a conflict between these Terms and the master Terms of Service, the master Terms of Service shall control. SubflowAI is operated by GENAI UNPLUGGED LLC (Pennsylvania, USA).

1. Introduction

Welcome to SubflowAI ("Service," "we," "us," or "our"), a Chrome browser extension developed and operated by GenAI Unplugged LLC. By installing, accessing, or using SubflowAI, you agree to be bound by these Terms of Service ("Terms").

If you do not agree to these Terms, do not install or use SubflowAI.

2. Service Description

SubflowAI is a Chrome browser extension that helps Substack writers:

2.1 What SubflowAI Is NOT

3. Eligibility

To use SubflowAI, you must:

4. Account and License

4.1 License Types

4.2 License Grant

Upon valid purchase or trial activation, we grant you a limited, non-exclusive, non-transferable, revocable license to use SubflowAI for personal or business purposes in accordance with these Terms. For the one-time Pro ("Lifetime") tier, this license grants access for a term of five (5) years from the date of purchase; it does not grant perpetual access. Monthly licenses remain active for each paid billing period.

4.3 License Restrictions

You may NOT:

5. Payments and Billing

5.1 Payment Processing

All payments are processed securely through Lemon Squeezy, our third-party payment provider. By making a purchase, you also agree to Lemon Squeezy's terms of service.

5.2 Pricing

5.3 Automatic Renewal

Monthly subscriptions automatically renew until cancelled. You may cancel anytime through your Lemon Squeezy customer portal.

5.4 Taxes

Prices may not include applicable taxes. You are responsible for any taxes imposed on your purchase based on your jurisdiction.

6. Refund Policy

Refund eligibility follows the GenAI Unplugged master Terms of Service, Section 4.4, and differs by plan. It does not follow a single flat window across all plans.

6.1 Free Trial

The Free Trial is not a purchase and there is nothing to refund. Use the trial to evaluate SubflowAI before buying a paid plan.

6.2 Monthly Subscription

Monthly subscriptions are cancel-anytime through your Lemon Squeezy customer portal. Monthly charges are not refunded for partial billing periods — if you cancel mid-cycle, you keep access through the end of the period you already paid for, and that period's charge is not refunded.

6.3 One-Time Pro ("Lifetime") License

The one-time Pro ("Lifetime") license (a five-year term, see Section 4.2) includes a 14-day money-back guarantee from the date of purchase, consistent with the master Terms of Service (§4.4) for software licenses. Requests made after the 14-day window are handled at our sole discretion.

6.4 Refund Conditions (All Paid Plans)

Refunds may be denied if:

6.5 How to Request a Refund

Email [email protected] with your license key or order number.

7. AI-Generated Content

7.1 Content Ownership

Content you create or generate using SubflowAI belongs to you. We do not claim ownership of your notes, drafts, or generated content.

7.2 AI Limitations

7.3 Usage Limits

AI generation features are subject to monthly usage limits based on your subscription tier. Limits reset on the 1st of each month.

8. Image Uploads

8.1 Image Storage

When you upload images to include in your Notes:

8.2 Image Restrictions

You may NOT upload images that:

8.3 Technical Limits

8.4 Your Responsibility

You are solely responsible for ensuring you have the rights to upload and publish any images you use. We are not liable for any claims arising from your uploaded content.

9. Third-Party Services

SubflowAI integrates with third-party services:

9.1 Substack

9.2 Google Gemini (AI)

9.3 Lemon Squeezy (Payments)

9.4 Cloudflare (Infrastructure)

9.5 Analytics and Data Access Features (Non-Relay Usage)

SubflowAI's Analytics tab and Subscriber Signals feature access your Substack publication data — including subscriber lists, post statistics, engagement metrics, growth timeseries, and revenue data — by making requests to Substack's internal APIs using your authenticated browser session.

How this works, when the "Connect to Claude" relay described in Section 9.6 is off (the default):

This "not transmitted to our servers" statement applies only to this non-relay usage. When you opt in to the "Connect to Claude" relay, some Substack data does pass through (transit) our MCP server — see Section 9.6 for exactly what that means and what is and is not stored.

Important notice regarding Substack's Terms of Service:

Automated or programmatic access to Substack's internal APIs — including access to your own data — may conflict with Substack's Terms of Service, regardless of whether you own the data being accessed. By using SubflowAI's Analytics or Subscriber Signals features, you acknowledge that:

  1. You have reviewed Substack's Terms of Service
  2. You accept sole responsibility for ensuring your use complies with Substack's current policies
  3. GenAI Unplugged LLC is not liable for any action Substack takes against your account — including suspension, rate limiting, or termination — as a result of using these features
  4. You are using these features entirely at your own risk

Subscriber Signals — additional notice: The deep analysis feature makes individual API requests per subscriber (up to 5,000 subscribers at ~1 request/second). This level of sustained API activity carries a heightened risk of triggering Substack's rate limits or automated account flags. Use this feature judiciously.

9.6 "Connect to Claude" — Substack MCP Relay (Opt-In)

SubflowAI offers an optional, license-gated, fully revocable feature that lets you connect an external AI client — Claude Desktop, Claude Code, Claude Cowork, or ChatGPT — to your Substack account through GenAI Unplugged's Model Context Protocol relay server at substackmcp.genaiunplugged.com. This relay uses the same underlying MCP infrastructure and technical safeguards (BYOK session cookie handling, whitelisted commands, audit logging) as GenAI Unplugged's standalone Substack Notes MCP product.

