diff --git a/.changeset/sharp-doors-itch.md b/.changeset/sharp-doors-itch.md
new file mode 100644
index 000000000..0de85c59e
--- /dev/null
+++ b/.changeset/sharp-doors-itch.md
@@ -0,0 +1,7 @@
+---
+'@gitbook/openapi-parser': patch
+'@gitbook/react-openapi': patch
+'gitbook': patch
+---
+
+Render GitBook blocks in OpenAPI operation description
diff --git a/packages/gitbook/src/app/middleware/(space)/~gitbook/pdf/page.tsx b/packages/gitbook/src/app/middleware/(space)/~gitbook/pdf/page.tsx
index 41e48f7d0..c00855a31 100644
--- a/packages/gitbook/src/app/middleware/(space)/~gitbook/pdf/page.tsx
+++ b/packages/gitbook/src/app/middleware/(space)/~gitbook/pdf/page.tsx
@@ -244,8 +244,8 @@ async function PDFPageDocument(props: {
             {document ? (
                 <DocumentView
                     document={document}
-                    style={'mt-6 space-y-6'}
-                    blockStyle={['max-w-full']}
+                    style="mt-6 space-y-6"
+                    blockStyle="max-w-full"
                     context={{
                         mode: 'print',
                         content: {
diff --git a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPI.tsx b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPI.tsx
index ddae7d6d8..e56b41a24 100644
--- a/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPI.tsx
+++ b/packages/gitbook/src/components/DocumentView/OpenAPI/OpenAPI.tsx
@@ -1,4 +1,4 @@
-import { DocumentBlockOpenAPI } from '@gitbook/api';
+import { DocumentBlockOpenAPI, JSONDocument } from '@gitbook/api';
 import { Icon } from '@gitbook/icons';
 import { OpenAPIOperation } from '@gitbook/react-openapi';
 import React from 'react';
@@ -8,6 +8,7 @@ import { tcls } from '@/lib/tailwind';
 
 import { BlockProps } from '../Block';
 import { PlainCodeBlock } from '../CodeBlock';
+import { DocumentView } from '../DocumentView';
 import { Heading } from '../Heading';
 
 import './style.css';
@@ -57,7 +58,15 @@ async function OpenAPIBody(props: BlockProps<DocumentBlockOpenAPI>) {
                     chevronRight: <Icon icon="chevron-right" />,
                     plus: <Icon icon="plus" />,
                 },
-                CodeBlock: PlainCodeBlock,
+                renderCodeBlock: (codeProps) => <PlainCodeBlock {...codeProps} />,
+                renderDocument: (documentProps) => (
+                    <DocumentView
+                        document={documentProps.document as JSONDocument}
+                        context={props.context}
+                        style="space-y-6"
+                        blockStyle="max-w-full"
+                    />
+                ),
                 renderHeading: (headingProps) => (
                     <Heading
                         document={props.document}
diff --git a/packages/openapi-parser/src/types.ts b/packages/openapi-parser/src/types.ts
index 560053a07..696cc02a2 100644
--- a/packages/openapi-parser/src/types.ts
+++ b/packages/openapi-parser/src/types.ts
@@ -42,6 +42,11 @@ export interface OpenAPICustomOperationProperties {
      * Description in HTML format.
      */
     'x-gitbook-description-html'?: string;
+
+    /**
+     * Description in Document format.
+     */
+    'x-gitbook-description-document'?: object;
 }
 
 /**
diff --git a/packages/react-openapi/src/OpenAPICodeSample.tsx b/packages/react-openapi/src/OpenAPICodeSample.tsx
index 8b88f9e70..f34ff93a9 100644
--- a/packages/react-openapi/src/OpenAPICodeSample.tsx
+++ b/packages/react-openapi/src/OpenAPICodeSample.tsx
@@ -72,7 +72,10 @@ export function OpenAPICodeSample(props: {
     const autoCodeSamples = codeSampleGenerators.map((generator) => ({
         key: `default-${generator.id}`,
         label: generator.label,
-        body: <context.CodeBlock code={generator.generate(input)} syntax={generator.syntax} />,
+        body: context.renderCodeBlock({
+            code: generator.generate(input),
+            syntax: generator.syntax,
+        }),
     }));
 
