FAQ

I have an existing subscription on Basescan/BscScan and was redirected to Etherscan

We strongly recommend migrating to V2 for better usage management, stability, not to mention a sweet upgrade to access all other chains we support 😗

If you have trouble managing your plan or encountered errors, we'll get you sorted.

There are no breaking changes, all updates are backward-compatible.

To avoid service disruption, please switch to API V2 by 31 May 2025, as V1 API access will be disabled after this date. Learn more.

Our endpoint accepts one `chainId` at a time, feel free to repeat the query for each chain you need to access.

Please switch to API V2 by 31 May 2025 to avoid any service disruption. Learn more.

Its still here.

Exactly as before—based on your plan, with a per-second request limit and an overall daily limit.

To manage this, you can set up programmatic alerts or enable overage charges if needed for peace of mind.

You can now verify multichain contracts via the Verify Source Code endpoint. Learn more about how to verifiy contracts across our supported chains.

Last updated 1 month ago