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hjemmesidekongen
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api-security

Enforce API security with rate limiting, input validation, and security headers.

1|Updated Mar 1, 2026
Search Tags:#input validation#rate limiting#security headers#sanitization#cors#api security
One-click install
npx skills add https://github.com/hjemmesidekongen/ai --skill api-security-hjemmesidekongen
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-security
Source: https://github.com/hjemmesidekongen/ai/tree/main/plugins/smedjen/skills/api-security
Command: npx skills add https://github.com/hjemmesidekongen/ai --skill api-security-hjemmesidekongen

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses critical security vulnerabilities in APIs, protecting them from abuse, data breaches, and denial-of-service attacks.

Core Features & Use Cases

  • Rate Limiting: Prevents API abuse by controlling request frequency.
  • Input Validation: Ensures data integrity by validating all incoming requests at the API boundary.
  • Security Headers: Implements essential HTTP security headers to mitigate browser-based attacks.
  • CORS Configuration: Manages Cross-Origin Resource Sharing to prevent unauthorized access.
  • Sanitization: Protects against injection attacks like SQLi and XSS.
  • Use Case: A developer can use this Skill to audit an existing API's security posture and implement best practices for rate limiting, input validation, and secure header configurations before deployment.

Quick Start

Review the API security configuration for rate limiting and input validation.

Frequently Asked Questions about api-security

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I secure my API against injection attacks and unauthorized access?▼

To secure your API against injection attacks and unauthorized access, enforce input validation with zod and apply request sanitization at the API boundary to prevent SQLi and XSS vulnerabilities.

What HTTP security headers should I configure to protect my API?▼

Configuring HTTP security headers requires implementing essential browser-based attack mitigations using libraries like Helmet.js to ensure your API responses include protective headers against common client-side threats.

How does rate limiting prevent denial-of-service attacks on my API?▼

Rate limiting prevents denial-of-service attacks by controlling request frequency to your API, which stops abusive traffic patterns and protects backend resources from being overwhelmed.

Can I use zod for input validation and CORS configuration together?▼

Yes, you can use zod for input validation while simultaneously configuring CORS policy, as both are critical API security measures that operate at the API boundary to validate data and manage cross-origin access.

What is the best way to audit an existing API's security posture before deployment?▼

The best way to audit an existing API's security posture is to review rate limiting configurations, verify input validation coverage, and check security header implementations to identify vulnerabilities before deployment.

Why does my API need request sanitization if I already validate inputs?▼

Your API needs request sanitization alongside input validation because sanitization actively neutralizes malicious payloads within otherwise valid data structures, providing protection against injection attacks that validation alone may miss.

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