Don’t leave your security to chance—book an API penetration test
Simulated attacks on your product identify security issues and vulnerabilities

Request an API penetration test now
THE STEPS TO CYBERSECURITY
Identify vulnerabilities
Verify security controls
Ensure regulatory compliance
Get remediation guidance
Get a penetration testing quote—fast and easy
Fill out the form, and we’ll follow up via email to discuss your specific requirements. Based on your needs, we’ll prepare a personalized penetration testing quote for your review.
Proven approach,
actionable guidelines
Move beyond superficial scanner-generated reports. With our grey-box testing and advanced security methodology, we uncover hidden threats and provide clear advice for minimizing the risk.
Automated
Vulnerability scanners provide a useful overview of the target system, allowing us to focus on the crucial features.
&
Manual
An experienced team of product builders and testers knows exactly where to check for cracks that automated tests may miss.
Have more questions about our pen testing process?
Explore our penetration testing packages
ESSENTIAL | COMPREHENSIVE | CONTINUOUS | |
Use case | Compliance and regulatory requirements | Detailed security assessment | Continuous security assessment |
Duration | Up to 1 week | 2-4 weeks | Custom |
Business logic testing | Mostly automated | Comprehensive, automated & manual | Comprehensive, automated & manual |
Target | One application or service | Multiple applications or services | System |
Report | Yes | Yes, customized report | Yes, customized report |
Retest | No | Yes, within 3 months | Yes, continuous testing |
Have a specific need?
Get a custom penetration testing plan
Fill out a 2-minute form and our experienced engineers will reach out to you in one working day with tailored security proposal.
Don’t take our word for it
Here is what business execs said about our penetration testing services.

“The Infinum team impressed us with their professionalism. It was refreshing to work with an external team that understands the technical aspects of our product. We’re delighted that we’ve found a reliable partner to enhance our organization’s security posture.”
NIVES BUČIĆ PETRUŠIĆ
HEAD OF ENGINEERING,
SYSKIT

“Infinum experts conducted a detailed analysis and identified weaknesses we couldn’t find through regular security testing. A valuable partnership for any technology-driven organization!”
GORAN RAMADANOVIĆ
CTO, LEGIT

“Infinum team has consistently demonstrated professionalism and friendliness. Their clear communication throughout the pen test process and in presenting the results has been invaluable in strengthening our platform’s security. We highly value their expertise and look forward to continuing our collaboration with them.”
NENAD FILIPOVIĆ
VP OF ENGINEERING,
GIS CLOUD

“The team at Infinum guided us through the entire process. By delving into the business logic, they managed to understand those areas that were of the highest importance to our customers.”
JAN VARLJEN
CTO, PRODUCTIVE

“Throughout the penetration testing process, the team was incredibly thorough and professional. They identified a number of vulnerabilities that we were not aware of and provided us with clear, actionable recommendations for addressing them.”
IVAN PADAVIĆ
CTO, RENTLIO
FAQ
If you have a question we haven’t covered here, drop us a line in the contact form.
The first thing we do is assess your needs and system, determine the testing scope, and agree on a timeline. Afterward, you prepare the test environment and documentation, and the testing can start. You can contact us via the contact form, and we will take you through the entire process in more detail.
The duration, of course, depends on the scope of the test itself. For reference, testing a web app and an API usually takes 10-15 working days.
Once the pen test is complete, we will provide you with a full technical test report. To ensure clarity, we present all the findings and remediation steps to your team. Our offer also includes a free retest and an updated test report if you fix the issues within three months.
We also recommend signing up for recurring pen testing. Regular security checks ensure you verify product security during all crucial milestones.
Yes, we will provide an executive summary of the penetration test. That document does not uncover the technical details of the penetration test, so you can send it to your customers or use it for various compliance purposes.
Various security standards like PCI DSS, HIPAA, or SOC2 require or recommend regular pen testing, as it’s essential to identify and manage security risks. Our pen testing services are customized to your priorities, so tell us about your security objectives, and let us help you achieve them.
Alongside custom scripts, we use industry-standard tools like Burp Suite, Amass, OWASP ZAP, Nikto, Nuclei, and sqlmap. Our methodology builds upon OWASP WSTG, PTES, and OSSTMM, as well as our experience with software security and development.
Our test suite is tailored to uncover your business’ issues at all levels.
Therefore, it includes testing for:
– Broken object level authorization (BOLA)
– Broken function level authorization (BFLA)
– Broken object property level authorization (BOPLA)
– Broken authentication
– Broken access control
– SQL and XXE injection
– Cross-site scripting (XSS)
– Cross-site request forgery (CSRF)
– Session hijacking
– Server-side request forgery (SSRF)
– Business logic and data validation
– Function usage limits and denial of service (DoS)
– Cryptographic failures
– Security misconfiguration
– Outdated components, and various others.
Automated tools usually discover common issues but can’t adapt to your product needs. This means they won’t find problems deep within your system and business logic. We recommend partnering with an agency that practices a thorough approach to testing and test suite adjustment.