> For the complete documentation index, see [llms.txt](https://andelf.gitbook.io/tron/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://andelf.gitbook.io/tron/tron-by-example/query-trc20-balance.md).

# Query TRC20 Balance

### Shell Script

NOTE: `T9yD14Nj9j7xAB4dbGeiX9h8unkKHxuWwb` is the empty address.

```bash
curl --request POST \
  --url https://api.trongrid.io/wallet/triggerconstantcontract \
  --header 'Content-Type: application/json' \
  --data '{"owner_address":"T9yD14Nj9j7xAB4dbGeiX9h8unkKHxuWwb","contract_address":"TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t","function_selector":"balanceOf(address)","parameter":"000000000000000000000041fc60a4397fe29674870e9a51cf3adc84d1457d48","visible":true}'
```