curl --location --request GET 'https://api.sandbox.velopayments.com//v1/supportedCountries'
{
"countries": [
{
"currencies": [
"USD",
"USD"
],
"isoCountryCode": "US"
},
{
"currencies": [
"USD",
"USD"
],
"isoCountryCode": "US"
}
]
}