3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

ORes — Operation Response

The ORes message acknowledges receipt of the OReq message sequence.

Direction 3DS Server/ACS → DS

Full message description

The ORes message acknowledges receipt of the OReq message sequence. The message is created by the recipient of the OReq message sequence and sent to the source of the OReq message.

Explore ORes with context filters

9 top-level fields

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

FieldBaseline inclusion
acsReferenceNumberACS Reference NumberConditional
acsTransIDACS Transaction IDConditional
dsTransIDDS Transaction IDRequired
messageExtensionMessage ExtensionConditional
messageTypeMessage TypeRequired
messageVersionMessage Version NumberRequired
opStatusOperation Message StatusRequired
threeDSServerRefNumber3DS Server Reference NumberConditional
threeDSServerTransID3DS Server Transaction IDConditional

Source

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf · Section 2.4.10, Table B.11

Official EMVCo specifications · Coverage and review limits