api-security-testing

name	api-security-testing
description	API security testing workflow for REST and GraphQL APIs covering authentication, authorization, rate limiting, input validation, and security best practices.
type	skill
created	2026-02-27T00:00:00.000Z
domain	security
category	app-security
risk	safe
source	personal
tags	["skill","security","app-security","api","testing"]

API Security Testing Workflow

Overview

Specialized workflow for testing REST and GraphQL API security including authentication, authorization, rate limiting, input validation, and API-specific vulnerabilities.

When to Use This Workflow

Use this workflow when:

• Testing REST API security
• Assessing GraphQL endpoints
• Validating API authentication
• Testing API rate limiting
• Bug bounty API testing

Workflow Phases

Phase 1: API Discovery

Skills to Invoke

• api-fuzzing-bug-bounty - API fuzzing
• scanning-tools - API scanning

Actions

1. Enumerate endpoints
2. Document API methods
3. Identify parameters
4. Map data flows
5. Review documentation

Copy-Paste Prompts

Use @api-fuzzing-bug-bounty to discover API endpoints

Phase 2: Authentication Testing

Skills to Invoke

• broken-authentication - Auth testing
• api-security-best-practices - API auth

Actions

1. Test API key validation
2. Test JWT tokens
3. Test OAuth2 flows
4. Test token expiration
5. Test refresh tokens

Copy-Paste Prompts

Use @broken-authentication to test API authentication

Phase 3: Authorization Testing

Skills to Invoke

• idor-testing - IDOR testing

Actions

1. Test object-level authorization
2. Test function-level authorization
3. Test role-based access
4. Test privilege escalation
5. Test multi-tenant isolation

Copy-Paste Prompts

Use @idor-testing to test API authorization

Phase 4: Input Validation

Skills to Invoke

• api-fuzzing-bug-bounty - API fuzzing
• sql-injection-testing - Injection testing

Actions

1. Test parameter validation
2. Test SQL injection
3. Test NoSQL injection
4. Test command injection