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Terms of Service

Effective date: April 8, 2026 · Last updated: April 8, 2026

1. Agreement

These Terms of Service (“Terms”) govern your access to and use of the Sendinel platform (“Service”), operated by Desler Digital Enterprises LLC(“we,” “us,” “our”), a Hawaii limited liability company. By creating an account or using the Service, you agree to these Terms. If you do not agree, do not use the Service.

2. Eligibility

You must be at least 16 years old and capable of forming a binding contract to use Sendinel. If you use the Service on behalf of an organization, you represent that you have authority to bind that organization to these Terms.

3. Accounts

  • You are responsible for maintaining the security of your account credentials.
  • You must provide accurate and complete information when creating your account.
  • You are responsible for all activity that occurs under your account.
  • Notify us immediately if you suspect unauthorized access to your account.

4. Acceptable use

You agree not to use Sendinel to:

  • Send unsolicited bulk email (spam) or violate CAN-SPAM, GDPR, CASL, or other applicable anti-spam laws
  • Transmit malware, phishing content, or deceptive messages
  • Harvest email addresses or personal data without consent
  • Impersonate another person or entity
  • Interfere with or disrupt the Service or its infrastructure
  • Attempt to gain unauthorized access to other users' accounts or data
  • Use the Service for any activity that is illegal under applicable law

We reserve the right to suspend or terminate accounts that violate these rules, with or without notice.

5. Email sending & compliance

You are solely responsible for the content of emails you send through Sendinel and for maintaining valid consent from your recipients. You must include a functioning unsubscribe mechanism in all marketing emails. We may suspend sending privileges if we detect abuse, high bounce rates, or spam complaints that threaten our sending reputation or the reputation of other users.

6. Plans, billing & payments

  • Sendinel offers free and paid plans. Plan features and limits are described on our pricing page.
  • Paid subscriptions are billed monthly through Stripe. You authorize us to charge your payment method on a recurring basis.
  • You may cancel your subscription at any time. Cancellation takes effect at the end of the current billing period.
  • We may change pricing with 30 days' notice. Continued use after a price change constitutes acceptance.
  • Overage charges, if applicable to your plan, are billed at the rates specified on your plan page.

7. Your data

You retain ownership of all content and data you upload to Sendinel (“Your Data”). You grant us a limited license to process Your Data solely to provide the Service. We will not access, use, or share Your Data except as described in our Privacy Policy or as required by law.

8. AI-generated content

Sendinel uses artificial intelligence to generate email content, subject lines, and segment recommendations. AI-generated content is provided as suggestions. You are responsible for reviewing and approving all content before it is sent. We do not guarantee the accuracy, appropriateness, or effectiveness of AI-generated content.

9. Intellectual property

The Sendinel name, logo, software, and documentation are the property of Desler Digital Enterprises LLC. These Terms do not grant you any right to use our trademarks or branding. You retain all rights to Your Data and any email content you create.

10. Service availability

We strive to maintain high availability but do not guarantee uninterrupted access. We may perform scheduled maintenance with reasonable advance notice. We are not liable for downtime caused by factors beyond our reasonable control, including third-party service outages, natural disasters, or network failures.

11. Limitation of liability

To the maximum extent permitted by law, Desler Digital Enterprises LLC shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits or revenue, whether incurred directly or indirectly, arising from your use of the Service. Our total aggregate liability for any claims arising from these Terms or the Service shall not exceed the amount you paid us in the 12 months preceding the claim.

12. Disclaimer of warranties

The Service is provided “as is” and “as available” without warranties of any kind, whether express, implied, or statutory, including implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

13. Termination

Either party may terminate this agreement at any time. You may delete your account from the dashboard settings. We may suspend or terminate your access if you violate these Terms. Upon termination, your right to use the Service ceases immediately. We will retain Your Data for 30 days after termination, after which it will be permanently deleted.

14. Governing law

These Terms are governed by the laws of the State of Hawaii, without regard to conflict of law principles. Any disputes arising from these Terms shall be resolved in the state or federal courts located in Honolulu County, Hawaii.

15. Changes to these terms

We may modify these Terms at any time. We will notify you of material changes by posting the revised Terms on this page with an updated effective date. Continued use of the Service after changes take effect constitutes acceptance of the revised Terms.

16. Contact

Questions about these Terms? Contact us at legal@sendinel.ai.

© 2026 Desler Digital Enterprises LLC. All rights reserved.