     // Use custom samples if defined
@@ -95,7 +98,10 @@ export function OpenAPICodeSample(props: {
                 .map((sample) => ({
                     key: `redocly-${sample.lang}`,
                     label: sample.label,
-                    body: <context.CodeBlock code={sample.source} syntax={sample.lang} />,
+                    body: context.renderCodeBlock({
+                        code: sample.source,
+                        syntax: sample.lang,
+                    }),
                 }));
         }
     });
diff --git a/packages/react-openapi/src/OpenAPIOperation.tsx b/packages/react-openapi/src/OpenAPIOperation.tsx
index 47fd22d46..d28f49cac 100644
--- a/packages/react-openapi/src/OpenAPIOperation.tsx
+++ b/packages/react-openapi/src/OpenAPIOperation.tsx
@@ -7,6 +7,7 @@ import { OpenAPISpec } from './OpenAPISpec';
 import type { OpenAPIClientContext, OpenAPIContextProps, OpenAPIOperationData } from './types';
 import { OpenAPIPath } from './OpenAPIPath';
 import { resolveDescription } from './utils';
+import { OpenAPICustomOperationProperties, OpenAPIV3 } from '@gitbook/openapi-parser';
 
 /**
  * Display an interactive OpenAPI operation.
@@ -25,8 +26,6 @@ export function OpenAPIOperation(props: {
         blockKey: context.blockKey,
     };
 
-    const description = resolveDescription(operation);
-
     return (
         <div className={clsx('openapi-operation', className)}>
             <div className="openapi-summary" id={operation.summary ? undefined : context.id}>
@@ -49,11 +48,7 @@ export function OpenAPIOperation(props: {
                             {`.`}
                         </div>
                     ) : null}
-                    {description ? (
-                        <div className="openapi-intro">
-                            <Markdown className="openapi-description" source={description} />
-                        </div>
-                    ) : null}
+                    <OpenAPIOperationDescription operation={operation} context={context} />
                     <OpenAPIPath data={data} context={context} />
                     <OpenAPISpec data={data} context={clientContext} />
                 </div>
@@ -67,3 +62,30 @@ export function OpenAPIOperation(props: {
         </div>
     );
 }
+
+function OpenAPIOperationDescription(props: {
+    operation: OpenAPIV3.OperationObject<OpenAPICustomOperationProperties>;
+    context: OpenAPIContextProps;
+}) {
+    const { operation } = props;
+    if (operation['x-gitbook-description-document']) {
+        return (
+            <div className="openapi-intro">
+                {props.context.renderDocument({
+                    document: operation['x-gitbook-description-document'],
+                })}
+            </div>
+        );
+    }
+
+    const description = resolveDescription(operation);
+    if (!description) {
+        return null;
+    }
+
+    return (
+        <div className="openapi-intro">
+            <Markdown className="openapi-description" source={description} />
+        </div>
+    );
+}
diff --git a/packages/react-openapi/src/OpenAPIResponseExample.tsx b/packages/react-openapi/src/OpenAPIResponseExample.tsx
index 466f42313..2439660f9 100644
--- a/packages/react-openapi/src/OpenAPIResponseExample.tsx
+++ b/packages/react-openapi/src/OpenAPIResponseExample.tsx
@@ -209,7 +209,7 @@ function OpenAPIExample(props: {
         return <OpenAPIEmptyResponseExample />;
     }
 
-    return <context.CodeBlock code={code} syntax={syntax} />;
+    return context.renderCodeBlock({ code, syntax });
 }
 
 function stringifyExample(args: { example: OpenAPIV3.ExampleObject; xml: boolean }): string | null {
diff --git a/packages/react-openapi/src/types.ts b/packages/react-openapi/src/types.ts
index 331da6b69..d652b11b0 100644
--- a/packages/react-openapi/src/types.ts
+++ b/packages/react-openapi/src/types.ts
@@ -5,8 +5,18 @@ import type {
 } from '@gitbook/openapi-parser';
 
 export interface OpenAPIContextProps extends OpenAPIClientContext {
-    CodeBlock: React.ComponentType<{ code: string; syntax: string }>;
+    /**
+     * Render a code block.
+     */
+    renderCodeBlock: (props: { code: string; syntax: string }) => React.ReactNode;
+    /**
+     * Render the heading of the operation.
+     */
     renderHeading: (props: { deprecated: boolean; title: string }) => React.ReactNode;
+    /**
+     * Render the document of the operation.
+     */
+    renderDocument: (props: { document: object }) => React.ReactNode;
 
     /** Spec url for the Scalar Api Client */
     specUrl: string;