Terms of Service

Last Updated: October 30, 2025

These Terms of Service govern your access to and use of the Blockscout Data API platform and services.

1. Acceptance of Terms

By accessing or using the Blockscout Data API, you agree to be bound by these Terms of Service and all applicable laws and regulations. If you do not agree with any part of these terms, you may not access or use the service.

2. API Access and Usage

2.1 API Keys: You must obtain and use a valid API key to access the service. API keys are non-transferable and must be kept confidential.

2.2 Rate Limits: Your API usage is subject to rate limits based on your subscription tier. Exceeding rate limits may result in temporary or permanent suspension of access.

2.3 Acceptable Use: You agree to use the API only for lawful purposes including compliance, law enforcement, financial intelligence, and risk management. Prohibited uses include attempting to compromise security, reverse engineering, or using the service to facilitate illegal activities.

3. Data and Privacy

3.1 Data Accuracy: While we strive to provide accurate and up-to-date attribution data, we make no warranties regarding the completeness, reliability, or accuracy of the data provided.

3.2 Data Usage: The data provided through this API is for your internal use only. Redistribution, resale, or public disclosure of the data requires prior written consent from Blockscout.

3.3 Logging: We log all API requests for security, compliance, and billing purposes. Usage data may be retained as required by law or regulation.

4. Billing and Payment

4.1 Subscription Fees: Access to the API requires a paid subscription. Fees are based on your selected tier and usage levels.

4.2 Payment Terms: Subscription fees are billed in advance on a monthly or annual basis. All fees are non-refundable except as required by law.

4.3 Late Payment: Failure to pay fees when due may result in suspension or termination of your API access.

5. Intellectual Property

All intellectual property rights in the API, documentation, and data remain the exclusive property of Blockscout. You are granted a limited, non-exclusive, non-transferable license to access and use the service in accordance with these terms.

6. Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. WE DO NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, SECURE, OR ERROR-FREE.

7. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, BLOCKSCOUT SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, OR GOODWILL ARISING OUT OF YOUR USE OF THE SERVICE.

8. Termination

We may suspend or terminate your access to the API at any time, with or without cause, with or without notice. Upon termination, all licenses and rights granted to you will immediately cease.

9. Changes to Terms

We reserve the right to modify these Terms of Service at any time. Changes will be effective immediately upon posting. Your continued use of the service after changes are posted constitutes acceptance of the modified terms.

10. Governing Law

These Terms of Service are governed by and construed in accordance with the laws of the United States, without regard to conflict of law principles. Any disputes arising from these terms shall be subject to the exclusive jurisdiction of the courts located in the United States.

11. Contact Information

For questions about these Terms of Service, please contact us at: