diff --git a/api/src/channel/lib/__test__/common.mock.ts b/api/src/channel/lib/__test__/common.mock.ts
index a45304b5..9bceceae 100644
--- a/api/src/channel/lib/__test__/common.mock.ts
+++ b/api/src/channel/lib/__test__/common.mock.ts
@@ -117,7 +117,7 @@ export const contentMessage: StdOutgoingListMessage = {
       desc: 'About being first',
       thumbnail: {
         type: 'image',
-        payload: { attachment_id: attachment.id },
+        payload: { id: attachment.id },
       },
       getPayload() {
         return this.title;
@@ -133,7 +133,7 @@ export const contentMessage: StdOutgoingListMessage = {
       desc: 'About being second',
       thumbnail: {
         type: 'image',
-        payload: { attachment_id: attachment.id },
+        payload: { id: attachment.id },
       },
       getPayload() {
         return this.title;
@@ -153,7 +153,7 @@ export const contentMessage: StdOutgoingListMessage = {
 export const attachmentMessage: StdOutgoingAttachmentMessage = {
   attachment: {
     type: FileType.image,
-    payload: { attachment_id: attachment.id },
+    payload: { id: attachment.id },
   },
   quickReplies: [
     {
diff --git a/api/src/chat/repositories/block.repository.ts b/api/src/chat/repositories/block.repository.ts
index 31b0bacd..f7a50609 100644
--- a/api/src/chat/repositories/block.repository.ts
+++ b/api/src/chat/repositories/block.repository.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -57,7 +57,7 @@ export class BlockRepository extends BaseRepository<
       'url' in block.message.attachment.payload
     ) {
       this.logger?.error(
-        'NOTE: `url` payload has been deprecated in favor of `attachment_id`',
+        'NOTE: `url` payload has been deprecated in favor of `id`',
         block.name,
       );
     }
diff --git a/api/src/chat/schemas/types/attachment.ts b/api/src/chat/schemas/types/attachment.ts
index 7c5ea4c4..0a3afe28 100644
--- a/api/src/chat/schemas/types/attachment.ts
+++ b/api/src/chat/schemas/types/attachment.ts
@@ -15,8 +15,8 @@ export enum FileType {
 }
 
 export type AttachmentForeignKey = {
-  attachment_id: string | null;
-  /** @deprecated use "attachment_id" instead */
+  id: string | null;
+  /** @deprecated use "id" instead */
   url?: string;
 };
 
diff --git a/api/src/chat/services/block.service.spec.ts b/api/src/chat/services/block.service.spec.ts
index 48c59eb8..e81840bb 100644
--- a/api/src/chat/services/block.service.spec.ts
+++ b/api/src/chat/services/block.service.spec.ts
@@ -390,7 +390,7 @@ describe('BlockService', () => {
           attachments: {
             type: FileType.file,
             payload: {
-              attachment_id: '9'.repeat(24),
+              id: '9'.repeat(24),
               url: 'http://link.to/the/file',
             },
           },
diff --git a/api/src/chat/services/block.service.ts b/api/src/chat/services/block.service.ts
index 9c778e1a..3e4c0418 100644
--- a/api/src/chat/services/block.service.ts
+++ b/api/src/chat/services/block.service.ts
@@ -411,7 +411,7 @@ export class BlockService extends BaseService<Block, BlockPopulate, BlockFull> {
       'url' in block.message.attachment.payload
     ) {
       this.logger.error(
-        'Attachment Model : `url` payload has been deprecated in favor of `attachment_id`',
+        'Attachment Model : `url` payload has been deprecated in favor of `id`',
         block.id,
         block.message,
       );
@@ -521,7 +521,7 @@ export class BlockService extends BaseService<Block, BlockPopulate, BlockFull> {
       }
     } else if (blockMessage && 'attachment' in blockMessage) {
       const attachmentPayload = blockMessage.attachment.payload;
-      if (!attachmentPayload.attachment_id) {
+      if (!attachmentPayload.id) {
         this.checkDeprecatedAttachmentUrl(block);
         throw new Error('Remote attachments are no longer supported!');
       }
diff --git a/api/src/chat/validation-rules/is-message.ts b/api/src/chat/validation-rules/is-message.ts
index fbd1589b..67688d94 100644
--- a/api/src/chat/validation-rules/is-message.ts
+++ b/api/src/chat/validation-rules/is-message.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -71,7 +71,7 @@ export function isValidMessage(msg: any) {
             .required(),
           payload: Joi.object().keys({
             url: Joi.string().uri(),
-            attachment_id: Joi.string().allow(null),
+            id: Joi.string().allow(null),
           }),
         }),
         elements: Joi.boolean(),
diff --git a/api/src/extensions/channels/web/__test__/events.mock.ts b/api/src/extensions/channels/web/__test__/events.mock.ts
index 9be7b095..1c85ac63 100644
--- a/api/src/extensions/channels/web/__test__/events.mock.ts
+++ b/api/src/extensions/channels/web/__test__/events.mock.ts
@@ -149,14 +149,14 @@ export const webEvents: [string, Web.IncomingMessage, any][] = [
         attachments: {
           type: FileType.image,
           payload: {
-            attachment_id: '9'.repeat(24),
+            id: '9'.repeat(24),
           },
         },
       },
       message: {
         attachment: {
           payload: {
-            attachment_id: '9'.repeat(24),
+            id: '9'.repeat(24),
           },
           type: FileType.image,
         },
diff --git a/api/src/extensions/channels/web/base-web-channel.ts b/api/src/extensions/channels/web/base-web-channel.ts
index 45a9a466..84719b9a 100644
--- a/api/src/extensions/channels/web/base-web-channel.ts
+++ b/api/src/extensions/channels/web/base-web-channel.ts
@@ -155,9 +155,7 @@ export default abstract class BaseWebChannelHandler<
           type: Web.IncomingMessageType.file,
           data: {
             type: attachmentPayload.type,
-            url: await this.getPublicUrl(
-              attachmentPayload.payload.attachment_id,
-            ),
+            url: await this.getPublicUrl(attachmentPayload.payload.id),
           },
         };
       }
@@ -992,7 +990,7 @@ export default abstract class BaseWebChannelHandler<
       type: Web.OutgoingMessageType.file,
       data: {
         type: message.attachment.type,
-        url: await this.getPublicUrl(message.attachment.payload.attachment_id),
+        url: await this.getPublicUrl(message.attachment.payload.id),
       },
     };
     if (message.quickReplies && message.quickReplies.length > 0) {
@@ -1034,10 +1032,8 @@ export default abstract class BaseWebChannelHandler<
       if (fields.image_url && item[fields.image_url]) {
         const attachmentPayload = item[fields.image_url]
           .payload as AttachmentForeignKey;
-        if (attachmentPayload.attachment_id) {
-          element.image_url = await this.getPublicUrl(
-            attachmentPayload.attachment_id,
-          );
+        if (attachmentPayload.id) {
+          element.image_url = await this.getPublicUrl(attachmentPayload.id);
         }
       }
 
