Viewing 64 Results for API 101
What is API Rate Limiting? Understanding Request Throttling and Best Practices
API Rate Limiting: Quick Reference Question Answer What happens when limits are exceeded? The API returns a 429 Too Many Requests status,…
502 Bad Gateway: Understanding and Fixing This HTTP Status Code
502 Bad Gateway: You’re testing your API, everything looks fine, and then suddenly you hit a 502 Bad Gateway error. Unlike a…
HTTP PATCH Method: Partial Updates for RESTful APIs
What is the HTTP PATCH method? The HTTP PATCH method applies partial modifications to a resource identified by a specific URI. PATCH…
WebSocket Connection Failed: Quick Troubleshooting Guide
Quick troubleshooting checklist When a WebSocket connection fails: Confirm the URL and protocol (ws:// or wss://) Check browser console logs Ensure the…
415 Unsupported Media Type: What It Means and How to Fix It
Quick answer: What is an API call? Question Answer What does a 415 Unsupported Media Type error mean? The server rejected your…
What is XMLHttpRequest? Complete Guide to XHR in JavaScript
Quick answers: Question Answer What is XMLHttpRequest? A JavaScript API for making asynchronous HTTP requests from browsers to servers. Is XHR still…
Best Payment APIs for Developers in 2026
Quick answer: The 10 best payment APIs for 2026 are: Stripe (SaaS and global commerce) PayPal (consumer reach and trust) Square (omnichannel…
Error: Cache Service Responded with 422
Quick answer: HTTP 422 errors occur when your request is syntactically correct but contains invalid data. To fix it: Read the error…
HTTP Error 429 (Too Many Requests) – How to Fix
HTTP Error 429 Explained: HTTP 429 Too Many Requests means you’ve exceeded the API’s rate limit. Solutions include implementing exponential backoff, respecting…
What is HTTP Error 405 (Method Not Allowed) and How to Fix
Understand the HTTP 405 Method Not Allowed Error: An HTTP 405 Method Not Allowed error can bring your API workflow to a…
What is an API Gateway?
Quick answer: The API gateway is where every API interaction begins. It manages the flow of requests between clients and backend services,…
What Are Microservices? Architecture, Benefits, and Best Practices
Microservices explained: Microservices are an architectural style that structures an application as a collection of small, independent services. Each service focuses on…
