diff --git a/apps/issuance/interfaces/issuance.interfaces.ts b/apps/issuance/interfaces/issuance.interfaces.ts
index 0c3ee7817..cce6a5063 100644
--- a/apps/issuance/interfaces/issuance.interfaces.ts
+++ b/apps/issuance/interfaces/issuance.interfaces.ts
@@ -316,7 +316,17 @@ export interface IQueuePayload{
   isRetry: boolean;
   isLastData: boolean;
 }
+export interface ISchemaAttributes {
+  attributeName: string;
+  schemaDataType: string;
+  displayName: string;
+  isRequired: boolean;
+}
+
+export interface IIssuanceAttributes {
+  [key: string]: string;
+}
 export interface IDeletedFileUploadRecords {
   deleteFileDetails: Prisma.BatchPayload;
   deleteFileUploadDetails: Prisma.BatchPayload;
-}
\ No newline at end of file
+}
diff --git a/apps/issuance/libs/helpers/attributes.validator.ts b/apps/issuance/libs/helpers/attributes.validator.ts
new file mode 100644
index 000000000..b91dac72d
--- /dev/null
+++ b/apps/issuance/libs/helpers/attributes.validator.ts
@@ -0,0 +1,55 @@
+import { BadRequestException } from '@nestjs/common';
+import { IIssuanceAttributes, ISchemaAttributes } from 'apps/issuance/interfaces/issuance.interfaces';
+
+export function validateW3CSchemaAttributes(
+  filteredIssuanceAttributes: IIssuanceAttributes,
+  schemaUrlAttributes: ISchemaAttributes[]
+): void {
+  const mismatchedAttributes: string[] = [];
+  const missingAttributes: string[] = [];
+  const extraAttributes: string[] = [];
+
+  const schemaAttributesSet = new Set(schemaUrlAttributes.map((attr) => attr.attributeName));
+
+  for (const schemaAttribute of schemaUrlAttributes) {
+    const { attributeName, schemaDataType, isRequired } = schemaAttribute;
+    const attributeValue = filteredIssuanceAttributes[attributeName];
+
+    if (isRequired && attributeValue === undefined) {
+      missingAttributes.push(`Attribute ${attributeName} is missing`);
+      continue;
+    }
+
+    if (isRequired && !attributeValue) {
+      mismatchedAttributes.push(`Attribute ${attributeName} must have a non-empty value`);
+      continue;
+    }
+
+    if (attributeValue !== undefined) {
+      const actualType = typeof attributeValue;
+      if (actualType !== schemaDataType) {
+        mismatchedAttributes.push(
+          `Attribute ${attributeName} has type ${actualType} but expected type ${schemaDataType}`
+        );
+      }
+    }
+  }
+
+  for (const attributeName in filteredIssuanceAttributes) {
+    if (!schemaAttributesSet.has(attributeName)) {
+      extraAttributes.push(`Attribute ${attributeName} is not defined in the schema`);
+    }
+  }
+
+  if (0 < missingAttributes.length) {
+    throw new BadRequestException(`Validation failed: ${missingAttributes.join(', ')}`);
+  }
+
+  if (0 < mismatchedAttributes.length) {
+    throw new BadRequestException(`Validation failed: ${mismatchedAttributes.join(', ')}`);
+  }
+
+  if (0 < extraAttributes.length) {
+    throw new BadRequestException(`Validation failed: ${extraAttributes.join(', ')}`);
+  }
+}
diff --git a/apps/issuance/src/issuance.repository.ts b/apps/issuance/src/issuance.repository.ts
index 483b39f65..37bdd1674 100644
--- a/apps/issuance/src/issuance.repository.ts
+++ b/apps/issuance/src/issuance.repository.ts
@@ -252,6 +252,21 @@ export class IssuanceRepository {
     }
   }
 
