According to L'Équipe, there is international interest surrounding Gauthier Hein. The publication reports that the player is courted in the United States and in Europe, and is the most decisive player for Metz in Ligue 1.

Gauthier Hein, a 29-year-old French winger, is a target for San José Earthquakes. No contact has been initiated yet, but San José Earthquakes could soon make an offer for the player. Hein is under contract with Metz until 2028 and has scored 5 goals and provided 4 assists in 15 Ligue 1 appearances this season. His current market value is €5.00m, according to Transfermarkt. Dallas has also been linked with the player.