Top 10 Best API Security Testing Tools in 2025
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StackHawk Platform
Your complete runtime application and API security testing platform.
API Attack Surface Discovery
Automatically map your complete API attack surface
Runtime Application Security Testing
Seamlessly find and fix app vulnerabilities in runtime
Application Security Oversight
Continuously monitor your application security risk
Use Cases
Modern DAST
Runtime, pre-production testing for apps & APIs
Shift-Left API Security Testing
Ship secure APIs with automated testing in CI/CD
Code-Based Sensitive Data Detection
Identify and test APIs handling PII, PCI, and PHI data
gRPC Security Testing
Keep your gRPC services secure with automated testing
GraphQL Security Testing
Check for GraphQL vulnerabilities on every pull request
Industries
Healthcare
Secure HIPPA Data and Maintain Trust with StackHawk
FinServ
Move beyond GLBA and SOX checkboxes
Developers
Docs
Learn how StackHawk works and integrates in your stack
Technical Blogs
Dive into common vulnerabilities and how to fix them
Getting Started
Start scanning your application or API with our tutorials
StackHawk API
Explore the StackHawk API and start integrating today
Security
Watch a Demo
See the StackHawk platform and scanner in flight
Blog
Read product updates, guides, tutorials, and more
Shift-Left Maturity Model
Get best practices for embracing shift-left AppSec
All Resources
Dive into our webinars, news, reports, and more
About Us
KaaKaww!! Meet our hawksome team and discover what makes our nest so special.
Customers
Read about how innovators use StackHawk to ship securely
Partners
Learn about our technology and channel partners
Contact
Give us a squawk
Careers
See our open positions to join our nest
News
Hot off the perch: see what we’ve been up to
StackHawk Platform
Your complete runtime application and API security testing platform.
API Attack Surface Discovery
Automatically map your complete API attack surface
Runtime Application Security Testing
Seamlessly find and fix app vulnerabilities in runtime
Application Security Oversight
Continuously monitor your application security risk
Use Cases
Modern DAST
Runtime, pre-production testing for apps & APIs
Shift-Left API Security Testing
Ship secure APIs with automated testing in CI/CD
Code-Based Sensitive Data Detection
Identify and test APIs handling PII, PCI, and PHI data
gRPC Security Testing
Keep your gRPC services secure with automated testing
GraphQL Security Testing
Check for GraphQL vulnerabilities on every pull request
Industries
Healthcare
Secure HIPPA Data and Maintain Trust with StackHawk
FinServ
Move beyond GLBA and SOX checkboxes
Developers
Docs
Learn how StackHawk works and integrates in your stack
Technical Blogs
Dive into common vulnerabilities and how to fix them
Getting Started
Start scanning your application or API with our tutorials
StackHawk API
Explore the StackHawk API and start integrating today
Security
Watch a Demo
See the StackHawk platform and scanner in flight
Blog
Read product updates, guides, tutorials, and more
Shift-Left Maturity Model
Get best practices for embracing shift-left AppSec
All Resources
Dive into our webinars, news, reports, and more
About Us
KaaKaww!! Meet our hawksome team and discover what makes our nest so special.
Customers
Read about how innovators use StackHawk to ship securely
Partners
Learn about our technology and channel partners
Contact
Give us a squawk
Careers
See our open positions to join our nest
News
Hot off the perch: see what we’ve been up to
Watch StackHawk's Office Hours to learn about our newest platform addition: AI-Powered Open API Spec Generation. Visibility is the first step to...
APIs are the backbone of modern applications, with API-related incidents now among the leading causes of data breaches—even as the API security...
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