AIPAC, under Howard Kohr's leadership, used United Against Nuclear Iran (UANI) as a front organization to conduct lobbying and advocacy campaigns against the Iran nuclear deal. UANI's activities were coordinated with AIPAC but presented as independent efforts to avoid direct attribution to AIPAC's lobbying machine.

Paul Singer's Paul E. Singer Family Foundation made undisclosed payments to United Against Nuclear Iran (UANI) through a cutout organization, the 'Foundation for Defense of Democracies,' to fund lobbying efforts for sanctions against Iran. The payments, totaling over $3 million between 2013 and 2015, were not disclosed in the foundation's IRS filings until investigative reports by The Intercept (2018) traced the funding flows. UANI's campaigns were later cited by lawmakers as justification for imposing sanctions on Iran.

Lindsey Graham received undisclosed payments from United Against Nuclear Iran (UANI) for appearances and advocacy work, including speeches and media interviews. These payments were not disclosed in Graham's financial disclosures or public schedules. Internal UANI documents, obtained by The Intercept in 2021, show that Graham was paid $75,000 for a series of appearances in 2017, where he advocated for U.S. military action against Iran. UANI is funded by major defense contractors and pro-Israel donors.