diff --git a/tests/integration/nested-routers.test.ts b/tests/integration/nested-routers.test.ts
new file mode 100644
index 0000000..4d1ec1d
--- /dev/null
+++ b/tests/integration/nested-routers.test.ts
@@ -0,0 +1,82 @@
+import 'isomorphic-fetch'
+
+import { OpenAPIRoute } from '../../src/route'
+import { Path } from '../../src/parameters'
+import { OpenAPIRouter } from '../../src/openapi'
+import { buildRequest } from '../utils'
+
+const innerRouter = OpenAPIRouter({ base: '/api/v1' })
+class ToDoGet extends OpenAPIRoute {
+  static schema = {
+    tags: ['ToDo'],
+    summary: 'Get a single ToDo',
+    parameters: {
+      id: Path(Number),
+    },
+    responses: {
+      '200': {
+        schema: {
+          todo: {
+            lorem: String,
+            ipsum: String,
+          },
+        },
+      },
+    },
+  }
+
+  async handle(request: Request, env: any, context: any, data: Record<string, any>) {
+    return {
+      todo: {
+        lorem: 'lorem',
+        ipsum: 'ipsum',
+      },
+    }
+  }
+}
+
+innerRouter.get('/todo/:id', ToDoGet)
+innerRouter.all('*', () => Response.json({ message: 'Not Found' }, { status: 404 }))
+
+const router = OpenAPIRouter({
+  schema: {
+    info: {
+      title: 'Radar Worker API',
+      version: '1.0',
+    },
+  },
+})
+
+router.all('/api/v1/*', innerRouter)
+router.all('*', () => new Response('Not Found.', { status: 404 }))
+
+describe('innerRouter', () => {
+  it('simpleSuccessfulCall', async () => {
+    const request = await router.handle(buildRequest({ method: 'GET', path: `/api/v1/todo/1` }))
+    const resp = await request.json()
+
+    expect(request.status).toEqual(200)
+    expect(resp).toEqual({
+      todo: {
+        lorem: 'lorem',
+        ipsum: 'ipsum',
+      },
+    })
+  })
+
+  it('innerCatchAll', async () => {
+    const request = await router.handle(buildRequest({ method: 'GET', path: `/api/v1/asd` }))
+    const resp = await request.json()
+
+    expect(request.status).toEqual(404)
+    expect(resp).toEqual({ message: 'Not Found' })
+  })
+
+  it('outerCatchAll', async () => {
+    const request = await router.handle(buildRequest({ method: 'GET', path: `/asd` }))
+    const resp = await request.text()
+
+    expect(request.status).toEqual(404)
+    expect(resp).toEqual('Not Found.')
+  })
+})
diff --git a/tests/integration/parameters.test.ts b/tests/integration/parameters.test.ts
index a00bf02..ba1bcb9 100644
--- a/tests/integration/parameters.test.ts
+++ b/tests/integration/parameters.test.ts
@@ -367,3 +367,88 @@ describe('queryParametersValidation', () => {
     expect(resp.errors.p_optional).toBeUndefined()
   })
 })
+
+describe('bodyParametersValidation', () => {
+  test('requiredFieldTitle', async () => {
+    const request = await todoRouter.handle(
+      buildRequest({
+        method: 'POST',
+        path: '/todos',
+        json: () => {
+          return {}
+        },
+      })
+    )
+    const resp = await request.json()
+
+    expect(request.status).toEqual(400)
+
+    // the current body implementation only validates 1 field at time
+    expect(resp.errors['body.title']).toEqual('is required')
+  })
+
+  test('requiredFieldTipe', async () => {
+    const request = await todoRouter.handle(
+      buildRequest({
+        method: 'POST',
+        path: '/todos',
+        json: () => {
+          return {
+            title: 'my todo',
+          }
+        },
+      })
+    )
+    const resp = await request.json()
+
+    expect(request.status).toEqual(400)
+
+    // the current body implementation only validates 1 field at time
+    expect(resp.errors['body.type']).toEqual('is required')
+  })
+
+  test('validRequest', async () => {
+    const request = await todoRouter.handle(
+      buildRequest({
+        method: 'POST',
+        path: '/todos',
+        json: () => {
+          return {
+            title: 'my todo',
+            type: 'nextWeek',
+          }
+        },
+      }),
+      {},
+      {}
+    )
+    const resp = await request.json()
+
+    expect(request.status).toEqual(200)
+
+    expect(resp).toEqual({ todo: { title: 'my todo', type: 'nextWeek' } })
+  })
+
+  test('validRequestWithOptionalParameters', async () => {
+    const request = await todoRouter.handle(
+      buildRequest({
+        method: 'POST',
+        path: '/todos',
+        json: () => {
+          return {
+            title: 'my todo',
+            description: 'this will be done',
+            type: 'nextWeek',
+          }
+        },
+      }),
+      {},
+      {}
+    )
+    const resp = await request.json()
+
+    expect(request.status).toEqual(200)
+
+    expect(resp).toEqual({ todo: { title: 'my todo', description: 'this will be done', type: 'nextWeek' } })
+  })
+})
diff --git a/tests/router.ts b/tests/router.ts
index 50e3b2d..e4901aa 100644
--- a/tests/router.ts
+++ b/tests/router.ts
@@ -102,9 +102,44 @@ export class ToDoGet extends OpenAPIRoute {
   }
 }
 
+export class ToDoCreate extends OpenAPIRoute {
+  static schema = {
+    tags: ['ToDo'],
+    summary: 'Create a new ToDo',
+    requestBody: {
+      title: String,
+      description: new Str({ required: false }),
+      type: new Enumeration({
+        values: {
+          nextWeek: 'nextWeek',
+          nextMonth: 'nextMonth',
+        },
+      }),
+    },
+    responses: {
+      '200': {
+        schema: {
+          todo: {
+            title: 'My new todo',
+            description: 'This really needs to be done next week',
+            type: 'nextWeek',
+          },
+        },
+      },
+    },
+  }
+
+  async handle(request: Request, env: any, context: any, data: Record<string, any>) {
+    return {
+      todo: data.body,
+    }
+  }
+}
+
 export const todoRouter = OpenAPIRouter()
 todoRouter.get('/todos', ToDoList)
 todoRouter.get('/todos/:id', ToDoGet)
+todoRouter.post('/todos', ToDoCreate)
 
 // 404 for everything else
 todoRouter.all('*', () => new Response('Not Found.', { status: 404 }))