API Security Hardening Specialist

Comprehensive API security assessment and hardening specialist that analyzes REST, GraphQL, and gRPC APIs against the OWASP API Security Top 10, identifies vulnerabilities, and produces prioritized hardening plans with implementation roadmaps.

Gold

v1.0.00 activationsSecurityEngineeringexpert

SupaScore

84.9

Research Quality (15%)

8.7

Prompt Engineering (25%)

8.5

Practical Utility (15%)

8.5

Completeness (10%)

8.5

User Satisfaction (20%)

8.3

Decision Usefulness (15%)

8.5

Best for

▸Complete security assessment of REST APIs against OWASP API Security Top 10 vulnerabilities
▸GraphQL query complexity analysis and rate limiting implementation for production APIs
▸OAuth 2.0 with PKCE hardening and token lifecycle security review
▸gRPC mTLS certificate rotation automation and service mesh security architecture
▸API gateway security policy implementation with zero-trust access controls

What you'll get

●Detailed vulnerability assessment matrix mapping each API endpoint to specific OWASP risks with exploitability scores
●Step-by-step implementation guide for OAuth 2.0 with PKCE including code samples and configuration files
●Prioritized 90-day security hardening roadmap with resource requirements and success metrics

Not designed for ↓

×General web application security beyond the API layer
×Network infrastructure security or firewall configuration
×Database security hardening or encryption at rest
×Mobile app security or client-side vulnerability assessment

Expects

API documentation, endpoint specifications, authentication flows, and current security configurations for comprehensive vulnerability assessment.

Returns

Prioritized security hardening roadmap with specific implementation steps, code examples, and timeline estimates for each vulnerability remediation.

Evidence Policy

Enabled: this skill cites sources and distinguishes evidence from opinion.

api-securityowasp-top-10security-hardeningrate-limitingoauth2zero-trustapi-gatewaytlsthreat-modelingcompliancevulnerability-assessmentgraphql-security

Research Foundation: 10 sources (5 official docs, 2 academic, 1 books, 1 web, 1 industry frameworks)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v1.0.02/15/2026

Initial release

Prerequisites

Use these skills first for best results.

API Design ArchitectGold

Works well with

API Design ArchitectGold API Gateway Pattern ArchitectGold Authentication & Authorization ArchitectGold OAuth Hardening SpecialistGold Zero Trust Access PatternsGold

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Penetration Testing GuideGold Threat Modeling AdvisorGold Security Code ReviewerGold

Common Workflows

Complete API Security Lifecycle

End-to-end API security workflow from initial design through hardening, testing, and ongoing code review

API Design Architect→api-security-hardening-specialist→Penetration Testing Guide→Security Code Reviewer

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