FLUX Alliance is a intergovernmental program to allow for efficient movement of frequent travellers across international borders of participating countries. Applicants to the program are evaluated in interviews by US Customs and Border Control and Dutch authorities, a security threat assessment is carried out, and biometric information is collected including fingerprints and eye imaging.

Similar to the NEXUS agreement between the US and Canada which coordinates their Global Entry

Global Entry

Global Entry is a program being piloted by U.S. Customs and Border Protection that allows pre-approved, low-risk travelers to receive expedited clearance upon arrival into the United States.-Enrollment:...

 and CANPASS Air programs, FLUX coordinates between the US Global Entry

Global Entry

Global Entry is a program being piloted by U.S. Customs and Border Protection that allows pre-approved, low-risk travelers to receive expedited clearance upon arrival into the United States.-Enrollment:...

 and Netherlands Privium programs. It is envisioned to include other countries as well; Canada has voiced interest as well as Germany, the United Kingdom, and Japan.

FLUX Alliance receives financial support from the European External Borders Fund Grenzeloze mogelijkheden.