diff --git a/api/src/extensions/channels/web/wrapper.ts b/api/src/extensions/channels/web/wrapper.ts
index 03f737c6..b26cf7ac 100644
--- a/api/src/extensions/channels/web/wrapper.ts
+++ b/api/src/extensions/channels/web/wrapper.ts
@@ -224,7 +224,7 @@ export default class WebEventWrapper<N extends ChannelName> extends EventWrapper
           attachments: {
             type: Attachment.getTypeByMime(this._adapter.raw.data.type),
             payload: {
-              attachment_id: this._adapter.attachment.id,
+              id: this._adapter.attachment.id,
             },
           },
         };
@@ -278,7 +278,7 @@ export default class WebEventWrapper<N extends ChannelName> extends EventWrapper
           attachment: {
             type: fileType,
             payload: {
-              attachment_id: this._adapter.attachment.id,
+              id: this._adapter.attachment.id,
             },
           },
         };
diff --git a/api/src/utils/test/fixtures/block.ts b/api/src/utils/test/fixtures/block.ts
index b66611ce..a167268c 100644
--- a/api/src/utils/test/fixtures/block.ts
+++ b/api/src/utils/test/fixtures/block.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -9,7 +9,7 @@
 import mongoose from 'mongoose';
 
 import { BlockCreateDto } from '@/chat/dto/block.dto';
-import { BlockModel, Block } from '@/chat/schemas/block.schema';
+import { Block, BlockModel } from '@/chat/schemas/block.schema';
 import { CategoryModel } from '@/chat/schemas/category.schema';
 import { FileType } from '@/chat/schemas/types/attachment';
 import { ButtonType } from '@/chat/schemas/types/button';
@@ -131,7 +131,7 @@ export const blocks: BlockCreateDto[] = [
       attachment: {
         type: FileType.image,
         payload: {
-          attachment_id: '1',
+          id: '1',
         },
       },
       quickReplies: [],
diff --git a/api/src/utils/test/fixtures/content.ts b/api/src/utils/test/fixtures/content.ts
index 33c3d379..d2dbe5de 100644
--- a/api/src/utils/test/fixtures/content.ts
+++ b/api/src/utils/test/fixtures/content.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -99,7 +99,7 @@ const contents: ContentCreateDto[] = [
       image: {
         type: 'image',
         payload: {
-          attachment_id: null,
+          id: null,
         },
       },
     },
@@ -111,7 +111,7 @@ const contents: ContentCreateDto[] = [
       image: {
         type: 'image',
         payload: {
-          attachment_id: null,
+          id: null,
         },
       },
     },
@@ -151,8 +151,7 @@ export const installContentFixtures = async () => {
         ({ name }) => name === `${contentFixture.title.replace(' ', '')}.jpg`,
       );
       if (attachment) {
-        contentFixture.dynamicFields.image.payload.attachment_id =
-          attachment.id;
+        contentFixture.dynamicFields.image.payload.id = attachment.id;
       }
       return {
         ...contentFixture,
diff --git a/api/src/utils/test/mocks/block.ts b/api/src/utils/test/mocks/block.ts
index 1c8d3c58..171ad2a1 100644
--- a/api/src/utils/test/mocks/block.ts
+++ b/api/src/utils/test/mocks/block.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
@@ -189,7 +189,7 @@ export const attachmentBlock: BlockFull = {
       type: FileType.image,
       payload: {
         url: 'https://fr.facebookbrand.com/wp-content/uploads/2016/09/messenger_icon2.png',
-        attachment_id: '1234',
+        id: '1234',
       },
     },
     quickReplies: [],
