skills.rest
christianearle01
christianearle01COMMUNITY
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api-debugging

Diagnose API requests and responses to resolve HTTP errors and network failures.

Updated Dec 4, 2025
Search Tags:#debugging#API#error-handling#HTTP#curl#network-testing#status-codes
One-click install
npx skills add https://github.com/christianearle01/claude-config-template --skill api-debugging
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-debugging
Source: https://github.com/christianearle01/claude-config-template/tree/main/.claude/skills/api-debugging
Command: npx skills add https://github.com/christianearle01/claude-config-template --skill api-debugging

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers quickly diagnose API request failures by interpreting HTTP status codes, analyzing responses, and guiding remediation steps.

Core Features & Use Cases

  • Interpret common API errors (401/403/429/5xx) and explain root causes
  • Provide structured debugging steps using curl and browser DevTools
  • Validate request construction, headers, and payloads; assist in reproducing issues

Quick Start

Use this skill to diagnose a failing API call by describing the error or sharing the request and response details, then follow the guided steps to reproduce and fix the issue.

Frequently Asked Questions about api-debugging

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

FAQPage Schema
How do I debug API errors like 401, 403, or 429?▼

To debug API errors, you interpret HTTP status codes to find root causes like authentication failures or rate limits. This skill provides deterministic status code interpretation and step-by-step guidance to fix 401, 403, 429, and 5xx failures.

What is the best way to troubleshoot a failing REST API request?▼

Troubleshooting a failing REST API request involves validating request construction, headers, and payloads. This skill guides you through reproducing the issue using structured debugging steps with curl and browser DevTools.

How do I test a network failure with curl when debugging an API?▼

You test a network failure by using curl to replicate the API call and inspect the response. This skill provides structured curl testing guidance to validate request payloads and diagnose network connectivity issues.

Why does my API call return a CORS error in the browser?▼

API calls return CORS errors when cross-origin request headers are misconfigured. This skill helps diagnose cross-origin resource sharing issues across environments and provides recommended fixes for your request headers.

Can I use this to debug GraphQL API calls?▼

Yes, you can debug GraphQL API calls using this skill. It applies to developers troubleshooting both REST and GraphQL requests, assisting with authentication issues, rate limits, and response validation across environments.

Why is my API authentication failing when I send the correct payload?▼

API authentication fails when headers, tokens, or request construction are invalid. This skill validates request headers and payloads to identify discrepancies, then provides recommended fixes to resolve the issue.

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