Frequently Asked Questions.
Every block explorer built by Etherscan ( eg. BscScan, PolygonScan, HecoInfo ) requires a different account to be created and hence a different set of API keys
The additional endpoints available under any API PRO subscription
are only available to the Ethereum mainnet, and not supported on testnets.
Newly generated keys may take a moment to fully activate, please retry this in a moment!