diff --git a/apidocs/openapi.json b/apidocs/openapi.json
index 5017ede..5aa7466 100644
--- a/apidocs/openapi.json
+++ b/apidocs/openapi.json
@@ -24,17 +24,7 @@
           "content": {
             "application/json": {
               "schema": {
-                "type": "object",
-                "properties": {
-                  "email": {
-                    "type": "string",
-                    "format": "email"
-                  }
-                },
-                "required": [
-                  "email"
-                ],
-                "additionalProperties": false
+                "$ref": "#/components/schemas/init"
               }
             }
           }
@@ -51,13 +41,23 @@
         }
       }
     },
-    "/webhook-receiver": {
+    "/notification": {
       "post": {
         "description": "",
         "responses": {
           "default": {
             "description": ""
           }
+        },
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/ld+json": {
+              "schema": {
+                "$ref": "#/components/schemas/notification"
+              }
+            }
+          }
         }
       }
     },
@@ -81,5 +81,102 @@
         }
       }
     }
+  },
+  "components": {
+    "schemas": {
+      "init": {
+        "type": "object",
+        "properties": {
+          "email": {
+            "type": "string",
+            "format": "email"
+          }
+        },
+        "required": [
+          "email"
+        ],
+        "additionalProperties": false
+      },
+      "notification": {
+        "type": "object",
+        "properties": {
+          "@context": {
+            "const": "https://www.w3.org/ns/activitystreams"
+          },
+          "id": {
+            "type": "string"
+          },
+          "type": {
+            "const": "Create"
+          },
+          "actor": {
+            "type": "object",
+            "properties": {
+              "type": {
+                "const": "Person"
+              },
+              "id": {
+                "type": "string",
+                "format": "uri"
+              },
+              "name": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "type",
+              "id"
+            ]
+          },
+          "object": {
+            "type": "object",
+            "properties": {
+              "type": {
+                "const": "Note"
+              },
+              "id": {
+                "type": "string",
+                "format": "uri"
+              },
+              "content": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "type",
+              "id",
+              "content"
+            ]
+          },
+          "target": {
+            "type": "object",
+            "properties": {
+              "type": {
+                "const": "Person"
+              },
+              "id": {
+                "type": "string",
+                "format": "uri"
+              },
+              "name": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "type",
+              "id"
+            ]
+          }
+        },
+        "required": [
+          "@context",
+          "type",
+          "actor",
+          "object",
+          "target"
+        ],
+        "additionalProperties": false
+      }
+    }
   }
 }
\ No newline at end of file
diff --git a/src/app.ts b/src/app.ts
index 8d63099..f1ff699 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -18,6 +18,7 @@ import {
 } from './middlewares/authorizeGroup'
 import { solidAuth } from './middlewares/solidAuth'
 import { validateBody } from './middlewares/validate'
+import * as schema from './schema'
 
 const app = new Koa()
 app.proxy = isBehindProxy
@@ -33,23 +34,13 @@ router
       content: {
         'application/json': {
           schema: {
-            type: 'object',
-            properties: {
-              email: { type: 'string', format: 'email' },
-            },
-            required: ['email'],
-            additionalProperties: false,
+            $ref: '#/components/schemas/init',
           },
         },
       },
     }
     */
-    validateBody({
-      type: 'object',
-      properties: { email: { type: 'string', format: 'email' } },
-      required: ['email'],
-      additionalProperties: false,
-    }),
+    validateBody(schema.init),
     initializeIntegration,
   )
   .get('/verify-email', checkVerificationLink, finishIntegration)
@@ -57,43 +48,18 @@ router
     '/notification',
     solidAuth,
     authorizeGroups(allowedGroups),
-    validateBody({
-      type: 'object',
-      properties: {
-        '@context': { const: 'https://www.w3.org/ns/activitystreams' },
-        id: { type: 'string' },
-        type: { const: 'Create' },
-        actor: {
-          type: 'object',
-          properties: {
-            type: { const: 'Person' },
-            id: { type: 'string', format: 'uri' },
-            name: { type: 'string' },
-          },
-          required: ['type', 'id'],
-        },
-        object: {
-          type: 'object',
-          properties: {
-            type: { const: 'Note' },
-            id: { type: 'string', format: 'uri' },
-            content: { type: 'string' },
-          },
-          required: ['type', 'id', 'content'],
-        },
-        target: {
-          type: 'object',
-          properties: {
-            type: { const: 'Person' },
-            id: { type: 'string', format: 'uri' },
-            name: { type: 'string' },
+    /* #swagger.requestBody = {
+      required: true,
+      content: {
+        'application/ld+json': {
+          schema: {
+            $ref: '#/components/schemas/notification',
           },
-          required: ['type', 'id'],
         },
       },
-      required: ['@context', 'type', 'actor', 'object', 'target'],
-      additionalProperties: false,
-    }),
+    }
+    */
+    validateBody(schema.notification),
     checkGroupMembership(allowedGroups, 'request.body.target.id', 400),
     notification,
   )
diff --git a/src/generate-api-docs.ts b/src/generate-api-docs.ts
index 999fc1d..512cc08 100644
--- a/src/generate-api-docs.ts
+++ b/src/generate-api-docs.ts
@@ -1,5 +1,6 @@
 // https://swagger-autogen.github.io/docs/getting-started/advanced-usage#openapi-3x
 import swaggerAutogen from 'swagger-autogen'
+import { init, notification } from './schema'
 
 const doc = {
   info: {
@@ -10,7 +11,7 @@ const doc = {
   },
   servers: [{ url: '/' }],
   tags: [],
-  components: {},
+  components: { '@schemas': { init, notification } },
 }
 
 const outputFile = '../apidocs/openapi.json'
diff --git a/src/schema.ts b/src/schema.ts
new file mode 100644
index 0000000..23329b4
--- /dev/null
+++ b/src/schema.ts
@@ -0,0 +1,44 @@
+export const init = {
+  type: 'object',
+  properties: { email: { type: 'string', format: 'email' } },
+  required: ['email'],
+  additionalProperties: false,
+}
+
+export const notification = {
+  type: 'object',
+  properties: {
+    '@context': { const: 'https://www.w3.org/ns/activitystreams' },
+    id: { type: 'string' },
+    type: { const: 'Create' },
+    actor: {
+      type: 'object',
+      properties: {
+        type: { const: 'Person' },
+        id: { type: 'string', format: 'uri' },
+        name: { type: 'string' },
+      },
+      required: ['type', 'id'],
+    },
+    object: {
+      type: 'object',
+      properties: {
+        type: { const: 'Note' },
+        id: { type: 'string', format: 'uri' },
+        content: { type: 'string' },
+      },
+      required: ['type', 'id', 'content'],
+    },
+    target: {
+      type: 'object',
+      properties: {
+        type: { const: 'Person' },
+        id: { type: 'string', format: 'uri' },
+        name: { type: 'string' },
+      },
+      required: ['type', 'id'],
+    },
+  },
+  required: ['@context', 'type', 'actor', 'object', 'target'],
+  additionalProperties: false,
+}