diff --git a/API-backend-pull-notifications.md b/API-backend-pull-notifications.md
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+# backend-pull-notifications
+
+Base URL: `https://notifier.gansejunge.com/internal/backend-pull-notifications`
+
+### `POST /notifications/pull`
+
+**Pull Notifications**
+
+| Name | In | Type | Required |
+|---|---|---|---|
+| `X-User-Id` | header | integer | yes |
+
+**Example:**
+
+```bash
+curl -X POST 'https://notifier.gansejunge.com/internal/backend-pull-notifications/notifications/pull' \
+  -H 'X-API-Key: <api_key>'
+```
+
+**Responses:**
+
+- `200`: Successful Response
+  ```json
+  {
+    "messages": [
+      {}
+    ],
+    "count": 0,
+    "has_more": true
+  }
+  ```
+- `422`: Validation Error
+  ```json
+  {
+    "detail": [
+      {
+        "loc": [
+          "string"
+        ],
+        "msg": "string",
+        "type": "string",
+        "input": null,
+        "ctx": {}
+      }
+    ]
+  }
+  ```
diff --git a/sources/backend-pull-notifications-openapi.json b/sources/backend-pull-notifications-openapi.json
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+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "backend-pull-notifications",
+    "version": "0.1.0"
+  },
+  "paths": {
+    "/notifications/pull": {
+      "post": {
+        "summary": "Pull Notifications",
+        "operationId": "pull_notifications_notifications_pull_post",
+        "security": [
+          {
+            "HTTPBearer": []
+          }
+        ],
+        "parameters": [
+          {
+            "name": "X-User-Id",
+            "in": "header",
+            "required": true,
+            "schema": {
+              "type": "integer",
+              "exclusiveMinimum": 0,
+              "title": "X-User-Id"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/PullResponse"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Validation Error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/HTTPValidationError"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "HTTPValidationError": {
+        "properties": {
+          "detail": {
+            "items": {
+              "$ref": "#/components/schemas/ValidationError"
+            },
+            "type": "array",
+            "title": "Detail"
+          }
+        },
+        "type": "object",
+        "title": "HTTPValidationError"
+      },
+      "PullResponse": {
+        "properties": {
+          "messages": {
+            "items": {
+              "additionalProperties": true,
+              "type": "object"
+            },
+            "type": "array",
+            "title": "Messages"
+          },
+          "count": {
+            "type": "integer",
+            "title": "Count"
+          },
+          "has_more": {
+            "type": "boolean",
+            "title": "Has More"
+          }
+        },
+        "type": "object",
+        "required": [
+          "messages",
+          "count",
+          "has_more"
+        ],
+        "title": "PullResponse"
+      },
+      "ValidationError": {
+        "properties": {
+          "loc": {
+            "items": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "integer"
+                }
+              ]
+            },
+            "type": "array",
+            "title": "Location"
+          },
+          "msg": {
+            "type": "string",
+            "title": "Message"
+          },
+          "type": {
+            "type": "string",
+            "title": "Error Type"
+          },
+          "input": {
+            "title": "Input"
+          },
+          "ctx": {
+            "type": "object",
+            "title": "Context"
+          }
+        },
+        "type": "object",
+        "required": [
+          "loc",
+          "msg",
+          "type"
+        ],
+        "title": "ValidationError"
+      }
+    },
+    "securitySchemes": {
+      "HTTPBearer": {
+        "type": "http",
+        "scheme": "bearer"
+      }
+    }
+  }
+}
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