3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

SPC Transaction DataspcTransData

Information that the 3DS Requestor passes in the SPC API for display in the Smart Modal Window

Explore this field with transaction context

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.

MessageBaseline inclusion
AResConditional

Conditional inclusion — source text

Required if Transaction Status = S

Related condition fields: transStatus.

Scoped FAQ qualifications

  • FAQ 27 — Applicable object-bearing protocol versions

    Only when the parent JSON object is present

    Evaluate nested presence conditions when the parent object is present. In multiTransaction, merchantList is required when the object is supplied; merchantAmount remains optional.

    EMVCo_3DS_Specification_FAQs_8-April-2026.pdf, page 9

  • FAQ 73 — Applicable object-bearing protocol versions

    An optional or conditionally optional field is sent empty

    An empty optional field produces error 203 under Req 309. When the empty JSON object contains mandatory data, error 201 may be returned.

    EMVCo_3DS_Specification_FAQs_8-April-2026.pdf, page 23

Format and scope

Type: Object

Source components
ACS, DS
Device channels
02-BRW
Message categories
01-PA, 02-NPA

Object members

Nested presence rules apply when the parent object is supplied. These structures include carried-forward curation; consult the source for full conditions.

challenge — Challenge

challengeInfoText — Challenge Information Text

currency — Currency

displayName — Display Name

icon — Icon

issuerImageSpc — Issuer Image SPC

payeeName — Payee Name

payeeOrigin — Payee Origin

psImageSpc — Payment System Image SPC

Version history

Field introduction tag: 2.3.1.1. 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 285

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

Source document fingerprint

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf

6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b

Official EMVCo specifications · Methodology and coverage limits