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Question 71 of 100
API Security Testing
Advanced
Q71: How Do You Test API Access Control and Role-Based Security?
🛡️Core Concept
How Do You Test API Access Control and Role-Based Security?
Key Takeaways & Architecture Summary
- ✓Create a matrix of roles (e.g. Guest, User, Manager, Admin).
- ✓Verify that requests with lower privilege tokens are rejected on admin routes.
- ✓Confirm that resource access is blocked across tenants (BOLA checks).
Direct Answer Summary
Testing access control (RBAC) involves executing every endpoint in your API using authentication tokens from different user privilege levels. You map out expected access rules (e.g., Guest can read, Admin can delete), and assert that the API rejects unauthorized operations with an HTTP 403 Forbidden.
⚠️ Senior Engineering Warning (Red Flag)
Never test authorization boundaries using only one administrator token. You must run negative paths using guest tokens to guarantee that role barriers are active.
💡 STAR Architectural Explanation & Pro Tip
Access control testing is best automated using parameter-driven testing, where your suite runs the same endpoint URLs using different bearer tokens to verify permission boundaries.
PlaywrightApiTest.ts
Playwright API// Playwright test validating role barriers
const adminResponse = await apiContext.delete('/api/v1/jobs/12', {
headers: { 'Authorization': 'Bearer standard_user_token' }
});
expect(adminResponse.status()).toBe(403); // Standard user cannot delete!