diff --git a/packages/node/src/lib/ReadMe.ts b/packages/node/src/lib/ReadMe.ts
index fb54eda9f..3089aa573 100644
--- a/packages/node/src/lib/ReadMe.ts
+++ b/packages/node/src/lib/ReadMe.ts
@@ -41,8 +41,8 @@ export interface GroupingObject {
 // Typing the return as unknown to make it easier to format the user to our format in the middleware
 // This way these functions can just return from their database
 interface GetUserParams {
-  byAPIKey: (apiKey: string) => Promise<GroupingObject | void>;
-  byEmail: (email: string) => Promise<GroupingObject | void>;
+  byAPIKey: (apiKey: string) => Promise<GroupingObject | undefined | void> | undefined;
+  byEmail: (email: string) => Promise<GroupingObject | undefined | void> | undefined;
   manualAPIKey?: string;
 }
 
diff --git a/packages/node/test/index.test.ts b/packages/node/test/index.test.ts
index f7c844e85..023156db8 100644
--- a/packages/node/test/index.test.ts
+++ b/packages/node/test/index.test.ts
@@ -48,7 +48,7 @@ const server = setupServer(
 
 function doMetricsHeadersMatch(headers: Headers) {
   const auth = headers.get('authorization');
-  const decodedAuth = Buffer.from(auth.replace(/^Basic /, ''), 'base64').toString('ascii');
+  const decodedAuth = Buffer.from((auth || '').replace(/^Basic /, ''), 'base64').toString('ascii');
   const contentType = headers.get('content-type');
   const userAgent = headers.get('user-agent');
   return (
@@ -625,7 +625,7 @@ describe('#metrics', function () {
         http.post(`${config.host}/v1/request`, async ({ request: req }) => {
           const body = (await req.json()) as OutgoingLogBody[];
           if (doMetricsHeadersMatch(req.headers)) {
-            expect(body[0].request.log.entries[0].request.postData[checkLocation]).toStrictEqual(requestBody);
+            expect(body[0].request.log.entries[0].request.postData?.[checkLocation]).toStrictEqual(requestBody);
             return new HttpResponse(null, { status: 200 });
           }
 
diff --git a/packages/node/test/lib/construct-payload.test.ts b/packages/node/test/lib/construct-payload.test.ts
index 5b1987e9c..96cabeab2 100644
--- a/packages/node/test/lib/construct-payload.test.ts
+++ b/packages/node/test/lib/construct-payload.test.ts
@@ -7,7 +7,7 @@ import * as qs from 'querystring';
 
 import { isValidUUIDV4 } from 'is-valid-uuid-v4';
 import request from 'supertest';
-import { describe, expect, expectTypeOf, it } from 'vitest';
+import { describe, expect, it } from 'vitest';
 
 import pkg from '../../package.json';
 import { constructPayload, mask } from '../../src/lib/construct-payload';
@@ -33,6 +33,7 @@ function createApp(options?: LogOptions, payloadData?: PayloadData) {
         parsedBody = qs.parse(body);
       }
 
+      // @ts-expect-error deliberately passing in potentially bad data
       res.end(JSON.stringify(constructPayload(req, res, { ...payloadData, requestBody: parsedBody }, options)));
     });
   };
@@ -81,8 +82,6 @@ describe('constructPayload()', function () {
       .send({ password: '123456' })
       .expect(({ body }) => {
         expect(isValidUUIDV4(body._id)).toBe(true);
-        expectTypeOf(body.request.log.entries[0].request).toBeObject();
-        expectTypeOf(body.request.log.entries[0].response).toBeObject();
         expect(body.request.log.entries[0].request.postData).toStrictEqual({
           mimeType: 'application/json',
           text: '{"password":"[REDACTED 6]"}',
@@ -140,7 +139,6 @@ describe('constructPayload()', function () {
     return request(createApp(undefined, group))
       .post('/')
       .expect(({ body }) => {
-        expectTypeOf(body.request.log.entries[0].time).toBeNumber();
         expect(body.request.log.entries[0].time).toBe(20000);
       });
   });
diff --git a/packages/node/test/lib/get-group-id.test.ts b/packages/node/test/lib/get-group-id.test.ts
index 0a8d46951..19d2bfa8e 100644
--- a/packages/node/test/lib/get-group-id.test.ts
+++ b/packages/node/test/lib/get-group-id.test.ts
@@ -35,6 +35,7 @@ describe('getGroupId', () => {
     });
 
     it('returns undefined when no user is passed', () => {
+      // @ts-expect-error deliberately passing in bad data
       const groupId = getGroupIdByOperation(undefined, operation as Operation);
       expect(groupId).toBeUndefined();
     });
@@ -174,6 +175,7 @@ describe('getGroupId', () => {
       });
 
       it('does not error if the keys array is null', () => {
+        // @ts-expect-error deliberately passing in bad data
         const user = mockUser(null);
         const groupId = getGroupIdByOperation(user, operation as Operation);
 
