Professional Security Service
API Penetration Testing
Security assessment of REST, GraphQL, SOAP, and gRPC APIs. Identify authentication flaws, authorization bypasses, and data exposure risks.
Request a QuoteWhat This Covers
Authentication mechanism analysis (OAuth, JWT, API keys)
Authorization and access control testing
Input validation and injection attacks
Rate limiting and resource exhaustion
Business logic vulnerability testing
Data exposure and information leakage
API versioning and deprecation issues
How We Test
API testing follows OWASP API Security Top 10 with comprehensive manual testing of all endpoints.
1API documentation review and endpoint enumeration
2Authentication flow analysis
3Authorization testing across user roles
4Input validation and fuzzing
5Business logic testing
6Rate limiting and abuse testing
7Error handling and information disclosure
8Reporting with API-specific remediation
Deliverables
API security assessment report
Endpoint-by-endpoint vulnerability findings
Authentication and authorization analysis
Proof-of-concept requests and responses
Remediation guidance for developers
Engagement Options
1
REST API testing2
GraphQL API testing3
SOAP/XML API testing4
gRPC and WebSocket testing5
Full API gateway assessmentTypical Findings
Broken object-level authorization (BOLA)
Broken authentication implementations
Excessive data exposure in responses
Lack of rate limiting enabling abuse
Mass assignment vulnerabilities
Security misconfiguration in API gateways
Improper inventory management (shadow APIs)
Injection vulnerabilities in API parameters
Frequently Asked Questions
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Contact us to discuss your security requirements and receive a tailored proposal.
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