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API Security Testing

APIs power modern business ecosystems but often expose critical risk when poorly secured. Our API Security Testing evaluates authentication models, token handling, authorization controls, data leakage, rate limiting, and business logic abuse. This enables secure integration at scale and stronger digital trust.

How We Deliver

1. Schema & Endpoint Discovery

Parse OpenAPI / Swagger, GraphQL introspection.

2. Authentication & Token Testing

JWT, OAuth, API keys – misconfigurations, replay attacks.

3. Rate Limiting & BOLA

Test for Broken Object Level Authorization and throttling bypass.

4. Mass Assignment & Injections

JSON/XML injection, NoSQLi, server side request forgery.

5. Business Logic Abuse

Sequential API calls to violate intended workflows.

Frequently Asking Questions

Yes. Tribastion assesses REST APIs for authentication weaknesses, insecure endpoints, authorization gaps, sensitive data exposure, injection vulnerabilities, and business logic flaws. The testing approach is aligned with modern API security risks and enterprise integration requirements.

Yes. Our assessments include GraphQL APIs, including schema introspection, query abuse, excessive data exposure, broken authorization, and nested query exploitation that could impact performance or security.

Yes. Authentication and authorization mechanisms such as JWT, OAuth, API keys, session handling, and token lifecycle management are thoroughly evaluated to identify weaknesses that could allow unauthorized access.

Yes. We validate whether APIs enforce proper rate limiting, throttling, and abuse protection controls to reduce the risk of brute force attacks, denial-of-service attempts, and automated misuse.

Yes. After remediation, Tribastion performs retesting to verify that identified vulnerabilities have been effectively resolved without introducing additional security gaps.

80+ Partners, One Mission