@@ -184,6 +186,7 @@ describe('getGroupId', () => {
 
   describe('byApiKey', () => {
     it('returns undefined when no user is passed', () => {
+      // @ts-expect-error deliberately passing in bad data
       const groupId = getGroupByApiKey(undefined, 'requestApiKey');
       expect(groupId).toBeUndefined();
     });
@@ -194,6 +197,7 @@ describe('getGroupId', () => {
     });
 
     it('returns undefined for a user with a null keys array', () => {
+      // @ts-expect-error deliberately passing in bad data
       const groupId = getGroupByApiKey(mockUser(null), 'requestApiKey');
       expect(groupId).toBeUndefined();
     });
@@ -220,14 +224,14 @@ describe('getGroupId', () => {
         ]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('key-2-id');
+        expect(groupId?.id).toBe('key-2-id');
       });
 
       it('returns the id of the key as first priority', () => {
         const user = mockUser([{ id: 'key-1-id', name: 'key-1-name', otherField: 'requestApiKey' }]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('key-1-id');
+        expect(groupId?.id).toBe('key-1-id');
       });
 
       it('returns the apiKey of the key as second priority', () => {
@@ -240,35 +244,35 @@ describe('getGroupId', () => {
         ]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('key-1-apiKey');
+        expect(groupId?.id).toBe('key-1-apiKey');
       });
 
       it('returns the value of the matching apiKey as the third priority', () => {
         const user = mockUser([{ otherField: 'requestApiKey' }]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('requestApiKey');
+        expect(groupId?.id).toBe('requestApiKey');
       });
 
       it('returns the basic user as the fourth priority', () => {
         const user = mockUser([{ user: 'basic-user', pass: 'basic-pass' }]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('basic-user');
+        expect(groupId?.id).toBe('basic-user');
       });
 
       it('returns the name of the key as fifth priority', () => {
         const user = mockUser([{ name: 'key-1-name' }]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('key-1-name');
+        expect(groupId?.id).toBe('key-1-name');
       });
 
       it('supports having nested basic auth', () => {
         const user = mockUser([{ notRelevant: 'foo' }, { basic: { user: 'basic-user', pass: 'basic-pass' } }]);
         const groupId = getGroupByApiKey(user, 'basic-user');
 
-        expect(groupId.id).toBe('basic-user');
+        expect(groupId?.id).toBe('basic-user');
       });
     });
 
@@ -283,7 +287,7 @@ describe('getGroupId', () => {
         ]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.id).toBe('key-1-id');
+        expect(groupId?.id).toBe('key-1-id');
       });
     });
 
@@ -298,7 +302,7 @@ describe('getGroupId', () => {
         ]);
         const groupId = getGroupByApiKey(user, 'requestApiKey');
 
-        expect(groupId.label).toBe('key-1-name');
+        expect(groupId?.label).toBe('key-1-name');
       });
     });
   });
diff --git a/packages/node/test/lib/process-request.test.ts b/packages/node/test/lib/process-request.test.ts
index 2445529df..e052a1e6e 100644
--- a/packages/node/test/lib/process-request.test.ts
+++ b/packages/node/test/lib/process-request.test.ts
@@ -526,6 +526,7 @@ describe('process-request', function () {
     });
 
     it('should not error with no body', function () {
+      // @ts-expect-error deliberately passing in bad data
       return request(createApp({}, false, null))
         .post('/')
         .set('content-type', 'application/x-www-form-urlencoded')
diff --git a/packages/node/test/lib/verify-webhook.test.ts b/packages/node/test/lib/verify-webhook.test.ts
index ff6ce54f1..c6fa24020 100644
--- a/packages/node/test/lib/verify-webhook.test.ts
+++ b/packages/node/test/lib/verify-webhook.test.ts
@@ -59,6 +59,7 @@ describe('verifyWebhook', function () {
     const secret = 'docs4dayz';
 
     expect(() => {
+      // @ts-expect-error deliberately passing in bad data
       verifyWebhook(body, undefined, secret);
     }).toThrow(/Missing Signature/);
   });
diff --git a/packages/node/test/tsconfig.json b/packages/node/test/tsconfig.json
index 25b837d8a..8a8e2ca92 100644
--- a/packages/node/test/tsconfig.json
+++ b/packages/node/test/tsconfig.json
@@ -3,7 +3,8 @@
   "compilerOptions": {
     "downlevelIteration": true,
     "noImplicitAny": true,
-    "strict": false
+    "noEmit": true,
+    "strict": true
   },
   "include": ["./index.test.ts", "./lib/*.ts", "./global.d.ts"]
 }