Notes from building ApyHub.
Engineering write-ups, product decisions, and the occasional opinion on how to ship developer infrastructure. Long enough to be useful, short enough that you'll finish it.
Top Data Extraction APIs for Developers in 2025
Extract text, images, and data from PDFs, Word files, webpages, and more effortlessly with ApyHub’s data extraction APIs.
How to Use REST Assured for Advanced API Testing
Master REST Assured for API testing with advanced techniques like JSON validation, authentication, and performance testing. Compare REST Assured, Postman, and ApyHub in real-world…
What Is a Bearer Token? Bearer Token Authentication Explained
What a bearer token is, how bearer token authentication works, how it differs from API keys, Basic auth, OAuth and JWTs, and how to keep tokens safe.
405 Method Not Allowed: What It Means and How to Fix It Fast
A 405 Method Not Allowed error means the server recognizes your HTTP method but won't allow it on that resource. Here's what causes it, how it differs from 403, 404, and 501, and…
Mastering Axios GET Params: Efficient API Calls with Real-World Applications
Learn how to use Axios GET parameters with step-by-step examples. Master query strings, handle requests efficiently, and improve your JavaScript APIs.
Best API Marketplaces in 2026: Discover and Connect to APIs
The best API marketplaces in 2026 compared: ApyHub, RapidAPI, Apify, AWS Marketplace, APILayer, API.market, Zyla, and OpenAPIHub. Pricing models, MCP support for AI agents, API ve…
What Are the Most Common APIs Used by Front-End Developers?
Discover essential APIs for frontend developers and how to integrate them effectively. Learn to optimize your workflow with ApyHub's ready-to-use development solutions.
Can HTTP DELETE Have a Body? What the Spec Says and What Actually Works
Yes, an HTTP DELETE request can technically carry a body — but RFC 9110 says clients SHOULD NOT send one, it has no defined semantics, and many clients and servers strip it. Here'…
curl HEAD Request: Check Headers Without Downloading
Use curl -I to fetch response headers without downloading the body. Commands for checking status codes, redirects, content type and file size.
Video Processing APIs for 2025: Optimize & Edit Video Content
Compare 2025's top video processing APIs for encoding, decoding, and manipulation. Find the ideal solution to streamline workflows and enhance application performance.
AI-Powered HR APIs Transforming Recruitment in 2026
Boost hiring efficiency with AI-powered HR APIs. Explore resume parsing, skill matching, and job recommendation APIs from ApyHub.
Best Sentiment Analysis APIs for Customer Feedback in 2026
Compare 5 sentiment analysis APIs for reviews, support tickets and feedback. Real test results, output formats and pricing, updated for 2026.