diff --git a/apps/api-gateway/src/oid4vc-verification/dtos/create-intent-based-verification.dto.ts b/apps/api-gateway/src/oid4vc-verification/dtos/create-intent-based-verification.dto.ts
index 10ca553d6..8d329ea7c 100644
--- a/apps/api-gateway/src/oid4vc-verification/dtos/create-intent-based-verification.dto.ts
+++ b/apps/api-gateway/src/oid4vc-verification/dtos/create-intent-based-verification.dto.ts
@@ -1,15 +1,8 @@
 import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
 import { IsDefined, IsEnum, IsOptional, IsString, ValidateNested } from 'class-validator';
 import { Type } from 'class-transformer';
-import { SignerOption } from '@prisma/client';
 import { ResponseMode } from '@credebl/enum/enum';
-
-class RequestSignerDto {
-  @ApiProperty({ enum: SignerOption, example: SignerOption.DID })
-  @IsDefined()
-  @IsEnum(SignerOption)
-  method: SignerOption;
-}
+import { RequestSignerDto } from './oid4vc-verifier-presentation.dto';
 
 export class CreateIntentBasedVerificationDto {
   @ApiProperty({ description: 'Intent name to lookup template for', example: 'kyc-intent' })
diff --git a/apps/api-gateway/src/oid4vc-verification/dtos/oid4vc-verifier-presentation.dto.ts b/apps/api-gateway/src/oid4vc-verification/dtos/oid4vc-verifier-presentation.dto.ts
index 1025a51b4..cf502af68 100644
--- a/apps/api-gateway/src/oid4vc-verification/dtos/oid4vc-verifier-presentation.dto.ts
+++ b/apps/api-gateway/src/oid4vc-verification/dtos/oid4vc-verifier-presentation.dto.ts
@@ -15,7 +15,7 @@ import {
   Matches
 } from 'class-validator';
 import { Type } from 'class-transformer';
-import { ResponseMode } from '@credebl/enum/enum';
+import { ClientIdPrefix, ResponseMode } from '@credebl/enum/enum';
 import { SignerOption } from '@prisma/client';
 
 /**
@@ -300,17 +300,27 @@ export class OnlyOneOfConstraint implements ValidatorConstraintInterface {
   }
 }
 
+export class RequestSignerDto {
+  @ApiProperty({ enum: SignerOption, example: SignerOption.DID })
+  @IsDefined()
+  @IsEnum(SignerOption)
+  method: SignerOption;
+
+  @ApiPropertyOptional({ enum: ClientIdPrefix, example: ClientIdPrefix.X509Hash })
+  @IsOptional()
+  @IsEnum(ClientIdPrefix)
+  clientIdPrefix?: ClientIdPrefix;
+}
+
 export class PresentationRequestDto {
-  @ApiPropertyOptional({
-    example: {
-      method: 'DID'
-    },
-    description: 'Signer option type'
+  @ApiProperty({
+    type: RequestSignerDto,
+    description: 'Request signer option'
   })
-  @IsOptional()
-  requestSigner?: {
-    method: SignerOption;
-  };
+  @IsDefined()
+  @ValidateNested()
+  @Type(() => RequestSignerDto)
+  requestSigner: RequestSignerDto;
 
   @ApiPropertyOptional({
     type: PresentationExchangeDto,
diff --git a/apps/api-gateway/src/oid4vc-verification/oid4vc-verification.service.ts b/apps/api-gateway/src/oid4vc-verification/oid4vc-verification.service.ts
index a8640e312..90c44d14b 100644
--- a/apps/api-gateway/src/oid4vc-verification/oid4vc-verification.service.ts
+++ b/apps/api-gateway/src/oid4vc-verification/oid4vc-verification.service.ts
@@ -26,8 +26,7 @@ export class Oid4vcVerificationService {
     userDetails: user
   ): Promise<object> {
     const { intent, responseMode, requestSigner } = createIntentDto;
-    const signerOption = requestSigner?.method;
-    const payload = { orgId, verifierId, intent, responseMode, signerOption, userDetails };
+    const payload = { orgId, verifierId, intent, responseMode, requestSigner, userDetails };
     this.logger.debug(
       `[createIntentBasedVerificationPresentation] Called with orgId=${orgId}, verifierId=${verifierId}, intent=${intent}, user=${userDetails?.id}`
     );
diff --git a/apps/oid4vc-verification/interfaces/oid4vp-verification-sessions.interfaces.ts b/apps/oid4vc-verification/interfaces/oid4vp-verification-sessions.interfaces.ts
index 381c96470..974b03986 100644
--- a/apps/oid4vc-verification/interfaces/oid4vp-verification-sessions.interfaces.ts
+++ b/apps/oid4vc-verification/interfaces/oid4vp-verification-sessions.interfaces.ts
@@ -1,4 +1,4 @@
-import { SignerMethodOption } from '@credebl/enum/enum';
+import { ClientIdPrefix, SignerMethodOption } from '@credebl/enum/enum';
 
