Etherscan API Changes Effective July 1, 2026

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Etherscan

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May 5, 2026, 4:31:00 AM (9 days ago) May 5
to crazyhellwalletsos@googlegroups.com
Ethereum (ETH) Blockchain Explorer
Switch to Etherscan API V2 by May 31, 2025

Dear crazyhellwalletsos,

The following changes to the Etherscan API may require updates to your integration before July 1, 2026.


1. Reduced Maximum Records Per Request on the Free API Tier

Effective July 1, 2026, the maximum number of records returned per request will be reduced from 10,000 to 1,000 for Free tier API users. This change affects the following endpoints:

What you need to do: Update your integration for the above endpoints to paginate records in batches of 1,000 or fewer.


2. Internal Transactions by Block Range Endpoint Moving to Pro Plans

Effective July 1, 2026, Get Internal Transactions by Block Range will be moved to Pro endpoint.

What you need to do: If your application relies on this endpoint, check your plan tier and upgrade if needed, or update your integration.


Note: If your application does not use any of the endpoints listed above, no action is required.

For details on API usage limits and plan tiers, please refer to the API plans page or consult the API documentation for endpoint usage and integration guidance. If you have questions about this change, contact us at apisu...@etherscan.io.

We appreciate your understanding as we continue improving the performance and reliability across our services.

Best regards,
Team Etherscan

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