Application Programming Interfaces (APIs) power communication between mobile and web applications, cloud services, and third-party integrations. APIs have become a target for attackers as more organisations lean into microservices architectures and API-driven platforms.
Our API Security Testing finds vulnerabilities in REST, GraphQL, SOAP, and other API architectures. Controlled offensive testing lets us simulate real-world attack techniques. We uncover weaknesses that could lead to data breaches, unauthorised access, and abuse of business functionality.
What we offer
Choose our API Security Testing to protect sensitive data and customer information.
Fortify and integrate
Fortify backend services and integrations with partners and third-party platforms
Improve security and reduce risk
It’s also useful for better securing your mobile and web applications and reducing risk areas in microservices and cloud-native environments.
Testing across the entire API ecosystem
This includes endpoints, authentication mechanisms, integrations, and underlying infrastructure.
What you receive
Our API Security Testing combines automated tools with deep manual analysis to identify vulnerabilities across API architectures. Following the testing
Following the testing, we provide a report including:
A summary of key API security risks
A detailed vulnerability report
Proof-of-concept vulnerability demonstrations
Risk ratings based on business impact
Practical remediation guidance
Recommendations for improving API security
We can assist with remediation steps, if you like.
industries
Who we’ve helped
We’ve helped many organisations, like yours, with their API Security Testing.
Some of the industries we’ve worked with:
Financial Services & Banking
E-Commerce and Retail
Healthcare and Medical Systems
Education and Universities
Transportation and Logistics
Government and Public Sector
Media and Content Platforms
Telecommunications
Technology and Software as a Service (SaaS) Providers
Enterprise Platforms
We tailor the testing to you. We’ll align with your data sensitivity needs, compliance requirements, and integration architectures.
What we assess
Our API Security Testing takes your entire API infrastructure into account. We test the areas below for vulnerabilities.
Both are common causes of API breaches. Vulnerabilities include weak or predictable authentication tokens, poor implementation of OAuth or JWT authentication, broken object and function level authorisation, and improper validation of user identity across endpoints.
A robust API endpoint is needed to secure data and keep users and systems from being exploited. Vulnerabilities include unauthenticated, undocumented, or hidden endpoints, improper request validation, weak API parameters, and missing input sanitisation.
APIs deal with large volumes of sensitive data. Insecure APIs can lead to privacy violations and regulatory compliance risks. Risk areas include excessive data exposure in API responses, leaked internal system information, filtering sensitive fields, exposed personally identifiable information (PII).
Proper controls are needed to prevent large-scale automated attacks against API services. Risk areas include a lack of rate limiting controls, vulnerability against automated attacks, account enumeration through API responses, and brute force attacks against authentication endpoints.
Many APIs implement complex workflows that can be abused. This can lead to fraud, financial loss, and operational disruption. Typical exploitations include bypassing payment or transaction validation, manipulating order or account workflows, race conditions in API operations, or abusing API functionality for unintended purposes.
APIs use underlying infrastructures, like cloud services, gateways, and load balancers. Weaknesses may allow attackers into internal systems or access restricted services. Vulnerabilities include misconfigured API gateways, exposed internal API endpoints, weak access controls for internal services, and insecure integration with backend systems.
What frameworks we follow
Our API Security Testing aligns with globally recognised security frameworks:
OWASP API Security Top 10
OWASP security testing guidance
OWASP Web Security Testing Guide
ISO / IEC 27001
These frameworks ensure we are following industry-recognised best practices.
FAQ
Find answers to common questions about our services and what to expect from your experience with us.
Do you test undocumented APIs?
Yes. We perform API discovery to identify undocumented or hidden endpoints.
Do you test APIs used by mobile applications?
Yes. Mobile application security often depends heavily on API security.
Can third-party integrations be assessed?
Yes, where permitted within the testing scope.
How often should APIs be tested?
APIs should be tested before release and after major architectural or functionality changes.
