diff --git a/descriptions/api.github.com/api.github.com.2022-11-28.json b/descriptions/api.github.com/api.github.com.2022-11-28.json
index 42bd994ed..ccca797fb 100644
--- a/descriptions/api.github.com/api.github.com.2022-11-28.json
+++ b/descriptions/api.github.com/api.github.com.2022-11-28.json
@@ -56651,7 +56651,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "dependency-graph"
         ],
@@ -56699,8 +56699,11 @@
         "x-github": {
           "githubCloudOnly": false,
           "category": "dependency-graph",
-          "subcategory": "sboms"
-        }
+          "subcategory": "sboms",
+          "deprecationDate": "2026-05-12",
+          "removalDate": "2026-11-13"
+        },
+        "deprecated": true
       }
     },
     "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}": {
diff --git a/descriptions/api.github.com/api.github.com.2022-11-28.yaml b/descriptions/api.github.com/api.github.com.2022-11-28.yaml
index 01d680c59..f809974a9 100644
--- a/descriptions/api.github.com/api.github.com.2022-11-28.yaml
+++ b/descriptions/api.github.com/api.github.com.2022-11-28.yaml
@@ -41841,8 +41841,11 @@ paths:
   "/repos/{owner}/{repo}/dependency-graph/sbom":
     get:
       summary: Export a software bill of materials (SBOM) for a repository.
-      description: Exports the software bill of materials (SBOM) for a repository
-        in SPDX JSON format.
+      description: |-
+        > [!WARNING]
+        > **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use "[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)" to trigger the report, then "[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).
+
+        Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.
       tags:
       - dependency-graph
       operationId: dependency-graph/export-sbom
@@ -41873,6 +41876,9 @@ paths:
         githubCloudOnly: false
         category: dependency-graph
         subcategory: sboms
+        deprecationDate: '2026-05-12'
+        removalDate: '2026-11-13'
+      deprecated: true
   "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}":
     get:
       summary: Fetch a software bill of materials (SBOM) for a repository.
diff --git a/descriptions/api.github.com/api.github.com.2026-03-10.json b/descriptions/api.github.com/api.github.com.2026-03-10.json
index b5afe0648..19c16e7bc 100644
--- a/descriptions/api.github.com/api.github.com.2026-03-10.json
+++ b/descriptions/api.github.com/api.github.com.2026-03-10.json
@@ -56578,7 +56578,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "dependency-graph"
         ],
@@ -56626,8 +56626,11 @@
         "x-github": {
           "githubCloudOnly": false,
           "category": "dependency-graph",
-          "subcategory": "sboms"
-        }
+          "subcategory": "sboms",
+          "deprecationDate": "2026-05-12",
+          "removalDate": "2026-11-13"
+        },
+        "deprecated": true
       }
     },
     "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}": {
diff --git a/descriptions/api.github.com/api.github.com.2026-03-10.yaml b/descriptions/api.github.com/api.github.com.2026-03-10.yaml
index f7efd52e8..c484e00ce 100644
--- a/descriptions/api.github.com/api.github.com.2026-03-10.yaml
+++ b/descriptions/api.github.com/api.github.com.2026-03-10.yaml
@@ -41781,8 +41781,11 @@ paths:
   "/repos/{owner}/{repo}/dependency-graph/sbom":
     get:
       summary: Export a software bill of materials (SBOM) for a repository.
-      description: Exports the software bill of materials (SBOM) for a repository
-        in SPDX JSON format.
+      description: |-
+        > [!WARNING]
+        > **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use "[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)" to trigger the report, then "[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).
+
+        Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.
       tags:
       - dependency-graph
       operationId: dependency-graph/export-sbom
@@ -41813,6 +41816,9 @@ paths:
         githubCloudOnly: false
         category: dependency-graph
         subcategory: sboms
+        deprecationDate: '2026-05-12'
+        removalDate: '2026-11-13'
+      deprecated: true
   "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}":
     get:
       summary: Fetch a software bill of materials (SBOM) for a repository.
diff --git a/descriptions/api.github.com/api.github.com.json b/descriptions/api.github.com/api.github.com.json
index fc3284a2e..545d4af12 100644
--- a/descriptions/api.github.com/api.github.com.json
+++ b/descriptions/api.github.com/api.github.com.json
@@ -56920,7 +56920,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "dependency-graph"
         ],
@@ -56968,8 +56968,11 @@
         "x-github": {
           "githubCloudOnly": false,
           "category": "dependency-graph",
-          "subcategory": "sboms"
-        }
+          "subcategory": "sboms",
+          "deprecationDate": "2026-05-12",
+          "removalDate": "2026-11-13"
+        },
+        "deprecated": true
       }
     },
     "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}": {
diff --git a/descriptions/api.github.com/api.github.com.yaml b/descriptions/api.github.com/api.github.com.yaml
index 56aebfb40..509787c3f 100644
--- a/descriptions/api.github.com/api.github.com.yaml
+++ b/descriptions/api.github.com/api.github.com.yaml
@@ -42009,8 +42009,11 @@ paths:
   "/repos/{owner}/{repo}/dependency-graph/sbom":
     get:
       summary: Export a software bill of materials (SBOM) for a repository.
-      description: Exports the software bill of materials (SBOM) for a repository
-        in SPDX JSON format.
+      description: |-
+        > [!WARNING]
+        > **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use "[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)" to trigger the report, then "[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).
+
+        Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.
       tags:
       - dependency-graph
       operationId: dependency-graph/export-sbom
@@ -42041,6 +42044,9 @@ paths:
         githubCloudOnly: false
         category: dependency-graph
         subcategory: sboms
+        deprecationDate: '2026-05-12'
+        removalDate: '2026-11-13'
+      deprecated: true
   "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}":
     get:
       summary: Fetch a software bill of materials (SBOM) for a repository.