 export interface Oid4vpPresentationWh {
   id: string;
@@ -19,6 +19,7 @@ export interface X5cSigner {
   method: SignerMethodOption.X5C;
   x5c: string[];
   keyId: string;
+  clientIdPrefix?: ClientIdPrefix;
 }
 
 export type RequestSigner = DidSigner | X5cSigner;
diff --git a/apps/oid4vc-verification/src/oid4vc-verification.controller.ts b/apps/oid4vc-verification/src/oid4vc-verification.controller.ts
index cac03af7a..52ae1ee7d 100644
--- a/apps/oid4vc-verification/src/oid4vc-verification.controller.ts
+++ b/apps/oid4vc-verification/src/oid4vc-verification.controller.ts
@@ -1,7 +1,12 @@
 import { Controller, Logger } from '@nestjs/common';
 import { Oid4vpVerificationService } from './oid4vc-verification.service';
-import { SignerOption, user } from '@prisma/client';
-import { CreateVerifier, IPresentationRequest, UpdateVerifier } from '@credebl/common/interfaces/oid4vp-verification';
+import { user } from '@prisma/client';
+import {
+  CreateVerifier,
+  IPresentationRequest,
+  IRequestSigner,
+  UpdateVerifier
+} from '@credebl/common/interfaces/oid4vp-verification';
 import { MessagePattern } from '@nestjs/microservices';
 import { VerificationSessionQuery } from '../interfaces/oid4vp-verifier.interfaces';
 import { Oid4vpPresentationWh } from '../interfaces/oid4vp-verification-sessions.interfaces';
@@ -102,10 +107,10 @@ export class Oid4vpVerificationController {
     verifierId: string;
     intent: string;
     responseMode: string;
-    signerOption: SignerOption;
+    requestSigner: IRequestSigner;
     userDetails: user;
   }): Promise<object> {
-    const { orgId, verifierId, intent, responseMode, signerOption, userDetails } = payload;
+    const { orgId, verifierId, intent, responseMode, requestSigner, userDetails } = payload;
     this.logger.debug(
       `[createIntentBasedVerificationPresentation] Received 'oid4vp-intent-based-verification-presentation' for orgId=${orgId}, verifierId=${verifierId}, intent=${intent}, user=${userDetails?.id ?? 'unknown'}`
     );
@@ -114,7 +119,7 @@ export class Oid4vpVerificationController {
       verifierId,
       intent,
       responseMode,
-      signerOption,
+      requestSigner,
       userDetails
     );
   }
diff --git a/apps/oid4vc-verification/src/oid4vc-verification.service.ts b/apps/oid4vc-verification/src/oid4vc-verification.service.ts
index 1884abb7f..3c8862d19 100644
--- a/apps/oid4vc-verification/src/oid4vc-verification.service.ts
+++ b/apps/oid4vc-verification/src/oid4vc-verification.service.ts
@@ -21,7 +21,12 @@ import { ClientProxy, RpcException } from '@nestjs/microservices';
 import { getAgentUrl } from '@credebl/common/common.utils';
 import { SignerOption, user } from '@prisma/client';
 import { map } from 'rxjs';
-import { CreateVerifier, UpdateVerifier, VerifierRecord } from '@credebl/common/interfaces/oid4vp-verification';
+import {
+  CreateVerifier,
+  IRequestSigner,
+  UpdateVerifier,
+  VerifierRecord
+} from '@credebl/common/interfaces/oid4vp-verification';
 import { buildUrlWithQuery } from '@credebl/common/cast.helper';
 import { VerificationSessionQuery } from '../interfaces/oid4vp-verifier.interfaces';
 import { BaseService } from 'libs/service/base.service';
@@ -249,7 +254,8 @@ export class Oid4vpVerificationService extends BaseService {
         requestSigner = {
           method: SignerMethodOption.X5C, // "x5c"
           x5c: [activeCertificate.certificateBase64], // array with PEM/DER base64
-          keyId: activeCertificate.keyId
+          keyId: activeCertificate.keyId,
+          clientIdPrefix: sessionRequest.requestSigner.clientIdPrefix
         };
       } else if (sessionRequest.requestSigner.method === SignerOption.X509_ED25519) {
         this.logger.debug('X5C based request signer method selected');
@@ -268,7 +274,8 @@ export class Oid4vpVerificationService extends BaseService {
         requestSigner = {
           method: SignerMethodOption.X5C, // "x5c"
           x5c: [activeCertificate.certificateBase64], // array with PEM/DER base64
-          keyId: activeCertificate.keyId
+          keyId: activeCertificate.keyId,
+          clientIdPrefix: sessionRequest.requestSigner.clientIdPrefix
         };
       } else {
         throw new BadRequestException(`Unsupported requestSigner method: ${sessionRequest.requestSigner.method}`);
@@ -300,7 +307,7 @@ export class Oid4vpVerificationService extends BaseService {
     verifierId: string,
     intent: string,
     responseMode: string,
-    signerOption: SignerOption,
+    requestSigner: IRequestSigner,
     userDetails: user
   ): Promise<object> {
     this.logger.debug(
@@ -348,6 +355,7 @@ export class Oid4vpVerificationService extends BaseService {
 
