Amoy PolygonScan

An API key generated on PolygonScan can be used for both Polygon POS 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	URL	Documentation
Mainnet	https://api.polygonscan.com/api	https://docs.polygonscan.com
Amoy	https://api-amoy.polygonscan.com/api	https://docs.polygonscan.com/v/amoy-polygonscan

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