Tech news from the best sources
Stripe Webhook Idempotency in FastAPI: Handling Duplicate Events Without Double-Charging SaaS Customers I learned this lesson the hard way. Three mont…
If you were on Hacker News yesterday, you saw it. A detailed post-mortem from a merchant who lost thousands of dollars to friendly fraud — customers d…
Every SaaS needs the same foundation: auth, payments, a database, protected routes. I've built this from scratch too many times. This post covers the …
It was a Tuesday night, and I was renaming a price in the Stripe dashboard. A price I had already renamed in our code three weeks earlier. The deploym…
It's not a brag for me to say "I've been visualizing infrastructure since 2018" - it's the actual truth. That was the year I joined a lovely Portland-…
If you process Stripe subscriptions and have never opened Workbench → Webhooks → Event deliveries (or the older Developers → Webhooks → Attempts view)…
tl;dr: Most billing systems model a credit wallet as a prepaid cash balance. That works at day zero. It breaks the moment your product has multiple ty…
MCP servers let AI agents use tools. But the real unlock is agents paying agents. Here's the vision behind AgentPay: Today: Humans buy subscriptions f…
MCP (Model Context Protocol) servers let AI agents use tools. But how do you charge for them? Here's the stack I use across 61 MCP servers: The Paymen…
I had idempotency, a message queue, and retries. I thought I was finally building something production-ready. Then I started thinking about the "in-be…
At first, AI billing looks simple. A user makes a request. You charge them. Done… right? Not really. Once your AI product starts getting real traffic,…
On April 30, Cloudflare and Stripe launched Projects . An agent can now create a Cloudflare account, register a domain, and deploy a Worker, paying wi…
TL;DR 21 invoice.paid webhooks failed for 5 straight days in production. We only noticed because Stripe sent a "we'll auto-disable this endpoint by 5/…
The best usage-based billing platforms for vibe coders include Credyt for real-time AI billing with prompt-based setup inside Cursor, Lovable, Bolt, a…
Stripe is opinionated: a Price object has one currency. If your product is priced at $79 USD, that's what Stripe charges. But for conversion optimizat…
I wanted to figure out how people build payment systems without losing everyone's money. It turns out, my first attempt was a great way to lose a lot …
We are currently witnessing a massive shift in AI development. We’ve moved past the "Chatbot" era and into the era of Agentic Systems—AI that doesn’t …
I was reading a Stripe tutorial last week and watched the author write amount: req.body.amount . That single line lets any user buy Premium for $1. It…