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Under the Visa Waiver Program (VWP), citizens of certain countries may travel to the United States for tourism or business purposes—for stays of 90 days or less—without obtaining a visa. Please note that there are certain passport requirements when using the VWP.
Visa Waiver Program
Electronic System for Travel Authorization
Anyone traveling under the Visa Waiver Program must apply for "Travel Authorization" online using the the Electronic System for Travel Authorization (ESTA). Travelers must apply for "Travel Authorization" at least 72 hours before travel to the United States.
Electronic System for Travel Authorization Process
The Office of Biometric Identity Management (OBIM), formerly US-VISIT, analyzes travelers to the United States by collecting biographic information and biometrics (i.e., digital fingerprints and photographs). More information about OBIM is available online.
Office of Biometric Identity Management
Information for international visitors to the United States including travel tips, prohibited and restricted items, what to declare at customs, and online arrival/departure forms.
CBP For International Visitors
DHS TRIP is a central point of contact for international travelers "who experience repeated referrals for security screenings or who believe that they have been denied boarding or entry into the United States because of inaccurate or incorrect information."
DHS TRIP Website