Engineering Insights

Realtime - Record specific participant audio tracks in RealtimeKit

You can now record specific participant audio tracks in RealtimeKit with track recording. Track recording creates separate WebM files for each participant instead of a single composite recording, which is useful for post-processing, transcription, and regulated or content-sensitive workflows. To record specific participants, pass user_ids when starting a track recording: curl --request POST \ --url https://api.cloudflare.com/client/v4/accounts/<account_id>/realtime/kit/<app_id>/recordings/t

Solo founding is at an all-time high: Top performers have these traits in common

In 2025, solo founders in the top decile generated 61 times the revenue of the median solo founder in their first six months. We analyzed the data to understand what drives that gap.

A Bootiful Podcast: Microsoft's Martijn Verburg

Amazon OpenSearch Serverless is now available in the Vercel Marketplace

is now available in the , with guided setup and automatic project configuration built into the Vercel dashboard.Amazon OpenSearch ServerlessVercel Marketplace By bringing Amazon OpenSearch Serverless into the Vercel Marketplace, teams benefit from a unified workflow: This integration is powered by the next generation of Amazon OpenSearch Serverless APIs, with Vercel participating as a key design partner alongside AWS during development. To help you get started, you can create a new AWS Account d

Amazon Bedrock AgentCore Payments: The Spending Limit Is the Product

Amazon Bedrock AgentCore Payments AI assistance disclosure: This article was prepared with AI assistance as an editorial helper. The ideas, facts, code and conclusions were reviewed by a human. Crypto risk disclosure: This article is a technical explanation, not investment advice. It is not a recommendation to buy, sell or hold any cryptoasset. Amazon Bedrock AgentCore Payments should be judged less like a wallet feature and more like a spending control surface. AWS announced the preview on M

I Should Have Put Events in the Same Database as the Aggregate Root—Heres What Happened

The Problem We Were Actually Solving Our CQRS model kept Events in a separate Kafka cluster labeled event-store while Aggregates lived in PostgreSQL. The outbox pattern wrote Events to Kafka via Debezium, then the read side consumed them to build materialized views. The promise was eventual consistency with zero data loss. The reality was a 40-millisecond write path plus a 200-millisecond read path, and every time we scaled the read path the lag exploded because the offset commit cycle couldnt

The SilentRecon Agent Loop Architecture: How We Build AI That Doesn’t Stall

When people talk about “AI agents,” they imagine something autonomous, intelligent, and reliable. In reality, most agents collapse under their own weight: they stall, drift, hallucinate, or loop themselves into oblivion. The problem isn’t the model — it’s the architecture. The Real Failure Point: The Loop, Not the Model Most agent frameworks assume the model will “figure it out.” The Core Principle: Deterministic Routing Our agents don’t “decide” what to do next. They follow a deterministic rout

How I Built a Dark Cinematic Restaurant Landing Page Template and Listed It For Sale

I'm 18 years old, based in Lagos, Nigeria, and I just Here's how I built it and what I learned. I wanted to build something that actually looked premium — Pure HTML5 CSS3 with custom properties Vanilla JavaScript Google Fonts — Playfair Display + Inter Zero frameworks. Zero dependencies. Fixed navbar with scroll effect Full screen hero with background image and overlay About section with split layout Interactive menu with 4 tab categories Photo gallery with lightbox effect Reservation form wit