diff --git a/api/src/legal-documents/domain/usecases/accept-legal-document-by-user-id.usecase.js b/api/src/legal-documents/domain/usecases/accept-legal-document-by-user-id.usecase.js
index 84fbfd37207..525c95a57c0 100644
--- a/api/src/legal-documents/domain/usecases/accept-legal-document-by-user-id.usecase.js
+++ b/api/src/legal-documents/domain/usecases/accept-legal-document-by-user-id.usecase.js
@@ -1,3 +1,4 @@
+import { withTransaction } from '../../../shared/domain/DomainTransaction.js';
 import { LegalDocumentService } from '../models/LegalDocumentService.js';
 import { LegalDocumentType } from '../models/LegalDocumentType.js';
 
@@ -13,31 +14,25 @@ const { TOS } = LegalDocumentType.VALUES;
  * @param {string} params.type - The type of the legal document.
  * @returns {Promise<void>} A promise that resolves when the operation is complete.
  */
-const acceptLegalDocumentByUserId = async ({
-  userId,
-  service,
-  type,
-  userRepository,
-  legalDocumentRepository,
-  userAcceptanceRepository,
-  logger,
-}) => {
-  LegalDocumentType.assert(type);
-  LegalDocumentService.assert(service);
+const acceptLegalDocumentByUserId = withTransaction(
+  async ({ userId, service, type, userRepository, legalDocumentRepository, userAcceptanceRepository, logger }) => {
+    LegalDocumentType.assert(type);
+    LegalDocumentService.assert(service);
 
-  // legacy document acceptance
-  if (type === TOS && service === PIX_ORGA) {
-    await userRepository.setPixOrgaCguByUserId(userId);
-  }
+    // legacy document acceptance
+    if (type === TOS && service === PIX_ORGA) {
+      await userRepository.setPixOrgaCguByUserId(userId);
+    }
 
-  // new document acceptance
-  const legalDocument = await legalDocumentRepository.findLastVersionByTypeAndService({ service, type });
-  if (!legalDocument) {
-    logger.warn(`No legal document found for service: ${service} and type: ${type}`);
-    return;
-  }
+    // new document acceptance
+    const legalDocument = await legalDocumentRepository.findLastVersionByTypeAndService({ service, type });
+    if (!legalDocument) {
+      logger.warn(`No legal document found for service: ${service} and type: ${type}`);
+      return;
+    }
 
-  await userAcceptanceRepository.create({ userId, legalDocumentVersionId: legalDocument.id });
-};
+    await userAcceptanceRepository.create({ userId, legalDocumentVersionId: legalDocument.id });
+  },
+);
 
 export { acceptLegalDocumentByUserId };
diff --git a/api/src/legal-documents/domain/usecases/create-legal-document.usecase.js b/api/src/legal-documents/domain/usecases/create-legal-document.usecase.js
index 0ddd01e2a9b..54bbe8f5662 100644
--- a/api/src/legal-documents/domain/usecases/create-legal-document.usecase.js
+++ b/api/src/legal-documents/domain/usecases/create-legal-document.usecase.js
@@ -1,3 +1,4 @@
+import { withTransaction } from '../../../shared/domain/DomainTransaction.js';
 import { LegalDocumentInvalidDateError } from '../errors.js';
 import { LegalDocumentService } from '../models/LegalDocumentService.js';
 import { LegalDocumentType } from '../models/LegalDocumentType.js';
@@ -11,7 +12,7 @@ import { LegalDocumentType } from '../models/LegalDocumentType.js';
  * @param {string} params.versionAt - Version date of the new legal document.
  * @returns {Promise<LegalDocument>} A promise that resolves the new legal document.
  */
-const createLegalDocument = async ({ service, type, versionAt, legalDocumentRepository }) => {
+const createLegalDocument = withTransaction(async ({ service, type, versionAt, legalDocumentRepository }) => {
   LegalDocumentService.assert(service);
   LegalDocumentType.assert(type);
 
@@ -22,6 +23,6 @@ const createLegalDocument = async ({ service, type, versionAt, legalDocumentRepo
   }
 
   return legalDocumentRepository.create({ service, type, versionAt });
-};
+});
 
 export { createLegalDocument };
diff --git a/api/tests/legal-documents/unit/domain/usecase/accept-legal-document-by-user-id.usecase.test.js b/api/tests/legal-documents/unit/domain/usecase/accept-legal-document-by-user-id.usecase.test.js
index 63c5959d38d..942c032cdea 100644
--- a/api/tests/legal-documents/unit/domain/usecase/accept-legal-document-by-user-id.usecase.test.js
+++ b/api/tests/legal-documents/unit/domain/usecase/accept-legal-document-by-user-id.usecase.test.js
@@ -3,12 +3,20 @@ import Joi from 'joi';
 import { LegalDocumentService } from '../../../../../src/legal-documents/domain/models/LegalDocumentService.js';
 import { LegalDocumentType } from '../../../../../src/legal-documents/domain/models/LegalDocumentType.js';
 import { usecases } from '../../../../../src/legal-documents/domain/usecases/index.js';
-import { expect } from '../../../../test-helper.js';
+import { DomainTransaction } from '../../../../../src/shared/domain/DomainTransaction.js';
+import { expect, sinon } from '../../../../test-helper.js';
 
 const { PIX_ORGA } = LegalDocumentService.VALUES;
 const { TOS } = LegalDocumentType.VALUES;
 
 describe('Unit | Legal documents | Domain | Use case | accept-legal-document-by-user-id', function () {
+  beforeEach(function () {
+    sinon.stub(DomainTransaction, 'execute');
+    DomainTransaction.execute.callsFake((fn) => {
+      return fn({});
+    });
+  });
+
   context('when the legal document type is invalid', function () {
     it('throws an error', async function () {
       // given
diff --git a/api/tests/legal-documents/unit/domain/usecase/create-legal-document.usecase.test.js b/api/tests/legal-documents/unit/domain/usecase/create-legal-document.usecase.test.js
index 40eb6ff9a90..a58b200fb04 100644
--- a/api/tests/legal-documents/unit/domain/usecase/create-legal-document.usecase.test.js
+++ b/api/tests/legal-documents/unit/domain/usecase/create-legal-document.usecase.test.js
@@ -3,12 +3,20 @@ import Joi from 'joi';
 import { LegalDocumentService } from '../../../../../src/legal-documents/domain/models/LegalDocumentService.js';
 import { LegalDocumentType } from '../../../../../src/legal-documents/domain/models/LegalDocumentType.js';
 import { usecases } from '../../../../../src/legal-documents/domain/usecases/index.js';
-import { expect } from '../../../../test-helper.js';
+import { DomainTransaction } from '../../../../../src/shared/domain/DomainTransaction.js';
+import { expect, sinon } from '../../../../test-helper.js';
 
 const { PIX_ORGA } = LegalDocumentService.VALUES;
 const { TOS } = LegalDocumentType.VALUES;
 
 describe('Unit | Legal documents | Domain | Use case | create-legal-document', function () {
+  beforeEach(function () {
+    sinon.stub(DomainTransaction, 'execute');
+    DomainTransaction.execute.callsFake((fn) => {
+      return fn({});
+    });
+  });
+
   context('when the legal document type is invalid', function () {
     it('throws an error', async function () {
       // given