How it works:

You control and are responsible for these operations. Because the relay can modify and delete your content, you choose which AI client to connect and what to instruct it to do. You are solely responsible for reviewing and confirming any create, edit, publish, or delete operation and for using these tools safely. As stated in Section 12.1, GenAI Unplugged LLC is not liable for any loss, deletion, overwrite, or corruption of your content resulting from commands issued through the relay.

Server-side relay artifacts: to operate the relay, our server generates short-lived pairing tokens, maintains per-user relay-channel connection state, and writes a minimal command audit row (which whitelisted command ran, when, and its status) for each command your AI client sends. See our Privacy Policy for retention periods, including the 90-day retention on command audit rows.

9.7 Your Own AI Client (Anthropic Claude / OpenAI ChatGPT)

The AI client you connect to the relay described in Section 9.6 (Claude Desktop, Claude Code, Claude Cowork, ChatGPT, or similar) is your own account and software, operated by Anthropic, OpenAI, or another provider of your choosing. It is not part of the SubflowAI Service. GenAI Unplugged LLC does not operate that client, does not have access to it, and is not a data processor or subprocessor for it. Your use of that AI client is governed entirely by your agreement with its provider (for example, Anthropic's Consumer Terms or OpenAI's policies). Once your Substack data reaches your AI client via the relay, its handling by that client is outside GenAI Unplugged LLC's control and is your responsibility to review.

10. Data and Privacy

These Terms and our product-specific SubflowAI Privacy Policy are supplemental to, and governed by, the GenAI Unplugged master Privacy Policy. In the event of a conflict between the SubflowAI Privacy Policy and the master Privacy Policy, the master Privacy Policy shall control. Please review our Privacy Policy for details on:

10.1 Local Storage

SubflowAI stores your notes and settings locally in your browser. We do not have access to your locally stored content.

10.2 License Validation

We validate license keys through our secure server. This process transmits your license key but not your note content.

11. Disclaimers

11.1 "As-Is" Service

SubflowAI is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, either express or implied, including but not limited to:

11.2 No Guaranteed Delivery

We do NOT guarantee that:

11.3 Browser Dependency

Important: Scheduled posts require your Chrome browser to be running. Posts may fail if:
  • Your browser is closed
  • Your computer is in sleep mode
  • You are logged out of Substack
  • Substack's website is unavailable

12. Limitation of Liability

The limitation of liability that applies to SubflowAI is set out in the GenAI Unplugged master Terms of Service (Section 11), which is incorporated here by reference and controls. To the fullest extent permitted by law, our total aggregate liability is capped as stated in the master Terms. Please review the master Terms for the full and controlling text; the summary below is provided for convenience and does not replace it.

12.1 Excluded Damages

Without limiting the master Terms, and to the fullest extent permitted by law, GenAI Unplugged LLC shall not be liable for any:

12.2 Automated Operations, Content Changes, and Deletion

SubflowAI can create, edit, publish, reschedule, and delete your Substack content on your behalf — including through automated actions you initiate from a connected AI client via the "Connect to Claude" relay (Section 9.6), which exposes tools that can update and delete Notes, drafts, and posts. You are solely responsible for directing, reviewing, and confirming these operations and for using them in a safe manner. To the fullest extent permitted by law, GenAI Unplugged LLC is not liable for any loss, deletion, overwrite, corruption, or unintended modification of your notes, drafts, posts, schedule, or other content resulting from your use of the Service or from commands issued by an AI client you have connected. It is your responsibility to make the Service work safely for your own workflow and to maintain your own backups of important content.

12.3 Acknowledgment

You acknowledge that:

13. Indemnification

You agree to indemnify, defend, and hold harmless GenAI Unplugged LLC, its officers, directors, employees, and agents from any claims, damages, losses, or expenses (including reasonable legal fees) arising from:

14. Termination

14.1 Termination by You

You may stop using SubflowAI at any time by:

14.2 Termination by Us

We may suspend or terminate your license if you:

14.3 Effect of Termination

Upon termination:

15. Changes to Terms

15.1 Modifications

We may update these Terms at any time. Changes are effective when posted. The "Last Updated" date at the top reflects the most recent revision.

15.2 Notification

For material changes, we will make reasonable efforts to notify you via:

15.3 Continued Use

Your continued use of SubflowAI after changes constitutes acceptance of the updated Terms.

16. Governing Law and Disputes

16.1 Governing Law

These Terms are governed by the laws of the Commonwealth of Pennsylvania, United States, without regard to conflict of law principles, consistent with the master Terms of Service, Section 13.

16.2 Dispute Resolution

All dispute-resolution provisions — including the requirement to first seek informal resolution, binding arbitration, the class-action waiver, and any limitation period — are set out in the GenAI Unplugged master Terms of Service (Section 14), which is incorporated here by reference and controls. To begin, contact us at [email protected] and we will attempt to resolve the matter informally.

17. General Provisions

17.1 Entire Agreement

These Terms, together with our Privacy Policy and the GenAI Unplugged master Terms of Service and master Privacy Policy, constitute the entire agreement between you and GenAI Unplugged LLC regarding SubflowAI.

17.2 Severability

If any provision of these Terms is found unenforceable, the remaining provisions remain in effect.

17.3 No Waiver

Our failure to enforce any right or provision does not constitute a waiver of that right or provision.

17.4 Assignment

You may not assign or transfer your rights under these Terms. We may assign our rights without restriction.

18. Contact Information

For questions, concerns, or support:

GenAI Unplugged LLC
Email: [email protected]
Location: Pennsylvania, USA
Master Terms of Service: genaiunplugged.com/terms

19. Acknowledgment

By installing or using SubflowAI, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service, which are supplemental to the GenAI Unplugged master Terms of Service.

Thank you for using SubflowAI. We're committed to helping you create great content on Substack.