Testing API Security with OWASP Top 10

When to Use

During authorized API penetration testing engagements
When assessing REST, GraphQL, or gRPC APIs for security vulnerabilities
Before deploying new API endpoints to production environments
When reviewing API security posture against the OWASP API Security Top 10 (2023)
For validating API gateway security controls and rate limiting effectiveness

Authorization: Written scope document covering all API endpoints to be tested
Burp Suite Professional: For intercepting and modifying API requests
Postman: For organizing and executing API test collections
ffuf: For API endpoint and parameter fuzzing
curl/httpie: Command-line HTTP clients for manual testing
API documentation: Swagger/OpenAPI spec, GraphQL schema, or API docs
jq: JSON processor for parsing API responses (apt install jq)