Effective Date: March 11, 2026 · Last Updated: March 11, 2026
Published by Taciturn Studios LLC — operator of kdp.ad
These Terms of Service ("Terms") constitute a legally binding agreement between you ("User," "you," or "your") and Taciturn Studios LLC ("Company," "we," "us," or "our"), a limited liability company, governing your access to and use of kdp.ad and all related services, features, and content (collectively, the "Service"). By accessing or using the Service, you agree to be bound by these Terms. If you do not agree to these Terms, you must not access or use the Service.
kdp.ad is a software-as-a-service (SaaS) platform that provides Amazon Advertising management tools designed for Kindle Direct Publishing (KDP) authors and publishers. The Service includes campaign management, keyword research and optimization, bid automation, analytics and reporting, and related features intended to help users manage and optimize their Amazon book advertising campaigns. The Service is provided on a subscription basis as described in Section 5.
To use the Service, you must be at least 18 years of age and have the legal capacity to enter into a binding contract. By creating an account, you represent and warrant that all information you provide is accurate, current, and complete. You are responsible for maintaining the confidentiality of your account credentials and for all activities that occur under your account. You agree to notify us immediately at [email protected] of any unauthorized use of your account.
We reserve the right to refuse service, terminate accounts, or remove content at our sole discretion, including if we believe a user has violated these Terms or applicable law.
You agree to use the Service only for lawful purposes and in accordance with these Terms. You agree not to:
The Service is offered on a subscription basis. Subscription plans, pricing, and features are described on our pricing page at kdp.ad/#pricing. All prices are in US dollars unless otherwise stated.
We may offer a free trial period for new subscribers. At the end of the free trial, your subscription will automatically convert to a paid plan unless you cancel before the trial ends. No charge will be made during the trial period.
Subscription fees are billed in advance on a monthly or annual basis, depending on the plan you select. Payment is processed securely by Stripe. By providing payment information, you authorize us to charge the applicable fees to your payment method. You are responsible for keeping your payment information current.
You may cancel your subscription at any time through your account settings. Cancellation takes effect at the end of the current billing period; you will retain access to the Service until that date. We do not provide refunds for partial billing periods. If you believe you have been charged in error, please contact us within 30 days at [email protected].
The Service and its original content, features, and functionality are and will remain the exclusive property of Taciturn Studios LLC and its licensors. The Service is protected by copyright, trademark, and other laws of the United States and foreign countries. Our trademarks and trade dress may not be used in connection with any product or service without the prior written consent of Taciturn Studios LLC.
You retain ownership of all data and content you submit to the Service ("User Content"). By submitting User Content, you grant us a non-exclusive, worldwide, royalty-free license to use, store, and process your User Content solely to provide and improve the Service.
The Service integrates with Amazon Advertising and other third-party services. Your use of such third-party services is governed by their respective terms and policies. We are not responsible for the practices of third-party services.
You are solely responsible for ensuring that your use of the Service complies with Amazon's Advertising Policies and all applicable Amazon platform terms. We do not guarantee that use of the Service will result in compliance with Amazon's policies, and we are not liable for any account suspensions, policy violations, or other consequences arising from your Amazon Advertising activities.
THE SERVICE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. WE DO NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE, OR FREE OF VIRUSES OR OTHER HARMFUL COMPONENTS.
WE DO NOT GUARANTEE ANY SPECIFIC RESULTS FROM USE OF THE SERVICE, INCLUDING BUT NOT LIMITED TO IMPROVEMENTS IN ACOS, SALES, ROYALTIES, OR ADVERTISING PERFORMANCE.
TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, TACITURN STUDIOS LLC SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING LOSS OF PROFITS, DATA, OR GOODWILL, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE SERVICE, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS ARISING UNDER THESE TERMS SHALL NOT EXCEED THE AMOUNT YOU PAID TO US IN THE 12 MONTHS PRECEDING THE CLAIM.
You agree to defend, indemnify, and hold harmless Taciturn Studios LLC and its officers, directors, employees, and agents from and against any claims, liabilities, damages, judgments, awards, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising out of or relating to your violation of these Terms, your User Content, your use of the Service, or your violation of any third-party rights.
These Terms shall be governed by and construed in accordance with the laws of the State of Delaware, United States, without regard to its conflict of law provisions.
Any dispute arising from or relating to these Terms or the Service shall first be attempted to be resolved through good-faith negotiation. If not resolved within 30 days, disputes shall be resolved by binding arbitration administered by the American Arbitration Association under its Commercial Arbitration Rules, with proceedings conducted in English. You waive any right to a jury trial or to participate in a class action lawsuit.
We may terminate or suspend your account and access to the Service immediately, without prior notice or liability, for any reason, including if you breach these Terms. Upon termination, your right to use the Service will immediately cease. All provisions of these Terms that by their nature should survive termination shall survive, including ownership provisions, warranty disclaimers, indemnity, and limitations of liability.
We reserve the right to modify these Terms at any time. We will provide notice of material changes by posting the updated Terms on this page, updating the "Last Updated" date, and, for significant changes, sending an email notification to your registered email address. Your continued use of the Service after the effective date of any changes constitutes your acceptance of the revised Terms.
For questions about these Terms of Service, please contact us:
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