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Terms of Service

1. Acceptance of Terms

By accessing or using the UserCheck services ("Services"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to all of these Terms, you must not use the Services.

2. Description of Services

UserCheck provides an API designed to identify temporary or disposable email addresses. Our service can be integrated into your registration process to validate email addresses against our up-to-date database of disposable domains.

3. Service Plans and Usage Limits

UserCheck offers the following service plans:

  1. Free Plan: Available without registration, with limited daily requests.
  2. Registered Free Plan: Requires registration, offers higher monthly request limit.
  3. Pro Plan: Paid subscription with increased request limits and additional features.

For current usage limits and pricing details, please refer to our website at

We reserve the right to modify plan features and limits. Any changes will be communicated via our website and/or email.

4. Registration and API Keys

4.1 Free Plan

Registration is not required for the basic free plan. You can use the API unauthenticated within the specified usage limits.

4.2 Registered Free Plan and Pro Plan

Registration is required for the registered free plan and the Pro plan. Upon registration, you will receive a personal API key. This key is confidential and should not be shared. All usage associated with your API key will be attributed to your account.

5. Prohibited Use

You agree not to use the Services:

6. Intellectual Property

All content and software related to UserCheck is our property and is protected by international copyright laws.

7. Changes to Terms

We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting on our website. Your continued use of the Services after changes constitutes acceptance of the modified Terms.

8. Termination

We may suspend or terminate your access to the Services if you violate these Terms or for any other reason at our discretion, with or without notice.

9. Limitation of Liability

UserCheck shall not be liable for any indirect, incidental, special, consequential, or punitive damages resulting from your use or inability to use the Services.

10. Governing Law

These Terms shall be governed by and construed in accordance with the laws of Estonia, without regard to its conflict of law provisions.

11. Subscriptions

11.1 Subscription Plans

Details of our current subscription plans are outlined in Section 3 of these Terms.

11.2 Payment

All fees for paid plans are due in advance and are non-refundable, except as required by law or as explicitly stated in these Terms.

11.3 Renewal and Cancellation

Paid subscriptions automatically renew unless cancelled. You may cancel auto-renewal at any time through your account settings or by contacting our support team.

11.4 Changes to Subscription Terms

We may modify our subscription plans, including pricing, with notice. Changes will not apply to current billing periods for which you've already paid.

12. Data Usage and Privacy

Your use of our Services is also governed by our Privacy Policy. By using the Services, you consent to the data practices described in this policy.

13. API Usage and Rate Limiting

We employ rate limiting to ensure fair usage across all users. Exceeding rate limits may result in temporary or permanent suspension of your access to the Services.

14. Indemnification

You agree to indemnify and hold UserCheck harmless from any claims resulting from your use of our Services or any violation of these Terms.

15. Contact Us

If you have any questions about these Terms, please contact us at [email protected].