In January 2021, the Trump administration designated Ansarallah as a terrorist organization.
In February 2021, the Biden administration removed Ansarallah's terrorist designation.
In January 2024, five months after releasing a statement "Welcoming Talks in Saudi Arabia Advancing Yemen’s Peace Process", the Biden administration again designated Ansarallah as a terrorist organization.
In the meantime, the UN brokered a ceasefire between Yemen and Saudi Arabia in April 2022, China brokered a rapprochement between Saudi Arabia and Iran in March 2023, and peace talks are actively ongoing between Saudi Arabia and Yemen through Oman.