ERC20 Balances – Using EtherScan API for ERC20 Token Balance

As previously mentioned it doesn't appear possible using etherscan. But it's possible using the (free) ethexplorer.io API.

The format is:

http://api.ethplorer.io/getAddressInfo/[YOUR_ADDRESS]?apiKey=freekey

For example:

http://api.ethplorer.io/getAddressInfo/0x32Be343B94f860124dC4fEe278FDCBD38C102D88?apiKey=freekey

API documentation is here:

https://github.com/EverexIO/Ethplorer/wiki/Ethplorer-API

Website:

https://ethplorer.io

The result from the Etherscan GET request's response must be divided by 10¹⁸.

As answered in this post regarding ERC20 tokens decimal places, "Most ERC20 tokens should follow the pattern of using 18 decimal places for their token."

This applies to Ether itself. Therefore, the result response of 86354095000000000 is equal to 0.086354095 Ether.

(86354095000000000/(10¹⁸)) = 0.086354095