+  async getSchemaDetails(schemaId: string): Promise<schema> {
+    try {
+      const schemaDetails = await this.prisma.schema.findFirstOrThrow({
+        where: {
+          schemaLedgerId: schemaId
+        }
+      });
+
+      return schemaDetails;
+    } catch (error) {
+      this.logger.error(`Error in get schema details: ${error.message}`);
+      throw new InternalServerErrorException(error.message);
+    }
+  }
+  
   async getCredentialDefinitionDetails(credentialDefinitionId: string): Promise<SchemaDetails> {
     try {
       const credentialDefinitionDetails = await this.prisma.credential_definition.findFirst({
diff --git a/apps/issuance/src/issuance.service.ts b/apps/issuance/src/issuance.service.ts
index 195c191ac..4d3d634dc 100644
--- a/apps/issuance/src/issuance.service.ts
+++ b/apps/issuance/src/issuance.service.ts
@@ -8,7 +8,7 @@ import { CommonConstants } from '@credebl/common/common.constant';
 import { ResponseMessages } from '@credebl/common/response-messages';
 import { ClientProxy, RpcException } from '@nestjs/microservices';
 import { map } from 'rxjs';
-import { CredentialOffer, FileUpload, FileUploadData, IAttributes, IClientDetails, ICreateOfferResponse, ICredentialPayload, IIssuance, IIssueData, IPattern, IQueuePayload, ISendOfferNatsPayload, ImportFileDetails, IssueCredentialWebhookPayload, OutOfBandCredentialOfferPayload, PreviewRequest, SchemaDetails, SendEmailCredentialOffer, TemplateDetailsInterface } from '../interfaces/issuance.interfaces';
+import { CredentialOffer, FileUpload, FileUploadData, IAttributes, IClientDetails, ICreateOfferResponse, ICredentialPayload, IIssuance, IIssueData, IPattern, IQueuePayload, ISchemaAttributes, ISendOfferNatsPayload, ImportFileDetails, IssueCredentialWebhookPayload, OutOfBandCredentialOfferPayload, PreviewRequest, SchemaDetails, SendEmailCredentialOffer, TemplateDetailsInterface } from '../interfaces/issuance.interfaces';
 import { IssuanceProcessState, OrgAgentType, PromiseResult, SchemaType, TemplateIdentifier } from '@credebl/enum/enum';
 import * as QRCode from 'qrcode';
 import { OutOfBandIssuance } from '../templates/out-of-band-issuance.template';
@@ -33,6 +33,7 @@ import { RecordType, agent_invitations, organisation, user } from '@prisma/clien
 import { createOobJsonldIssuancePayload, validateEmail } from '@credebl/common/cast.helper';
 import { sendEmail } from '@credebl/common/send-grid-helper-file';
 import { UserActivityRepository } from 'libs/user-activity/repositories';
+import { validateW3CSchemaAttributes } from '../libs/helpers/attributes.validator';
 
 @Injectable()
 export class IssuanceService {
@@ -61,6 +62,21 @@ export class IssuanceService {
     }
   }
 
+  async getW3CSchemaAttributes(schemaUrl: string): Promise<ISchemaAttributes[]> {
+    const schemaRequest = await this.commonService.httpGet(schemaUrl).then(async (response) => response);
+    if (!schemaRequest) {
+      throw new NotFoundException(ResponseMessages.schema.error.W3CSchemaNotFOund, {
+        cause: new Error(),
+        description: ResponseMessages.errorMessages.notFound
+      });
+    } 
+
+      const getSchemaDetails = await this.issuanceRepository.getSchemaDetails(schemaUrl);
+      const schemaAttributes = JSON.parse(getSchemaDetails?.attributes);
+
+      return schemaAttributes;
+  }
+
   async sendCredentialCreateOffer(payload: IIssuance): Promise<ICredentialOfferResponse> {
     try {
       const { orgId, credentialDefinitionId, comment, credentialData } = payload || {};
@@ -136,6 +152,15 @@ export class IssuanceService {
             autoAcceptCredential: payload.autoAcceptCredential || 'always',
             comment: comment || ''
           };
+          const payloadAttributes = issueData?.credentialFormats?.jsonld?.credential?.credentialSubject;
+
+          // eslint-disable-next-line @typescript-eslint/no-unused-vars
+          const { id, ...filteredIssuanceAttributes } = payloadAttributes;
+
+          const schemaServerUrl = issueData?.credentialFormats?.jsonld?.credential?.['@context']?.[1];
+
+          const schemaUrlAttributes = await this.getW3CSchemaAttributes(schemaServerUrl);
+          validateW3CSchemaAttributes(filteredIssuanceAttributes, schemaUrlAttributes);
         }
 
