Endpoint URLs

An API key generated on PolygonScan can be used for both Polygon POS Chain mainnet and Mumbai 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
Testnet	https://api-testnet.polygonscan.com/api	https://docs.polygonscan.com/v/mumbai-polygonscan