Are there restrictions on who can use Duffel Links - Search and Book? Ellen Scales 14 February 2023 22:17 Updated Today only those whose business is based in a country supported by Duffel Payments are eligible to use Duffel Links. Related articles Who will be the merchant of record on my customer’s card statement? Who will be able to use Duffel Links to book live flights? How will Duffel take payment from my customer? How much will it cost to use Duffel Links? In which countries is Duffel Payments available?