API Security Testing
Service Overview
APIs are the backbone of modern applications and a prime target for attackers. Our API Security Testing service uncovers vulnerabilities in REST, SOAP, GraphQL, and other APIs to ensure your backend services are secure, compliant, and hardened against exploitation. We simulate real-world abuse cases to identify broken authentication, excessive data exposure, injection flaws, and business logic vulnerabilities before attackers do.
What Is API Security Testing?
API Security Testing is a comprehensive security evaluation of your application's Application Programming Interfaces (APIs). This includes validating how clients interact with services, how authentication and access control are enforced, and how data flows through endpoints. We test for both technical flaws and logical abuse scenarios ensuring your APIs are not just functional, but resilient against modern threat vectors.
What Do We Test?
We perform exhaustive testing across key API security risks, including
Our Testing Process
We follow a proven methodology to ensure nothing gets overlooked
Define Scope
Identify endpoints, roles, and third-party integrations to design a focused, goal-oriented test plan.
Information Gathering
Analyze API documentation, Swagger/OpenAPI files, Postman collections, and network captures to understand functionality and flow
Enumeration
Discover hidden or undocumented endpoints, parameters, and behaviors exposing the full attack surface.
Exploitation Simulation
Manual and automated tests against authentication, access control, rate limits, input validation, and logic flaws.
Reporting & Collaboration
You receive detailed vulnerability findings, risk levels, and tailored recommendations.We work alongside your devs to ensure secure and smooth remediation.
Retesting
After your fixes are implemented, we perform a revalidation to confirm vulnerabilities are resolved and your APIs are secure.
Why Choose Us?
API Security Experts
Experience in REST, SOAP, GraphQL, and Webhooks
Manual-First Approach
We dig deeper than automated scanners
Zero False Positives
Actionable, high-confidence findings
Business Logic Testing
Real abuse-case simulation, not just OWASP Top 10
Dev-Friendly Guidance
Remediation support at the code and architecture level
Kunal Namdas
Information Security Officer
Key Benefits
Why Our API Security Testing Delivers Real Impact
Comprehensive OWASP API Top 10 Coverage
We go beyond surface-level scans to identify complex API-specific threats and compliance risks.
Protection Against Modern API Threats
Detects issues like BOLA, mass assignment, and insecure tokens before they’re exploited in the wild.
Secure Multi-Role Access
We validate API behavior for different roles ensuring privilege boundaries are enforced properly across users, admins, and third parties.
Logic Abuse Identification
Catch flaws like business rule bypasses, pricing manipulation, or resource misuse that automation misses.
Cryptography & Token Validation
We evaluate your use of JWTs, OAuth, HMACs, and encryption to ensure your data and sessions are secure.
Scalable & Future-Proof
Whether you're building an internal microservice or a public developer platform, our methodology adapts to your API’s structure and growth.