API Security Audit using OpenAPI Swagger Editor Extension in VS Code

Identify and fix issues in the OpenAPI (formerly Swagger) definition file using the API Audit, available via the OpenAPI Editor in Microsoft Visual Studio Code (VS Code).

Reviewing The Score

API audit runs over 300 different checks and provides an overall score that represents the quality of your OpenAPI definition. Learn more by viewing the explanatory video.

Filtering The Audit Report

There are a number of ways to filter the results from the audit report. More in details in the video.

Auditing API Operations

For each operation in your OpenAPI file you have the ability to run the audit just on that single operation.

Fixing Audit Issues

How to work through the Audit report to fix identified issues starting with the critical ones.

Using "Quickfix" Automations

In many cases you will see the option to use a "Quickfix" for identified issues. This is where our tool will automatically add the appropriate fields or insert a template into the OpenAPI definition. There is also a "group fix" option where all of the same issues can be fixed in one go.

Latest Resources


Review of Major API Security Breaches from H1 2024

In this latest webinar, Anthony Lonergan, reviews some of the most recent high-profile API breaches that occurred in 2024.
Anthony will give a detailed overview of each attack and explain how the different vulnerabilities could be exploited to compromise the companies involved. He then practically demonstrates how companies can remediate against these vulnerabilities order to better protect their APIs.


The Scourge of SQL Injection for APIs

By Anthony Lonergan | June 25, 2024

In a report published in May 2024, cybersecurity firm Eclypsium outlined key vulnerabilities discovered in the F5 Big IP Next device. It’s another sobering reminder of the challenges faced in securing APIs when a highly regarded security company like F5 launches a new flagship product with all-too-familiar vulnerabilities […]


APIs are the core building block of every enterprise’s digital strategy, yet they are also the number one attack surface for hackers. 42Crunch makes developers’ and security practitioners' lives easier by protecting APIs, with a platform that automates security into the API development pipeline and gives full oversight of security policy enforcement at every stage of the API lifecycle.

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Developer-first solution for delivering API security as code.