         await this.delay(500);
@@ -147,9 +172,9 @@ export class IssuanceService {
       const processedResults = results.map((result) => {
         if (PromiseResult.REJECTED === result.status) {
           return {
-            statusCode: result?.reason?.status?.message?.statusCode,
-            message: result?.reason?.status?.message?.error?.message,
-            error: ResponseMessages.errorMessages.serverError
+            statusCode: result?.reason?.status?.message?.statusCode || result?.reason?.response?.statusCode,
+            message: result?.reason?.status?.message?.error?.message || result?.reason?.response?.message,
+            error: result?.reason?.response?.error || ResponseMessages.errorMessages.serverError
           };
         } else if (PromiseResult.FULFILLED === result.status) {
           return {
@@ -299,6 +324,16 @@ export class IssuanceService {
           comment: comment || '',
           invitationDid:invitationDid || undefined
         };
+        const payloadAttributes = issueData?.credentialFormats?.jsonld?.credential?.credentialSubject;
+
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const { id, ...filteredIssuanceAttributes } = payloadAttributes;
+
+        const schemaServerUrl = issueData?.credentialFormats?.jsonld?.credential?.['@context']?.[1];
+
+        const schemaUrlAttributes = await this.getW3CSchemaAttributes(schemaServerUrl);
+        validateW3CSchemaAttributes(filteredIssuanceAttributes, schemaUrlAttributes);
+        
       }
       const credentialCreateOfferDetails = await this._outOfBandCredentialOffer(issueData, url, orgId);
       if (isShortenUrl) {
@@ -316,7 +351,7 @@ export class IssuanceService {
       const errorStack = error?.status?.message?.error;
       if (errorStack) {
         throw new RpcException({
-          message: errorStack?.reason ? errorStack?.reason : errorStack,
+          message: errorStack?.reason ? errorStack?.reason : errorStack?.message,
           statusCode: error?.status?.code
         });
 
@@ -716,6 +751,17 @@ async sendEmailForCredentialOffer(sendEmailCredentialOffer: SendEmailCredentialO
         label: organisation?.name,
         imageUrl: organisation?.logoUrl || outOfBandCredential?.imageUrl
       };
+
+      const payloadAttributes = outOfBandIssuancePayload?.credentialFormats?.jsonld?.credential?.credentialSubject;
+
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
+      const { id, ...filteredIssuanceAttributes } = payloadAttributes;
+
+      const schemaServerUrl = outOfBandIssuancePayload?.credentialFormats?.jsonld?.credential?.['@context']?.[1];
+
+      const schemaUrlAttributes = await this.getW3CSchemaAttributes(schemaServerUrl);
+      validateW3CSchemaAttributes(filteredIssuanceAttributes, schemaUrlAttributes);
+
     }
 
     const credentialCreateOfferDetails = await this._outOfBandCredentialOffer(outOfBandIssuancePayload, url, orgId);
@@ -768,13 +814,18 @@ async sendEmailForCredentialOffer(sendEmailCredentialOffer: SendEmailCredentialO
     if (errorStack) {
       errors.push(
         new RpcException({
-          error: `${errorStack?.error?.message} at position ${iterationNo}`,
           statusCode: errorStack?.statusCode,
-          message: `${ResponseMessages.issuance.error.walletError} at position ${iterationNo}`
+          message: `${ResponseMessages.issuance.error.walletError} at position ${iterationNo}`,
+          error: `${errorStack?.error?.message} at position ${iterationNo}`        })
+      );
+    }  else {
+      errors.push(
+        new RpcException({
+          statusCode: error?.response?.statusCode,
+          message: `${error?.response?.message} at position ${iterationNo}`,
+          error: error?.response?.error
         })
       );
-    } else {
-      errors.push(new InternalServerErrorException(`${error.message} at position ${iterationNo}`));
     }
     return false;
   }