While the White House insists it is targeting hardened criminals, the use of masked, heavily armed men to snatch people from streets, homes and workplaces has caused widespread shock.
Applicants would also have to complete other "high-value data fields" including phone numbers from the last five years, email addresses from the past decade, personal details of family members and biometric information.
Alongside its diplomatic push, Ankara is assessing additional security precautions along its border with Iran if a US strike destabilises the country, a senior Turkish official told AFP.