Modern applications depend on APIs for smooth data transfer between the platforms and services. The importance of strong API security testing has never before been so relevant as a recent report indicated, with API threats rising by 82% in just the past year.
Even though over 90% of companies today use APIs, only half of them test APIs for vulnerabilities. This gap creates numerous risks for companies.
In 2025, it is necessary to partner with the top API security test firms to stay ahead of the curve against changing threats. Let’s look at the Top 5 Best API Security Testing Companies 2025
How to Choose an API Security Testing Company
Choosing the right API security testing company can be overwhelming. Here are some tips to make the process smoother:
- Focus on Post-Test Support: Make sure they provide follow-up testing and remediation advice.
- Evaluate Expertise: Seek out businesses that have a track record of successfully testing API security, particularly in your sector.
- Check for Certifications: Verify if the team has the necessary cybersecurity certifications, such as OSCP or CEH.
- Ask for Case Studies: Check out how they have handled comparable issues for other customers.
- Get a Clear Proposal: Before you sign a contract, be sure you understand the testing’s deliverables, methods, and scope.
1. Bluefire Redteam
Bluefire Redteam renders exhaustively API security testing services to safeguard your web environment. With a team of skilled professionals, we use state-of-the-art techniques and equipment to detect vulnerabilities through which confidentiality can be compromised or unauthorized access can be gained.
What Makes Bluefire Redteam the Go-To API Security Testing Partner?
- Comprehensive API Vulnerability Assessment: Identify OWASP API’s Top 10 risks, including broken authentication and improper asset management.
- Automated and Manual Testing: Combine automated scanning with expert manual analysis to uncover complex vulnerabilities.
- Continuous API Monitoring: Keep your APIs secure in real time with proactive threat detection.
- Detailed Reporting and Remediation Support: Get clear, actionable insights to fix vulnerabilities promptly.
- Live Vulnerability Insights: Using PentestLive, Bluefire Redteam provides real-time insights into security assessments.
Read More: How we identified a critical SQL Injection Vulnerability In a production API
We are a top penetration testing provider!
Bluefire Redteam’s API Penetration Testing Cost
The API security testing service pricing can be customized to suit the size, quality, and complexity of your project.
- Basic Package: Starting at $2,000 – Ideal for small APIs.
- Standard Package: Starting at $4,500 – Suitable for medium to large APIs.
- Advanced Package: Starting at $7,500 – Includes comprehensive testing and continuous monitoring.
2. Beagle Security
Beagle Security is all about continuous vulnerability assessment and automated API security testing. Their product focuses on early detection of security concerns during the API development lifecycle, so organizations can find and fix vulnerabilities before moving them to production.
3. Acunetix
Acunetix is one of the few automated tools capable of verifying the security of APIs. It includes the detection of the most common flaws and ensures that the API endpoints are protected against XSS, SQL Injection, and other threats.
4. Postman
Postman is actually a versatile platform for the development and testing of APIs with automatic security checks and integration testing. Primarily, it has been established as a programming tool, so it does have major security testing capabilities in it.
5. Checkmarx
While talking about code analysis and API security, Checkmarx offers SAST as well as DAST tools to find bugs in APIs on their interactions and in the software code.
Final Thoughts
It will no longer be a “best practice” in 2025 to secure API security testing and it becomes mandatory. Given the pace of developing cyber threats, it is always the best time to pick a reliable partner who understands the complexities of API vulnerabilities. And not only does Bluefire Redteam lead the pack in cutting-edge techniques and unparalleled experience, but it also tailors solutions to meet your unique requirements.
Reach out to us today to secure your API with a security-first approach!
Frequently Asked Questions(FAQs)
1. What is API security testing?
API Security Testing evaluates the APIs to discover loopholes that malicious hackers could exploit. It ensures data security in the process and communication between the different systems.
2. Why is API security important?
APIs have become the most favoured target for cyber attackers as they allow access to crucial operations and data from external systems. Thus, the security of APIs is crucial in ensuring data integrity and compliance.
3. How often should API security testing be performed?
API security tests regularly are recommended, especially after updates or new features have been implemented.
4. How much does API security testing cost?
The size, complexity, and degree of testing needed for the application all affect the price. Bluefire Redteam offers packages ranging from $2,000 to $7,500.
5. Can I perform API security testing in-house?
It is indeed possible to conduct this testing on behalf of an in-house team, or else opt for professional services from organizations such as Bluefire Redteam for comprehensive coverage and thorough expertise.