Development
What Is URL Encoding? Percent-Encoding Explained
URL encoding explained — percent-encoding, reserved vs unreserved characters, %20 vs +, UTF-8 handling, code examples and common mistakes.
AZ Utils Editorial · · 12 min read
#APIs
Everything tagged APIs.
Development
How to Encode Special Characters in URLs
How to encode special characters in URLs reliably — encode components not whole URLs, handle query values, path segments, slashes, spaces and Unicode.
AZ Utils Editorial · · 11 min read
Development
URL Encoding for API Development (Params, Bodies & Signatures)
URL encoding for APIs — query and path parameters, array params, form-urlencoded bodies, signed requests and treating decoded input as untrusted.
AZ Utils Editorial · · 12 min read
Development
JWT Authentication Explained (Flow, Code & Patterns)
How JWT authentication works end to end — the login-to-access flow, Bearer tokens, access vs refresh tokens, and code with common pitfalls.
AZ Utils Editorial · · 12 min read
Development
Base64 Use Cases: Where It Is Used in Practice
The real-world use cases for Base64 — data URIs, email attachments, JWTs, HTTP Basic Auth and binary in JSON — with examples and when to avoid it.
AZ Utils Editorial · · 10 min read
Development
JSON Validation Guide: Syntax & Schema Validation
A guide to validating JSON — syntax validation (is it well-formed?) vs schema validation (is the structure right?) with JSON Schema, and why it matters.
AZ Utils Editorial · · 11 min read
Development
What Is JSON? A Complete Guide for Developers
JSON explained for developers and beginners — syntax, data types, code examples in JavaScript and Python, common mistakes and best practices.
AZ Utils Editorial · · 12 min read