PolygonScan API PRO
PolygonScan API PRO 
is a monthly subscription-based API service that provides additional endpoints, higher rate limits and escalated support for power users and commercial solutions.
Among the endpoints available exclusively to API PRO include:
Get Token Info by ContractAddress
Get Polygon Daily Total Gas Used
Get Historical ERC20-Token Account Balance for TokenContractAddress by BlockNo
Get Historical POL Balance for a single Address By BlockNo
For a full list of endpoints available under the API PRO subscription, please refer to the API PRO endpoints.
API PRO endpoints are only available on the Polygon Chain mainnet, and are not available to any testnet explorers.
Upgrading to API PRO
To upgrade to a paid API Plan, head over to the APIs page and select a plan 🗺️ that suits your needs.
Once payment has been made, your API PRO keys will be made available to you within 1 - 2 business days.
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