December 1, 2025 - Security teams need both manual ... as development teams ship new features daily. Start your free API security scan with APIsec to find real vulnerabilities in minutes, not weeks....

August 11, 2025 - Start Free → · No credit card required. ... When was the last time your organization conducted an API security assessment? And did you have the framework and resources to do so? Now more than ever, companies need to know where their APIs are vulnerable to malicious actors. Check out the API Penetration Testing checklist, which outlines how to conduct an effective API security assessment for your organization.

Web API Pentesting (https://book.hacktricks.xyz/network-services-pentesting/pentesting-web/web-api-pentesting) Resources and tools (https://www.apisec.ai/blog/api-security-checklist) Common end points (https://github.com/danielmiessler/SecLists/blob/master/Discovery/Web-Content/common-api-endpoints-mazen160.txt) A collection of useful resources for building RESTful HTTP+JSON APIs (https://github.com/yosriady/api-development-tools) Full check list (https://github.com/shieldfy/API-Security-Checklist)

April 23, 2024 - During testing, a pentester discovers an undocumented parameter that allows adding arbitrary data to customer orders. This could be a vulnerability if the additional data isn’t properly sanitized and validated. Many applications rely on external APIs to function. However, if these APIs are not consumed securely, it can introduce vulnerabilities into your application. This checklist point focuses on identifying weaknesses in your application’s interaction with external APIs.

The document provides a comprehensive API testing checklist, highlighting key vulnerabilities and testing strategies for APIs. It emphasizes the importance of testing various authentication methods, ...

2 days ago - API Security Checklist: A comprehensive checklist for securing APIs (GitHub link).

October 29, 2025 - A standardized API pentesting checklist OWASP helps organizations secure APIs with a proven framework. It ensures consistency across every layer of testing.

A comprehensive collection of resources designed to help you enhance the security of your APIs. In this repository, you'll find a wide range of wordlists, checklists, vulnerable app setups, Logger++ filters and resources dedicated to REST APIs, ...

August 26, 2026 - TCM Security’s Practical API Hacking course https://portswigger.net/web-security/jwt https://owasp.org/API-Security/editions/2023/en/0x11-t10/ https://cheatsheetseries.owasp.org/cheatsheets/REST_Security_Cheat_Sheet.html https://github.com/shieldfy/API-Security-Checklist https://owasp.org/www-chapter-vancouver/assets/presentations/2020-01_Attacking_and_Securing_JWT.pdf https://owasp.org/www-chapter-belgium/assets/2021/2021-02-18/JWT-Security.pdf

October 10, 2024 - An API pentesting security checklist serves as a comprehensive guide outlining essential security measures crucial for bolstering the protection of your APIs against potential cyber threats. This checklist is based on established security standards, such as the OWASP API Security Top 10 Risks and BreachLock’s 2023 Penetration Testing Intelligence Report.

NetSPI is the proactive security solution used to discover, prioritize, and remediate security vulnerabilities of the highest importance. Schedule a demo.

RESTler is the first stateful REST API fuzzing tool for automatically testing cloud services through their REST APIs and finding security and reliability bugs in these services. ... A tool geared towards pentesting APIs using OpenAPI definitions.

September 24, 2025 - Role-based access control (RBAC) enforcement: Verify that users cannot access admin-level APIs or modify data outside their permissions. Many pentesters overlook business logic authorization flaws, where users can perform actions they shouldn’t, such as modifying another user’s order or escalating privileges via API callsHow to Secure API Calls.

A "How to Test" note plus a ready-to-fire PoC command (curl/tool) has been added to every check, so the checklist isn't just a reference — it can be copy-pasted and used directly during an actual pentest. Replace placeholders like TARGET, TOKEN, ID with your engagement's actual values. Run destructive/DoS-type PoCs only within authorized scope and with rate-limiting/caution. Fuzz for hidden/undocumented APIs at multiple levels (/api/v1/, /api/v2/, /internal/, /admin-api/).

Made using The OWASP Testing guide (page 211) and the API Security Top 10 2023. You can refer to it (see resources below) for detailed explainations on how to test. Adapt it to your methodology and the context of your test. Download this file locally from here this way you can check everything ...

December 12, 2022 - This is the goal of API penetration testing. There is no single checklist for performing API penetration testing, as the process will vary depending on the specific API and its security vulnerabilities.

October 23, 2025 - At the same time, exportable reports cover pentest requirements for SOC 2, GDPR, PCI-DSS, and more for audits. Teams see measurable drops in rollout delays, faster compliance readiness, and reduced operational noise. APIs are a critical attack surface, and defending them starts with a few concrete controls.