Get coinbase wallet information by using API keys to your coinbase account, needs permission: "wallet:accounts:read"

CheckCoinbaseBalance.ps1

$cb_key = ""
$cb_secret = ""

$timestamp = (Invoke-RestMethod -Uri "https://api.coinbase.com/v2/time").data.epoch
$cb_message = "$timestamp" + "GET/v2/accounts"

$hmacsha = New-Object System.Security.Cryptography.HMACSHA256
$hmacsha.key = [Text.Encoding]::UTF8.GetBytes($cb_secret)
$signature = ([System.BitConverter]::ToString($hmacsha.ComputeHash([Text.Encoding]::UTF8.GetBytes($cb_message))) -replace "-").ToLower()

$headers = @{"CB-ACCESS-KEY" = "$cb_key"; "CB-ACCESS-SIGN" = "$signature"; "CB-ACCESS-TIMESTAMP" = "$timestamp"}
$cb_wallets = (Invoke-RestMethod -Uri "https://api.coinbase.com/v2/accounts" -Method "GET" -Headers $headers).data

#$cb_wallets - Coinbase Wallet information