Advance Passenger Information
For security reasons, the US, most EU States and other countries now require airlines to provide details about their passengers before they travel. This is known as Advance Passenger Information (API).
The API requirements vary from country to country. Providing your API should not be confused with applying for a visa. You will still need to follow the entry rules for every country you visit, as well as any customs and passport control regulations.
You may occasionally be asked for additional information, like the address of your first night’s stay. Your information will be taken either at the time of booking or by an automated passport reader during check-in.
In most cases, you may not be allowed to travel if you do not provide your API in the time required.
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