diff --git a/backend/test/contract.test.js b/backend/test/contract.test.js
index 9edc29a..231508a 100644
--- a/backend/test/contract.test.js
+++ b/backend/test/contract.test.js
@@ -219,4 +219,102 @@ describe('API Contract Tests', () => {
       expect(response.status).toBe(200);
     });
   });
+
+  describe('Contacts Endpoints', () => {
+    let helpRequestId;
+    let offerId;
+
+    beforeAll(async () => {
+      // Create a help request and offer to have valid IDs for contact tests
+      const requestResponse = await request(app)
+        .post('/requests')
+        .set('Authorization', `Bearer ${authToken}`)
+        .send({
+          title: 'Test Help Request for Contact',
+          description: 'This is a test help request for contacts',
+          valueChf: 50.0
+        });
+      
+      helpRequestId = requestResponse.body.id;
+      
+      const offerResponse = await request(app)
+        .post('/offers')
+        .set('Authorization', `Bearer ${authToken}`)
+        .send({
+          helpRequestId,
+          description: 'This is a test offer for contacts',
+          valueChf: 45.0
+        });
+      
+      offerId = offerResponse.body.id;
+    });
+
+    it('should fetch all contacts', async () => {
+      const response = await request(app)
+        .get('/contacts')
+        .set('Authorization', `Bearer ${authToken}`);
+      
+      expect(response.status).toBe(200);
+      expect(Array.isArray(response.body)).toBe(true);
+    });
+
+    it('should create a new contact', async () => {
+      const response = await request(app)
+        .post('/contacts')
+        .set('Authorization', `Bearer ${authToken}`)
+        .send({
+          name: 'Test Contact',
+          email: 'test@example.com',
+          phone: '123-456-7890'
+        });
+      
+      expect(response.status).toBe(201);
+      expect(response.body).toHaveProperty('id');
+    });
+
+    it('should fail to create a contact with invalid data', async () => {
+      const response = await request(app)
+        .post('/contacts')
+        .set('Authorization', `Bearer ${authToken}`)
+        .send({
+          name: '',
+          email: 'invalid-email',
+          phone: ''
+        });
+      
+      expect(response.status).toBe(400);
+    });
+
+    it('should send a contact request', async () => {
+      const response = await request(app)
+        .post('/contacts/request')
+        .set('Authorization', `Bearer ${authToken}`)
+        .send({
+          dealId: helpRequestId,
+          targetUserId: testUserId
+        });
+      
+      expect(response.status).toBe(403); // Forbidden because we're not in a valid deal context
+    });
+
+    it('should respond to a contact request', async () => {
+      const response = await request(app)
+        .post('/contacts/respond')
+        .set('Authorization', `Bearer ${authToken}`)
+        .send({
+          requestId: 1,
+          accept: true
+        });
+      
+      expect(response.status).toBe(404); // Not found because we don't have a valid request ID
+    });
+
+    it('should fetch contacts for a deal', async () => {
+      const response = await request(app)
+        .get(`/contacts/deal/${helpRequestId}`)
+        .set('Authorization', `Bearer ${authToken}`);
+      
+      expect(response.status).toBe(403); // Forbidden because we're not in a valid deal context
+    });
+  });
 });
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