Frequently Asked Questions.
Every block explorer built by Etherscan ( eg. BscScan, FTMScan, 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 Fantom Chain mainnet, and not supported on testnets.
A technical glitch may have occurred in the key creation process. In this case, try deleting the key and generating a new one