API Validator

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API Validator Logo - A shield protecting an API plug

In modern development, your code is only as strong as the APIs it calls. A single bad dependency can introduce security breaches, performance issues, and unexpected costs. It's time to stop guessing and start validating.

We are thrilled to launch API Validator, a free, open-source Visual Studio Code extension that brings a powerful security and evaluation framework directly into your editor.

Install for VS Code (Free)
Animated GIF showing API Validator scanning a project, creating a review file, and finding a security threat.

Why API Governance Matters in Your IDE

Choosing the right API is often a slow, inconsistent process of sifting through documentation, hunting for security best practices, and hoping for the best. This manual effort is risky and doesn't scale. API Validator solves this by making API governance a seamless and automated part of your development workflow, helping you answer critical questions before integration.

Meet API Validator: Your In-Editor Guardian

Uncover Hidden Risks with Project-Wide Discovery

With a single command, API Validator scans your entire codebase to find all third-party API endpoints. This converts potential "shadow IT" into a managed, documented asset, providing a comprehensive view of your project's external dependencies.

Prevent Threats with a Real-time Security Linter

Our built-in linter actively checks your review files against a threat intelligence database. It provides instant warnings if an API endpoint is associated with known malware, phishing campaigns, or other security vulnerabilities, helping you prevent breaches before they happen.

Make Data-Driven Decisions with Structured Evaluations

Use our standardized .api-review.yml format to document and evaluate APIs against dozens of critical factors. The schema-driven IntelliSense guides you through the process with autocompletion and validation, ensuring no detail is overlooked.

Ensure Perfect Fit with a Feature Coverage Matrix

Don't just hope an API meets your needs. Define your project's specific requirements in the featureCoverage section and map them directly against an API's capabilities. This allows you to calculate a "fit score" and choose the best tool for the job.

Validate Performance with Live Latency Testing

Go beyond advertised SLAs. Our Test Endpoint Latency command makes real-world calls to an API's health check endpoint, measures the average response time, and automatically updates your evaluation file with tangible performance data.

Getting Started is Simple

  1. Install the API Validator extension from the VS Code Marketplace.
  2. Open your project folder in VS Code.
  3. Run a command from the Command Palette (Ctrl+Shift+P):
    • To find existing APIs, run API Validator: Scan Project for APIs.
    • To create a review manually, run API Validator: New API Review File.
  4. Evaluate your API by filling out the .api-review.yml file, guided by our intelligent linter and autocompletion.

More Tools from the House of SEOSiri

If you find API Validator useful, explore our full suite of AI-powered solutions designed to enhance developer productivity and business intelligence:

Frequently Asked Questions

Is API Validator free to use?

Yes, API Validator is completely free and open-source, licensed under the MIT License. You can install it from the VS Code Marketplace and use all its features without any cost.

What programming languages does the API scanner support?

The project scanner is language-agnostic. It looks for URL patterns in your text files, meaning it works across JavaScript, TypeScript, Python, Java, .env files, and many more without specific language parsing.

How is the threat intelligence database updated?

Currently, the threat database is bundled with each version of the extension. We plan to introduce a live, cloud-synced threat feed in future updates to provide even more timely protection.

How can I contribute or report an issue?

We welcome all contributions! You can report issues, suggest features, or contribute code on our official GitHub repository.

About the Author

Momenul Ahmad, Creator of API Validator and Founder of SEOSiri

Momenul Ahmad

Creator of API Validator & Founder of SEOSiri

With a unique background in both software engineering and enterprise strategy, Momenul Ahmad created API Validator to address a critical gap he observed: developers lack the tools to assess the business and security risks of third-party APIs during development. His work at SEOSiri focuses on building intelligent tools that bridge the gap between technical implementation and strategic business goals.

Ready to Take Control of Your APIs?

API Validator is free, open-source, and ready to help you build more secure and reliable applications. Install it today and bring clarity to your API integrations.

Install API Validator for VS Code

Have questions, feedback, or want to become a partner? Contact Us.

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