Legal Document

Privacy Policy

Effective Date: March 11, 2026  ·  Last Updated: March 11, 2026

Published by Taciturn Studios LLC — operator of kdp.ad

1. Introduction

Taciturn Studios LLC ("we," "us," or "our") operates kdp.ad (the "Service"), an Amazon Advertising management platform designed for Kindle Direct Publishing (KDP) authors. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website at kdp.ad or use our Service. Please read this policy carefully. If you disagree with its terms, please discontinue use of the Service.

2. Information We Collect

We collect information in the following ways:

2.1 Information You Provide Directly

When you create an account, subscribe to a plan, or contact us, we collect your name, email address, billing information (processed securely by Stripe), and any content you submit through the Service, including campaign data, book ASINs, and advertising settings.

2.2 Information Collected Automatically

When you access the Service, we automatically collect certain technical information, including your IP address, browser type and version, operating system, referring URLs, pages viewed, and timestamps of your activity. We use cookies and similar tracking technologies to maintain your session, remember your preferences, and analyze usage patterns.

2.3 Amazon Advertising Data

If you connect your Amazon Advertising account to the Service, we collect and process campaign performance data, keyword data, spend and sales metrics, and related advertising information solely to provide the features of the Service to you.

3. How We Use Your Information

We use the information we collect to:

  • Provide, operate, and maintain the Service;
  • Process transactions and send related billing communications;
  • Send transactional emails (account confirmations, billing receipts, alerts) via Resend;
  • Send marketing communications and product updates via MailerLite, subject to your consent where required by law;
  • Analyze usage to improve the Service and develop new features;
  • Detect, prevent, and address technical issues and fraudulent activity;
  • Comply with legal obligations.

We do not sell, rent, or trade your personal information to third parties for their marketing purposes.

4. Cookies and Tracking Technologies

We use the following types of cookies:

TypePurposeDuration
EssentialSession management and authenticationSession
FunctionalRemembering your preferences and settings1 year
AnalyticsAnonymous usage analytics via Umami (privacy-first, no personal data)1 year
MarketingConversion tracking for advertising (only with consent)90 days

You can control cookies through your browser settings or through the cookie consent banner displayed when you first visit the Service. Disabling essential cookies may affect Service functionality.

5. Third-Party Service Providers

We share your information with trusted third-party service providers who assist us in operating the Service, subject to confidentiality obligations:

ProviderPurposePrivacy Policy
StripePayment processing and subscription billingstripe.com/privacy
MailerLiteEmail marketing and subscriber managementmailerlite.com/legal/privacy-policy
ResendTransactional email deliveryresend.com/legal/privacy-policy
Amazon Web ServicesCloud infrastructure and data storageaws.amazon.com/privacy

6. Data Retention

We retain your personal information for as long as your account is active or as needed to provide the Service. If you close your account, we will delete or anonymize your personal data within 90 days, except where we are required to retain it for legal, tax, or audit purposes. Campaign performance data you have imported may be retained in anonymized, aggregated form for product improvement purposes.

7. Your Rights

Depending on your jurisdiction, you may have the following rights regarding your personal data:

  • Access: Request a copy of the personal data we hold about you.
  • Rectification: Request correction of inaccurate or incomplete data.
  • Erasure: Request deletion of your personal data ("right to be forgotten").
  • Portability: Receive your data in a structured, machine-readable format.
  • Objection: Object to processing based on legitimate interests or for direct marketing.
  • Restriction: Request that we restrict processing of your data in certain circumstances.
  • Withdraw Consent: Where processing is based on consent, withdraw it at any time.

To exercise any of these rights, please contact us at [email protected]. We will respond within 30 days.

8. International Data Transfers

Taciturn Studios LLC is based in the United States. If you access the Service from outside the United States, your information may be transferred to, stored, and processed in the United States or other countries where our service providers operate. By using the Service, you consent to such transfers. Where required by applicable law (such as the GDPR), we ensure appropriate safeguards are in place, including Standard Contractual Clauses.

9. Children's Privacy

The Service is not directed to individuals under the age of 18. We do not knowingly collect personal information from children. If you become aware that a child has provided us with personal information, please contact us at [email protected] and we will take steps to delete such information.

10. Security

We implement industry-standard technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include TLS encryption for data in transit, encrypted storage for sensitive data at rest, and access controls limiting data access to authorized personnel. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new policy on this page and updating the "Last Updated" date. For significant changes, we will also send an email notification to the address associated with your account. Your continued use of the Service after any changes constitutes your acceptance of the updated policy.

12. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

Taciturn Studios LLC

Operating kdp.ad

Email: [email protected]

Website: kdp.ad