curl --location --request POST 'https://your-api-domain.com/api/v1/open/location/list' \
--header 'RT-AccessCode: YOUR_ACCESS_CODE' \
--header 'RT-SecretKey: YOUR_SECRET_KEY' \
--header 'Content-Type: application/json' \
--data '{}'

{
    "errorCode": null,
    "errorMsg": null,
    "success": true,
    "obj": [
        {
            "locationCode": "TH",
            "locationName": "Thailand",
            "locationLogo": "https://static.redteago.com/img/logos/ThailandFlag.png"
        },
        {
            "locationCode": "JP",
            "locationName": "Japan",
            "locationLogo": "https://static.redteago.com/img/logos/JapanFlag.png"
        },
        {
            "locationCode": "US",
            "locationName": "United States",
            "locationLogo": "https://static.redteago.com/img/logos/UnitedStatesFlag.png"
        },
        {
            "locationCode": "!RG",
            "locationName": "Regional",
            "locationLogo": null
        },
        {
            "locationCode": "!GL",
            "locationName": "Global",
            "locationLogo": null
        }
    ]
}

// Fetch supported regions
const response = await fetch('https://your-api-domain.com/api/v1/open/location/list', {
    method: 'POST',
    headers: {
        'RT-AccessCode': 'YOUR_ACCESS_CODE',
        'RT-SecretKey': 'YOUR_SECRET_KEY',
        'Content-Type': 'application/json'
    },
    body: JSON.stringify({})
});
const data = await response.json();
 
// Build dropdown options
const countryOptions = data.obj
    .filter(loc => !loc.locationCode.startsWith('!'))
    .map(location => ({
        value: location.locationCode,
        label: location.locationName,
        logo: location.locationLogo
    }));
 
// Add regional options
const specialOptions = data.obj
    .filter(loc => loc.locationCode.startsWith('!'))
    .map(location => ({
        value: location.locationCode,
        label: location.locationName
    }));
 
// Combine all options
const allOptions = [
    { type: 'group', label: 'Single Country', options: countryOptions },
    { type: 'group', label: 'Multi-Country', options: specialOptions }
];