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.
Building an Application Tracking System using Retool and ApyHub
Learn to build a custom Application Tracking System using Retool and ApyHub. Convert candidate CVs to PDFs and create a robust recruitment solution for your organization.
5 top tools and ways to watermark your videos
Watermarking videos has a number of benefits across industries, but what are some of the best tried and tested tools? Here we explore some of our favourites
ApyHub and Retool : Standard Integration
Learn how to integrate ApyHub APIs with Retool to build leaner, data-driven applications. Step-by-step guide for email validation, country info, and other utility APIs.
Exploring Video Watermarking: Techniques and Benefits
Learn how video watermarking works to protect your content. Explore techniques, software solutions, and best practices for adding visible or invisible watermarks to videos.
Step-by-Step Guide to Sending Emails Programmatically with APIs using Go
Learn to enhance email validation with Go, improving your application's data quality and reliability. Follow our step-by-step guide with code examples and best practices.
Securing Your Documents: Exploring the Benefits & Use Cases of PDF Watermarking
Learn how PDF watermarking enhances document security, protects against unauthorized sharing, and ensures proper branding. Explore use cases, benefits, and APIs."
How to Convert Images to WebP in 2026: Formats, Browser Support, and a Conversion API
Convert PNG, JPEG, and SVG images to WebP in 2026. WebP vs PNG, JPEG, and AVIF compared, browser support, fallbacks, and API code examples.
APIs for Startups: Build vs Buy and the Real Cost of Maintenance (2026)
Building a feature is cheap. Maintaining it is not. Why startups use ready-made APIs instead of owning every utility, with build vs buy math and ApyHub plans.
The Role of Design Flexibility in Software Architecture
Explore the spectrum between structured and flexible system design approaches. Learn key considerations beyond architecture to create robust, scalable, and maintainable products.
Build Inventory Management App in Retool with ApyHub Currency API
Learn how to use Retool to build an inventory management app with integrated currency conversion for seamless global operations.
How to Create an Engaging Culture in a Remote-first Team
Discover how ApyHub, a fully remote-first company, built a strong remote culture that drives collaboration, engagement, and productivity. Learn actionable remote leadership and te…
Advanced Email Validation using ApyHub’s API in NodeJS
Master email validation with ApyHub's DNS Email Validation API. Our step-by-step guide covers implementation, technical details, and practical use cases for developers.