GlossaryEN1 min readUpdated: Jun 26, 2026
Advance Passenger Information Screening
Advance Passenger Information (API) screening is a border security procedure in which airlines electronically transmit passenger data to customs and immigration authorities before departure or arrival for matching against watchlists, sanctions databases, and risk profiles.
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Source: https://www.cbp.gov/travel/us-citizens/advance-passenger-information
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Definition & Explanation
Advance Passenger Information (API) screening is a border security procedure in which airlines electronically transmit passenger data to customs and immigration authorities before departure or arrival for matching against watchlists, sanctions databases, and risk profiles. This enables authorities to identify persons of concern and act before a border crossing occurs, rather than only upon arrival. The process relies on standardized data formats and interagency sharing protocols. API is mandatory in major aviation markets—including the United States (APIS), Canada, Australia, and the EU—though the scope of data required and enforcement intensity differ by jurisdiction. It should be distinguished from PNR (Passenger Name Record) screening: API covers travel document and flight data, while PNR focuses on booking-related information such as itinerary, seat, and payment details.
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