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
index f38fb5571..5edb98fd6 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
@@ -360034,7 +360034,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "dependency-graph"
         ],
@@ -360389,8 +360389,11 @@
         "x-github": {
           "githubCloudOnly": false,
           "category": "dependency-graph",
-          "subcategory": "sboms"
-        }
+          "subcategory": "sboms",
+          "deprecationDate": "2026-05-12",
+          "removalDate": "2026-11-13"
+        },
+        "deprecated": true
       }
     },
     "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}": {
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
index 8b526b5a8..2377eed91 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
@@ -81269,8 +81269,11 @@ paths:
   "/repos/{owner}/{repo}/dependency-graph/sbom":
     get:
       summary: Export a software bill of materials (SBOM) for a repository.
-      description: Exports the software bill of materials (SBOM) for a repository
-        in SPDX JSON format.
+      description: |-
+        > [!WARNING]
+        > **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use "[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)" to trigger the report, then "[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).
+
+        Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.
       tags:
       - dependency-graph
       operationId: dependency-graph/export-sbom
@@ -81502,6 +81505,9 @@ paths:
         githubCloudOnly: false
         category: dependency-graph
         subcategory: sboms
+        deprecationDate: '2026-05-12'
+        removalDate: '2026-11-13'
+      deprecated: true
   "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}":
     get:
       summary: Fetch a software bill of materials (SBOM) for a repository.
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.json
index 8c5a53a7a..d2731968e 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.json
@@ -353306,7 +353306,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "dependency-graph"
         ],
@@ -353661,8 +353661,11 @@
         "x-github": {
           "githubCloudOnly": false,
           "category": "dependency-graph",
-          "subcategory": "sboms"
-        }
+          "subcategory": "sboms",
+          "deprecationDate": "2026-05-12",
+          "removalDate": "2026-11-13"
+        },
+        "deprecated": true
       }
     },
     "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}": {
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.yaml
index 418688fe2..0c37adea0 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2026-03-10.deref.yaml
@@ -80835,8 +80835,11 @@ paths:
   "/repos/{owner}/{repo}/dependency-graph/sbom":
     get:
       summary: Export a software bill of materials (SBOM) for a repository.
-      description: Exports the software bill of materials (SBOM) for a repository
-        in SPDX JSON format.
+      description: |-
+        > [!WARNING]
+        > **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use "[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)" to trigger the report, then "[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).
+
+        Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.
       tags:
       - dependency-graph
       operationId: dependency-graph/export-sbom
@@ -81068,6 +81071,9 @@ paths:
         githubCloudOnly: false
         category: dependency-graph
         subcategory: sboms
+        deprecationDate: '2026-05-12'
+        removalDate: '2026-11-13'
+      deprecated: true
   "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}":
     get:
       summary: Fetch a software bill of materials (SBOM) for a repository.
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.deref.json
index 8fa3e33c5..ab0492506 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.deref.json
@@ -368701,7 +368701,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "dependency-graph"
         ],
@@ -369056,8 +369056,11 @@
         "x-github": {
           "githubCloudOnly": false,
           "category": "dependency-graph",
-          "subcategory": "sboms"
-        }
+          "subcategory": "sboms",
+          "deprecationDate": "2026-05-12",
+          "removalDate": "2026-11-13"
+        },
+        "deprecated": true
       }
     },
     "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}": {
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
index 7e4ee39c9..c3553ce10 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
@@ -81957,8 +81957,11 @@ paths:
   "/repos/{owner}/{repo}/dependency-graph/sbom":
     get:
       summary: Export a software bill of materials (SBOM) for a repository.
-      description: Exports the software bill of materials (SBOM) for a repository
-        in SPDX JSON format.
+      description: |-
+        > [!WARNING]
+        > **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use "[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)" to trigger the report, then "[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).
+
+        Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.
       tags:
       - dependency-graph
       operationId: dependency-graph/export-sbom
@@ -82190,6 +82193,9 @@ paths:
         githubCloudOnly: false
         category: dependency-graph
         subcategory: sboms
+        deprecationDate: '2026-05-12'
+        removalDate: '2026-11-13'
+      deprecated: true
   "/repos/{owner}/{repo}/dependency-graph/sbom/fetch-report/{sbom_uuid}":
     get:
       summary: Fetch a software bill of materials (SBOM) for a repository.
diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
index 85a5d5f8d..07ab281de 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -422051,7 +422051,7 @@
     "/repos/{owner}/{repo}/dependency-graph/sbom": {
       "get": {
         "summary": "Export a software bill of materials (SBOM) for a repository.",
-        "description": "Exports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
+        "description": "> [!WARNING]\n> **Closing down notice:** This operation is closing down and will not be accessible after November 13, 2026. Please migrate to the asynchronous flow. Use \"[Request generation of a software bill of materials (SBOM) for a repository](https://docs.github.com/enterprise-cloud@latest/rest/dependency-graph/sboms#request-generation-of-a-software-bill-of-materials-sbom-for-a-repository)\" to trigger the report, then \"[Fetch a software bill of materials (SBOM) for a repository](https://docs.github.com/enterprise-cloud@latest/rest/dependency-graph/sboms#fetch-a-software-bill-of-materials-sbom-for-a-repository)\" to retrieve it. For more information, see the [changelog](https://github.blog/changelog/2026-05-12-synchronous-sbom-api-deprecated/).\n\nExports the software bill of materials (SBOM) for a repository in SPDX JSON format.",
         "tags": [
           "depend{"code":"deadline_exceeded","msg":"operation timed out"}