When APIs Lie: A Lesson in Defensive Debugging
The article discusses the importance of defensive debugging when working with APIs. The author shares a personal experience of encountering a misleading API response that returned a 200 OK status despite a transaction failure. This incident highlighted the need for thorough validation of both status codes and response data to avoid assumptions that can lead to errors.
- ▪The author spent six hours troubleshooting a payment gateway integration issue.
- ▪An API returned a 200 OK status while the transaction actually failed.
- ▪The author learned to validate both status codes and response data to catch hidden errors.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3736084) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Chris Lee Posted on May 25 When APIs Lie: A Lesson in Defensive Debugging #programming #freelance #webdev Last week, I spent six hours chasing a ghost in our payment gateway integration. The API returned a 200 OK status, yet the transaction failed silently. My code assumed success based on the status code and moved on, only to discover later that the response body contained an error message buried under a success: false flag.
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