3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Browser User IDuserId

Browser User ID in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 64 · Maximum length: 64

Baseline in AReq Conditional

Varies by context. Requirement or applicability varies by channel or message category. Select a specific context to resolve it. Usage and conditions ↓

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Usage in AReq

Identifier of the transacting user’s Browser Account ID. This identifier is a unique immutable hash of the user’s account identifier for the given Browser, provided as a string. Note: Cardholders may have more than one account on a given Browser. Refer to D026 in the SDK Device Information

Conditional inclusion — source text

Required if available.

Format and scope

Type: String · Length: Variable, maximum 64 · Maximum length: 64

Source components: 3DS Server. Channels: 02-BRW. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 215

Transaction context

This reference covers the published source edition. Use the explorer to inspect this field and any applicable transaction conditions. Scheme programme requirements are not inferred from the protocol edition.

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Sources and related references

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 215

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

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