diff --git a/packages/apidom-ls/src/apidom-language-types.ts b/packages/apidom-ls/src/apidom-language-types.ts
index 387568f7d..4e004c7ed 100644
--- a/packages/apidom-ls/src/apidom-language-types.ts
+++ b/packages/apidom-ls/src/apidom-language-types.ts
@@ -324,6 +324,8 @@ export enum CompletionFormat {
   ARRAY,
   ARRAY_OBJECT,
   UNDEFINED,
+  PARTIAL_KEY,
+  PARTIAL_KEY_QUOTED,
 }
 
 export interface ApidomCompletionItem extends CompletionItem {
diff --git a/packages/apidom-ls/src/config/openapi/callback/completion.ts b/packages/apidom-ls/src/config/openapi/callback/completion.ts
index bf8db4a11..54a78d2ae 100644
--- a/packages/apidom-ls/src/config/openapi/callback/completion.ts
+++ b/packages/apidom-ls/src/config/openapi/callback/completion.ts
@@ -17,6 +17,186 @@ const completion: ApidomCompletionItem[] = [
       value: 'A reference to a Callback.',
     },
   },
+  {
+    label: '$url',
+    insertText: "'\\$url'",
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request URL',
+    },
+  },
+  {
+    label: '$method',
+    insertText: "'\\$method'",
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'HTTP Method',
+    },
+  },
+  {
+    label: '$statusCode',
+    insertText: "'\\$statusCode'",
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Status Code',
+    },
+  },
+  {
+    label: '$request.path...',
+    insertText: '\\$request.path.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request Path',
+    },
+  },
+  {
+    label: '$request.query...',
+    insertText: '\\$request.query.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request Query',
+    },
+  },
+  {
+    label: '$request.header...',
+    insertText: '\\$request.header.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request Header',
+    },
+  },
+  {
+    label: '$request.header...',
+    insertText: '\\$request.header.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request Header',
+    },
+  },
+  {
+    label: '$request.body',
+    insertText: "'\\$request.body'",
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request Body',
+    },
+  },
+  {
+    label: '$request.body#/...',
+    insertText: '\\$request.body#/.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Request Body..',
+    },
+  },
+  {
+    label: '$response.path...',
+    insertText: '\\$response.path.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Response Path',
+    },
+  },
+  {
+    label: '$response.query...',
+    insertText: '\\$response.query.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Response Query',
+    },
+  },
+  {
+    label: '$response.header...',
+    insertText: '\\$response.header.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Response Header',
+    },
+  },
+  {
+    label: '$response.header...',
+    insertText: '\\$response.header.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Response Header',
+    },
+  },
+  {
+    label: '$response.body',
+    insertText: "'\\$response.body'",
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Response Body',
+    },
+  },
+  {
+    label: '$response.body#/...',
+    insertText: '\\$response.body#/.',
+    kind: 14,
+    format: CompletionFormat.PARTIAL_KEY_QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'Response Body..',
+    },
+  },
 ];
 
 export default completion;
diff --git a/packages/apidom-ls/src/services/completion/completion-service.ts b/packages/apidom-ls/src/services/completion/completion-service.ts
index d1d0cfd21..5462dc8f5 100644
--- a/packages/apidom-ls/src/services/completion/completion-service.ts
+++ b/packages/apidom-ls/src/services/completion/completion-service.ts
@@ -1318,6 +1318,20 @@ export class DefaultCompletionService implements CompletionService {
               targetItem.insertText = `"${targetItem.insertText}": "$1"`;
             }
             break;
+          case CompletionFormat.PARTIAL_KEY:
+            if (yaml) {
+              targetItem.insertText = `${targetItem.insertText}$1: `;
+            } else {
+              targetItem.insertText = `"${targetItem.insertText}$1": `;
+            }
+            break;
+          case CompletionFormat.PARTIAL_KEY_QUOTED:
+            if (yaml) {
+              targetItem.insertText = `'${targetItem.insertText}$1': `;
+            } else {
+              targetItem.insertText = `"${targetItem.insertText}$1": `;
+            }
+            break;
           default:
           //
         }
diff --git a/packages/apidom-ls/test/complete.ts b/packages/apidom-ls/test/complete.ts
index 402104893..1de7b0258 100644
--- a/packages/apidom-ls/test/complete.ts
+++ b/packages/apidom-ls/test/complete.ts
@@ -1333,4 +1333,123 @@ describe('apidom-ls-complete', function () {
       },
     ] as ApidomCompletionItem[]);
   });
+
+  it('openapi / yaml - test callback completion issue 2356', async function () {
+    const completionContext: CompletionContext = {
+      maxNumberOfItems: 100,
+    };
+
+    const spec = fs
+      .readFileSync(path.join(__dirname, 'fixtures', 'completion', 'oas', 'issue-2356.yaml'))
+      .toString();
+
+    const doc: TextDocument = TextDocument.create('foo://bar/issue-2356.yaml', 'yaml', 0, spec);
+
+    const pos = Position.create(7, 10);
+    const result = await languageService.doCompletion(
+      doc,
+      { textDocument: doc, position: pos },
+      completionContext,
+    );
+    assert.deepEqual(result!.items, [
+      {
+        label: '$ref',
+        insertText: '\\$ref: $1',
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'A reference to a Callback.' },
+      },
+      {
+        label: '$url',
+        insertText: "'\\$url': \n  $1",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Request URL' },
+      },
+      {
+        label: '$method',
+        insertText: "'\\$method': \n  $1",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'HTTP Method' },
+      },
+      {
+        label: '$statusCode',
+        insertText: "'\\$statusCode': \n  $1",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Status Code' },
+      },
+      {
+        label: '$request.path...',
+        insertText: "'\\$request.path.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Request Path' },
+      },
+      {
+        label: '$request.query...',
+        insertText: "'\\$request.query.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Request Query' },
+      },
+      {
+        label: '$request.header...',
+        insertText: "'\\$request.header.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Request Header' },
+      },
+      {
+        label: '$request.body',
+        insertText: "'\\$request.body': \n  $1",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Request Body' },
+      },
+      {
+        label: '$request.body#/...',
+        insertText: "'\\$request.body#/.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Request Body..' },
+      },
+      {
+        label: '$response.path...',
+        insertText: "'\\$response.path.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Response Path' },
+      },
+      {
+        label: '$response.query...',
+        insertText: "'\\$response.query.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Response Query' },
+      },
+      {
+        label: '$response.header...',
+        insertText: "'\\$response.header.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Response Header' },
+      },
+      {
+        label: '$response.body',
+        insertText: "'\\$response.body': \n  $1",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Response Body' },
+      },
+      {
+        label: '$response.body#/...',
+        insertText: "'\\$response.body#/.$1': ",
+        kind: 14,
+        insertTextFormat: 2,
+        documentation: { kind: 'markdown', value: 'Response Body..' },
+      },
+    ] as ApidomCompletionItem[]);
+  });
 });
diff --git a/packages/apidom-ls/test/fixtures/completion/oas/issue-2356.yaml b/packages/apidom-ls/test/fixtures/completion/oas/issue-2356.yaml
new file mode 100644
index 000000000..c610bbc7c
--- /dev/null
+++ b/packages/apidom-ls/test/fixtures/completion/oas/issue-2356.yaml
@@ -0,0 +1,8 @@
+openapi: 3.1.0
+paths:
+  /pet:
+    put:
+      operationId: updatePet
+      callbacks:
+        test:
+