Browser User-AgentbrowserUserAgent

Message inclusion

Baseline inclusion. Effective requirements depend on transaction context. Check the field’s conditions and FAQ qualifications; select channel and category in the explorer.

Format and scope

Type: String · Length: Variable, maximum 2048 · Maximum length: 2048

Source components

3DS Server

Device channels

02-BRW

Message categories

01-PA, 02-NPA

Version history

No field introduction version is tagged in the dataset. Introduction tags are curated metadata, not a full history of changes. Compare versions and understand coverage.

Source and review status

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 214

Source review status: extracted. Carried-forward material has not acquired a new verification claim.

Official EMVCo specifications · Methodology and coverage limits