curl --request POST \
  --url 'https://api.stateset.com/api/v1/currencies/convert' \
  --header "Authorization: Bearer $STATESET_API_KEY" \
  --header 'Content-Type: application/json' \
  --data '{
  "amount": "49.00",
  "base_currency": "USD",
  "quote_currency": "USD"
}'

{
  "base_currency": "USD",
  "converted_amount": "49.00",
  "original_amount": "49.00",
  "quote_currency": "USD",
  "rate": "string"
}