Cardona Polygon zkEVM

An API key generated on PolygonScan can be used for both Polygon zkEVMChain mainnet and testnet explorers 🏗️ .

Similarly, all endpoints and parameter formatting remain the same across testnet explorers, you are only required to change the relevant API endpoint URL as follows.

Network	URL	Documentation
Mainnet	https://api-zkevm.polygonscan.com/api	https://docs.polygonscan.com/v/polygon-zkevm
Cardona	https://api-cardona-zkevm.polygonscan.com/api	https://docs.polygonscan.com/v/cardona-polygon-zkevm/

Source attribution via a backlink or a mention that your app is "Powered by PolygonScan APIs" is required except for personal/private usage.