API penetration testing services
Ensure your APIs are protected from cyber threats with expert API penetration testing. Our security specialists identify vulnerabilities in REST, SOAP, and GraphQL APIs - helping you safeguard sensitive data and critical business systems.
Expert API security testing services
Security testing should strengthen your organisation - not overwhelm it. At WorkNest, we combine deep technical expertise with practical business understanding to deliver testing that drives measurable improvement.
Comprehensive API Pen Testing
We test your APIs for vulnerabilities in authentication, authorization, misconfigurations, and business logic flaws, covering REST, SOAP, and GraphQL protocols.
Continuous API Security Monitoring
Stay protected with continuous testing. We’ll help you detect new vulnerabilities as they arise- so your APIs stay secure 24/7.
Competitive API Pen Testing Pricing
Whether you're a startup or an enterprise, our API pen testing services are priced to deliver maximum value without compromising on quality or results.
Modern Dashboard Platform
Prioritize pen test results and get remediation guidance from our easy to use dashboard
Actionable Security Insights
Get a prioritized list of vulnerabilities through our easy-to-use dashboard. See what matters most, fix issues faster, and reduce your overall risk.
Wide range of expertise
We offer testing across everything from infrastructure and mobile applications to cloud and IoT environments
Why API security testing is essential
Why API security testing is essential
Why API security testing is essential
API penetration testing simulates real-world attacks to uncover vulnerabilities in your business’s authentication, authorization, and data handling processes. WorkNest's API security specialists use the same techniques as threat actors to identify flaws in REST, SOAP, and GraphQL APIs, including misconfigurations and business logic errors.
Testing your APIs regularly is critical for protecting sensitive data, maintaining secure development practices, and meeting industry compliance requirements. API security testing helps you stay ahead of attackers to keep your systems and customers safe while your business stays operational.
API penetration testing simulates real-world attacks to uncover vulnerabilities in your business’s authentication, authorization, and data handling processes. WorkNest's API security specialists use the same techniques as threat actors to identify flaws in REST, SOAP, and GraphQL APIs, including misconfigurations and business logic errors.
Testing your APIs regularly is critical for protecting sensitive data, maintaining secure development practices, and meeting industry compliance requirements. API security testing helps you stay ahead of attackers to keep your systems and customers safe while your business stays operational.
Benefits of API penetration testing
Web applications and associated APIs are the core of many organizations’ business, making them a prime target for hackers to attack. Web app pen testing gives you the power to find your security flaws and lock them down, before they’re found by cyber criminals.
WorkNest customize the tests we do to make sure we’re capturing all your security and business objectives. This guarantees that the test we undertake is a best fit for the unique needs of your web app or API.
Identify bad security practices in your APIs
Identify bad security practices in your APIs
Uncover business logic flaws and misconfigurations
Types of API Penetration Testing
Authenticated API Testing
Authenticated (white box) testing evaluates your APIs from the perspective of a legitimate user malicious or compromised. This method uncovers issues like broken access controls, privilege escalation, and excessive data exposure that could be exploited from within.
Unauthenticated API Testing
Unauthenticated (black box) testing simulates an external attacker with no valid credentials. This approach is critical for discovering exposed endpoints, broken authentication, misconfigurations, and other external-facing vulnerabilities.
Integrated API Security Testing
APIs are deeply embedded in web and mobile applications. While API checks are often part of web app penetration tests, a dedicated API security assessment offers deeper visibility into API-specific threats, logic flaws, and risks often missed in broader testing.
Most common API security vulnerabilities
Most common API security vulnerabilities
Most common API security vulnerabilities
The most common API security vulnerabilities identified during pen testing:
Improper API Authentication and Access Controls
Broken Object-Level Authorization (BOLA)
Excessive Data Exposure
Lack of Rate Limiting
Injection Attacks (SQLi, XMLi, JSONi, Command Injection)
Insecure API Key Management
API Security Misconfigurations
Unrestricted File Upload
Server-Side Request Forgery (SSRF)
WorkNest API pen test methodology
Industry standard best practices are embedded into all WorkNest penetration tests
Based on your defined goals, we’ll work with you to develop a tailored testing strategy.
In this reconnaissance stage, our experts use the latest groundbreaking techniques to gather as much security information as possible.
Using the latest tools and sector knowledge, we’ll uncover what’s making your critical assets vulnerable and at risk from attack.
Using a range of custom-made exploits and existing software, our penetration testers will test all core infrastructure and components without disrupting your business.
The team will determine the risks and pivot to other systems and networks if within the scope of the test. All compromised systems will be thoroughly cleaned of any scripts.
Our security team will produce a comprehensive report with their findings. Once received, we’ll invite you for a collaborative read through. You’ll have the opportunity to ask questions and request further information on key aspects of your test.
What our clients say
We’ve always been very impressed with the cyber security services WorkNest Secure provide us. Their professional approach, knowledge and flexibility have ensured they have become a key trusted partner in our supply chain.
Paymentsense
Founder
WorkNest Secure delivered a highly professional and thorough incident response service. Their team’s technical knowledge, attention to detail, and clear communication throughout the process made a complex area easy to navigate. The quality of the analysis and final reporting gave us real assurance and added value to our internal security efforts, minimising the impact to the business.
Shoezone
Head of IT
