[10][11] On 21 July 2022, Palma made his European debut in the qualifying rounds of the UEFA Europa Conference League.
[12] Palma played a further 3 games in the Conference League until Aris was eliminated by Maccabi Tel Aviv.
[14] In his second season at the club, Palma attracted interest from various teams, including Belgian and Scottish giants Anderlecht and Rangers, with the former having had a €3,000,000 bid rejected, while the demands of Aris were higher by one million.
On 7 March 2021, Palma was selected for the squad of the Honduras U-23 team to participate in the Olympic Qualifying Championship.
[24] He made his debut for the senior national team on 7 October 2021 in a World Cup qualifier against Costa Rica, replacing Rigoberto Rivas in the second half.
Palma converted from the penalty spot in a 4–0 win against Grenada in the CONCACAF Nations League group stages.