       // Handle request signer based on method
       let resolvedSigner: RequestSigner | undefined;
+      const signerOption = requestSigner?.method;
 
       if (signerOption === SignerOption.DID) {
         resolvedSigner = {
@@ -372,7 +380,8 @@ export class Oid4vpVerificationService extends BaseService {
         resolvedSigner = {
           method: SignerMethodOption.X5C,
           x5c: [activeCertificate.certificateBase64],
-          keyId: activeCertificate.keyId
+          keyId: activeCertificate.keyId,
+          clientIdPrefix: requestSigner.clientIdPrefix // Pass through clientIdPrefix if provided
         };
       } else {
         throw new BadRequestException(`Unsupported requestSigner method: ${signerOption}`);
diff --git a/libs/common/src/interfaces/oid4vp-verification.ts b/libs/common/src/interfaces/oid4vp-verification.ts
index e93cdd81e..91f54da7f 100644
--- a/libs/common/src/interfaces/oid4vp-verification.ts
+++ b/libs/common/src/interfaces/oid4vp-verification.ts
@@ -1,3 +1,6 @@
+import { ClientIdPrefix } from '@credebl/enum/enum';
+import { SignerOption } from '@prisma/client';
+
 export interface ClientMetadata {
   client_name: string;
   logo_uri: string;
@@ -36,7 +39,8 @@ export enum OpenId4VcVerificationPresentationState {
  * Request signer configuration for OID4VP verification presentations
  */
 export interface IRequestSigner {
-  method: string; // SignerOption enum value: 'DID', 'X509_P256', 'X509_ED25519'
+  method: SignerOption; // SignerOption enum value: 'DID', 'X509_P256', 'X509_ED25519',
+  clientIdPrefix?: ClientIdPrefix;
 }
 
 /**
diff --git a/libs/enum/src/enum.ts b/libs/enum/src/enum.ts
index a0a8e0f0d..973820194 100755
--- a/libs/enum/src/enum.ts
+++ b/libs/enum/src/enum.ts
@@ -394,3 +394,8 @@ export enum NotificationStatus {
   DATA_PURGED_AND_NOTIFIED_WITH_FCM = 'DataPurgedAndNotifiedWithFCM',
   NOTIFICATION_CONSUMED = 'NotificationConsumed'
 }
+
+export enum ClientIdPrefix {
+  X509SanDns = 'x509_san_dns',
+  X509Hash = 'x509_hash'
+}