PEPaymos Engineeringinpaymos-engineering.hashnode.dev·20h ago · 7 min readDuplicate webhooks are the contract, not the bugA payment webhook is not a message. It is a delivery attempt. Paymos makes 11 of them per event: one initial call and ten retries, spaced 1m, 2m, 4m, 8m, 16m, 32m, 1h, 2h, 4h, and 8h, for a window of 00
VSVibe Seekerinvibeseeker.hashnode.dev·2d ago · 13 min readOne Inline Button for Everyone: Parameters, Authentication, and Callbacks in a Telegram Mini AppThe code examples in this series are written in C#/.NET 10 (since that's what our production uses), but this article is about Telegram mechanics, not the language. The exact same architecture can be b00
JTJAY TANKinjaytank.hashnode.dev·3d ago · 9 min readYou copied a 40-header curl. Which parts actually matter?Open your browser dev tools, right-click a request, hit "Copy as cURL," and paste. What lands in your terminal is a monster: thirty or forty headers, a fistful of cookies, a query string padded with t00
PSPritam Subham Paniinpritampani.hashnode.dev·3d ago · 8 min readUnderstanding REST APIs: From APIs and HTTP to RESTful DesignModern applications are usually built using multiple software systems that communicate with each other. For example, a frontend application built with React may need to communicate with a backend appl00
DJDevy Jonesindevyjones.hashnode.dev·3d ago · 5 min readFinding Exposed APIs and Services: A Practical Guide for DevelopersAs developers, we're constantly building and deploying applications, often exposing APIs and services to the internet. While necessary for functionality, this also introduces potential security risks.00
ADAritra Dasinartclick.hashnode.dev·5d ago · 7 min read10 JavaScript APIs Every Developer Should Know in 2026Browsers ship a lot of quiet power these days — native APIs that used to require a library, a polyfill, or weren't possible at all. A lot of developers are still reaching for npm install when the plat00
LGLarry Gasikinbrokenintellisense.com·Aug 10 · 10 min readAPI Versioning is Not Application VersioningAPI versioning sounds like one of those topics that should be pretty simple. Put /v1 in the URL. Eventually make /v2. Congratulations, you have versioned an API. Except that is not really the importan00
ADAce Data Cloudinacedatacloud.hashnode.dev·6d ago · 5 min readA Practical Guide to Saving TTS Audio with curl and PythonImage APIs are easy to demo and surprisingly easy to integrate badly; this guide builds a small generation-and-editing workflow that you can test with one endpoint and later move into a production job01J
ADAce Data Cloudinacedatacloud.hashnode.dev·6d ago · 4 min readHow to Build Text-to-Speech with an OpenAI-Compatible API (Beginner's Guide)Turning a short script into a usable voice file should not require a media pipeline; this guide shows the smallest reliable path from text to speech.mp3 with an OpenAI-compatible API. What the API ac00
DJDevy Jonesindevyjones.hashnode.dev·Aug 10 · 5 min readFinding Exposed APIs and Services: A Practical Guide for DevelopersAs developers, we're constantly building and deploying services, often without fully realizing the external attack surface we might be exposing. Whether it's an internal API that accidentally went pub00
