Testnet BscScan

An API key generated on BscScan can be used for both BNB Smart Chain 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	Endpoint URL	Documentation
Mainnet	https://api.bscscan.com/api	https://docs.bscscan.com/
Testnet	https://api-testnet.bscscan.com/api	https://docs.bscscan.com/v/bscscan-testnet/

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