{
"production" => ["https://api.mastercard.com", nil],
"sandbox" => ["https://sandbox.api.mastercard.com", nil],
"sandbox_mtf" => ["https://sandbox.api.mastercard.com", "mtf"],
"sandbox_itf" => ["https://sandbox.api.mastercard.com", "itf"],
"stage" => ["https://stage.api.mastercard.com", nil],
"dev" => ["https://dev.api.mastercard.com", nil],
"production_mtf" => ["https://api.mastercard.com", "mtf"],
"production_itf" => ["https://api.mastercard.com", "itf"],
"stage_mtf" => ["https://stage.api.mastercard.com", "mtf"],
"stage_itf" => ["https://stage.api.mastercard.com", "itf"],
"localhost" => ["http://localhost:8081", nil]
}