Hingst made her debut for the German national team in August 1996 against the Netherlands. One year later, she won her first international title at the 1997 European Championship. The final against Italy was her only game in the starting line-up. At the 1999 FIFA Women's World Cup, Hingst was Germany's youngest player in the squad, yet she started in all matches and scored one goal in a group match. The team was eliminated in the quarter-finals. At the 2000 Summer Olympics, Hingst won bronze with the German team. She scored after 88 minutes in the final first round match against Sweden, which secured Germany's first place in the group.