diff --git a/frontend/src/components/contents/ContentDialog.tsx b/frontend/src/components/contents/ContentDialog.tsx
index 8b2e965a..c04b3a75 100644
--- a/frontend/src/components/contents/ContentDialog.tsx
+++ b/frontend/src/components/contents/ContentDialog.tsx
@@ -1,11 +1,12 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
+
 import LinkIcon from "@mui/icons-material/Link";
 import {
   Dialog,
@@ -110,9 +111,9 @@ const ContentFieldInput: React.FC<ContentFieldInput> = ({
           })}
           {...field}
           onChange={(id, mimeType) => {
-            field.onChange({ type: mimeType, payload: { attachment_id: id } });
+            field.onChange({ type: mimeType, payload: { id } });
           }}
-          value={field.value?.payload?.attachment_id}
+          value={field.value?.payload?.id}
           accept={MIME_TYPES["images"].join(",")}
           format="full"
         />
diff --git a/frontend/src/components/visual-editor/constants.ts b/frontend/src/components/visual-editor/constants.ts
index c84bf8b8..2dcc132d 100644
--- a/frontend/src/components/visual-editor/constants.ts
+++ b/frontend/src/components/visual-editor/constants.ts
@@ -36,7 +36,7 @@ export const ATTACHMENT_BLOCK_TEMPLATE: Partial<IBlockAttributes> = {
   message: {
     attachment: {
       type: FileType.unknown,
-      payload: { attachment_id: null },
+      payload: { id: null },
     },
     quickReplies: [],
   },
diff --git a/frontend/src/components/visual-editor/form/AttachmentMessageForm.tsx b/frontend/src/components/visual-editor/form/AttachmentMessageForm.tsx
index 99bc1031..35da99fb 100644
--- a/frontend/src/components/visual-editor/form/AttachmentMessageForm.tsx
+++ b/frontend/src/components/visual-editor/form/AttachmentMessageForm.tsx
@@ -1,11 +1,12 @@
 /*
- * Copyright © 2024 Hexastack. All rights reserved.
+ * Copyright © 2025 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
+
 import { Controller, useFormContext } from "react-hook-form";
 
 import AttachmentInput from "@/app-components/attachment/AttachmentInput";
@@ -41,8 +42,7 @@ const AttachmentMessageForm = () => {
           validate: {
             required: (value) => {
               return (
-                !!value?.payload?.attachment_id ||
-                t("message.attachment_is_required")
+                !!value?.payload?.id || t("message.attachment_is_required")
               );
             },
           },
@@ -55,7 +55,7 @@ const AttachmentMessageForm = () => {
             <AttachmentInput
               label=""
               {...rest}
-              value={value.payload?.attachment_id}
+              value={value.payload?.id}
               accept={Object.values(MIME_TYPES).flat().join(",")}
               format="full"
               size={256}
@@ -65,7 +65,7 @@ const AttachmentMessageForm = () => {
                 onChange({
                   type: type ? getFileType(type) : FileType.unknown,
                   payload: {
-                    attachment_id: id,
+                    id,
                   },
                 });
               }}
diff --git a/frontend/src/types/message.types.ts b/frontend/src/types/message.types.ts
index 60d63b7d..5e0d4cf0 100644
--- a/frontend/src/types/message.types.ts
+++ b/frontend/src/types/message.types.ts
@@ -52,8 +52,8 @@ export interface AttachmentAttrs {
 }
 
 export type AttachmentForeignKey = {
-  attachment_id: string | null;
-  /** @deprecated use attachment_id instead */
+  id: string | null;
+  /** @deprecated use id instead */
   url?: string;
 };