CERT-In
Empanelled Firm
OWASP
API Security Top 10 Aligned
Expert-Led
Manual + Automated Testing
CWE & CVSS
Risk-Based Reporting
Key Areas We Assess
We assess the API behaviours attackers exploit most, from object-level access to tokens, inputs, and exposed data.
Authorization Controls
Object, property, and function-level access, including cross-user and cross-tenant data access.
Authentication & Tokens
API keys, OAuth flows, JWT handling, token lifetime, and credential exposure.
Input Handling & Injection
Injection, mass assignment, unsafe deserialization, and other malicious-input risks.
Data Exposure
Excessive data in responses, sensitive fields, and verbose error messages.
Business Logic & Abuse
Workflow bypass, rate limiting, resource consumption, and sensitive business flows.
Inventory & Configuration
Undocumented or deprecated endpoints, CORS, headers, and gateway settings.
Our Assessment Methodology
Specification-driven, expert-led testing with every finding manually validated before reporting.
Scope & Test Planning
Confirm APIs, versions, environments, roles, test accounts, and rules of engagement.
API Discovery & Mapping
Map endpoints, methods, parameters, and data flows from specs and traffic.
Authentication Testing
Test keys, tokens, OAuth flows, and session handling for weaknesses.
Authorization Testing
Test object, property, and function-level access across roles and tenants.
Input & Injection Testing
Test parameters and payloads for injection and unsafe processing.
Business Logic Validation
Challenge workflows and limits while manually validating every identified finding.
Reporting & Debriefing
Receive risk-ranked findings, supporting evidence, remediation guidance, and an expert walkthrough.
Retest & Closure
Verify remediated findings and document their updated closure status.
Deliverables
Every engagement delivers endpoint-level findings your API teams can act on.
Strengthen Your Security Coverage
Extend your API assessment across web and mobile front ends, source code, and cloud hosting.
Benefits of API Security Testing
Protect the data and functions your APIs expose to users, partners, and apps.
Reduced Risk Exposure
Fix exploitable API flaws before they expose data or functions.
Controlled Data Access
Confirm users and partners reach only the objects and data they should.
Safer Integrations
Reduce risk in the APIs your partners, apps, and services depend on.
Improved Compliance Readiness
Support PCI DSS, SOC 2, ISO 27001, and customer security review evidence.
Why Security Teams Choose QRC
Recognized credentials and API-focused, expert-led security testing.
Assessments delivered by a CERT-In empanelled cybersecurity firm.
Methods built around API authorization, tokens, and data flows, not only web pages.
Every finding confirmed by an analyst before it reaches your report.
Testing aligned with OWASP API Security Top 10 and NIST SP 800-115.
Case Studies
How organizations have used QRC API testing to protect customer and partner data.
API Security Resource Center
Practical guides, checklists and templates for planning API tests and remediating validated findings.
Deep Dive into the latest OWASP API Security Top 10 2023
In an increasingly interconnected digital landscape, Application Programming Interfaces (APIs) play a crucial role
Frequently Asked Questions
API testing targets endpoints directly, without relying on a user interface, so it covers authorization and data handling that front ends can hide. Many applications need both.
No. APIs can be tested on their own using specifications, collections, and test accounts. We agree which APIs, versions, and environments are in scope.
REST, GraphQL, and SOAP APIs, including internal, partner, and public APIs, as agreed during scoping.
No. We agree a test environment or controlled window, rate limits, and production-safe constraints during scoping, and follow them throughout.
Retesting of agreed findings verifies your fixes and records their updated closure status for auditors and customers. Retest scope is confirmed during scoping.
Ready to Secure Your APIs?
Tell us about your APIs, users, and integrations. Our experts will help define the right scope, approach, and next steps.