--- title: "#api-penetration-testing articles | Hashnode" description: "Explore 6 articles tagged #api-penetration-testing on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/api-penetration-testing" --- Tag # #api-penetration-testing 6 posts · 0 followers [chaitalisinghania](https://hashnode.com/@chaitali142) · [Nov 3](https://hashnode.com/posts/most-common-security-flaws-found-in-fintech-apps/6ae9d750a42aa81290500ca2) ### [Most Common Security Flaws Found in Fintech Apps](https://cybersecuritydigest.hashnode.dev/most-common-security-flaws-found-in-fintech-apps?utm_source=hashnode&utm_medium=feed) Discover common fintech app security flaws, like API vulnerabilities, authentication issues, and data exposure risks, and learn how to mitigate them. 6 min read · [cybersecuritydigest.hashnode.dev](https://cybersecuritydigest.hashnode.dev/most-common-security-flaws-found-in-fintech-apps?utm_source=hashnode&utm_medium=feed) [chaitalisinghania](https://hashnode.com/@chaitali142) · [Sep 1](https://hashnode.com/posts/api-penetration-testing-vs-web-application-penetration-testing/6a972a443e9d2ab1fc76371c) ### [API Penetration Testing vs Web Application Penetration Testing](https://cybersecuritydigest.hashnode.dev/api-penetration-testing-vs-web-application-penetration-testing?utm_source=hashnode&utm_medium=feed) Modern applications are a network of APIs; APIs tend to connect the user, service, database, and even external/ third-party software. APIs need to be secure because of the level of access and control 5 min read · [cybersecuritydigest.hashnode.dev](https://cybersecuritydigest.hashnode.dev/api-penetration-testing-vs-web-application-penetration-testing?utm_source=hashnode&utm_medium=feed) [C9lab](https://hashnode.com/@c9lab) · [Jun 4](https://hashnode.com/posts/how-to-start-with-api-security-and-penetration-testing/6a210a8f2f611e6372d5b9ea) ### [How to Start with API Security and Penetration Testing](https://c9lab.hashnode.dev/how-to-start-with-api-security-and-penetration-testing?utm_source=hashnode&utm_medium=feed) API Security and Penetration Testing for Beginners: Practical guide covering fundamentals, OWASP API Top 10 vulnerabilities, DVAPI lab installation. 3 min read · [c9lab.hashnode.dev](https://c9lab.hashnode.dev/how-to-start-with-api-security-and-penetration-testing?utm_source=hashnode&utm_medium=feed) [Mittal Technologies](https://hashnode.com/@mittaltechnologies) · [Jun 1](https://hashnode.com/posts/rest-api-security-checklist-12-vulnerabilities-developers-keep-overlooking/6a1d72804523d53247e9ca8d) ### [REST API Security Checklist: 12 Vulnerabilities Developers Keep Overlooking](https://mittal-tech.hashnode.dev/rest-api-security-checklist-12-vulnerabilities-developers-keep-overlooking?utm_source=hashnode&utm_medium=feed) A practical security checklist covering the most common REST API vulnerabilities, authentication risks, authorization flaws, and security best practices developers often miss. 10 min read · [mittal-tech.hashnode.dev](https://mittal-tech.hashnode.dev/rest-api-security-checklist-12-vulnerabilities-developers-keep-overlooking?utm_source=hashnode&utm_medium=feed) [Cyenetic Solutions Ltd](https://hashnode.com/@cyenetic) · [Feb 24](https://hashnode.com/posts/the-no-1-owasp-web-security-risk-in-2025-2026-how-broken-access-control-can-destroy-your-business-revenue-and-how-to-stop-it/699de8871ddf529956d7acf8) ### [The no. 1 OWASP Web Security Risk in 2025-2026: How Broken Access Control Can Destroy Your Business & Revenue (And How to Stop It)](https://cyenetic.hashnode.dev/the-no-1-owasp-web-security-risk-in-2025-2026-how-broken-access-control-can-destroy-your-business-revenue-and-how-to-stop-it?utm_source=hashnode&utm_medium=feed) Introduction — Why Business Owners Should Care 4 min read · [cyenetic.hashnode.dev](https://cyenetic.hashnode.dev/the-no-1-owasp-web-security-risk-in-2025-2026-how-broken-access-control-can-destroy-your-business-revenue-and-how-to-stop-it?utm_source=hashnode&utm_medium=feed) [Shivam Ingale](https://hashnode.com/@Killua45) · [Sep 17, 2025](https://hashnode.com/posts/unmasking-hidden-api-vulnerabilities-a-researchers-approach-to-api-security-testing/68cb1b44a32ac1b5232860b9) ### [Unmasking Hidden API Vulnerabilities: A Researcher's Approach to API Security Testing](https://unmasking-hidden-api-vulnerabilities.hashnode.dev/unmasking-hidden-api-vulnerabilities-a-researchers-approach-to-api-security-testing?utm_source=hashnode&utm_medium=feed) In today's digital world, APIs are the invisible engines powering almost every application we use—from mobile banking to ride-sharing to e-commerce. They enable seamless data exchange and fast innovation, but this convenience often comes at a cost: A... 6 min read · [unmasking-hidden-api-vulnerabilities.hashnode.dev](https://unmasking-hidden-api-vulnerabilities.hashnode.dev/unmasking-hidden-api-vulnerabilities-a-researchers-approach-to-api-security-testing?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/unmasking-hidden-api-vulnerabilities-a-researchers-approach-to-api-security-testing/68cb1b44a32ac1b5232860b9) [Blessing Agbor](https://hashnode.com/@blessingagbor) · [Sep 2, 2025](https://hashnode.com/posts/breaking-apis-with-vampi-hands-on-owasp-api-top-10-exploits/68b658b5ae6ad229a70ca0a2) ### [Breaking APIs: A Hands-On Journey Through the OWASP API Top 10](https://blessingagbor.hashnode.dev/breaking-apis-with-vampi-hands-on-owasp-api-top-10-exploits?utm_source=hashnode&utm_medium=feed) A step-by-step walkthrough of testing VAmPI, a vulnerable API. From SQL Injection to BOLA and Mass Assignment—see real exploits, their impact, and fixes. 7 min read · [blessingagbor.hashnode.dev](https://blessingagbor.hashnode.dev/breaking-apis-with-vampi-hands-on-owasp-api-top-10-exploits?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/breaking-apis-with-vampi-hands-on-owasp-api-top-10-exploits/68b658b5ae6ad229a70ca0a2)