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Building a Simple Wallet API From Scratch

Building a Simple Wallet API From Scratch

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2 min read
Idempotency Keys: Making Payment APIs Safe to Retry

Idempotency Keys: Making Payment APIs Safe to Retry

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4 min read
Three payment providers, three different ideas of what a verified webhook is

Three payment providers, three different ideas of what a verified webhook is

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4 min read
A timeout is not a failure, and treating it as one is how you charge twice

A timeout is not a failure, and treating it as one is how you charge twice

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6 min read
Understanding Clear Data on Android

Understanding Clear Data on Android

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4 min read
Rate Limiting Basics: Protecting Your API Without Breaking It

Rate Limiting Basics: Protecting Your API Without Breaking It

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3 min read
DeepSeek V4 Flash Got Expensive. I Kept the Model and Cut the API Cost Anyway

DeepSeek V4 Flash Got Expensive. I Kept the Model and Cut the API Cost Anyway

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10 min read
Un délai d'attente n'est pas un échec, et le traiter ainsi fait payer deux fois

Un délai d'attente n'est pas un échec, et le traiter ainsi fait payer deux fois

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4 min read
Filtering Laravel APIs with Spatie Query Builder

Filtering Laravel APIs with Spatie Query Builder

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6 min read
Building Node.js REST APIs That Scale to 50k+ Requests Per Second

Building Node.js REST APIs That Scale to 50k+ Requests Per Second

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3 min read
Why TMDB says your Apple TV+ show airs a day early

Why TMDB says your Apple TV+ show airs a day early

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5 min read
Why Your Production API Needs Idempotency Keys (And How to Build an Engine in Node.js & Redis)

Why Your Production API Needs Idempotency Keys (And How to Build an Engine in Node.js & Redis)

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3 min read
What is a webhook? How webhooks work, and the six ways they break in production

What is a webhook? How webhooks work, and the six ways they break in production

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11 min read
I put my identity-depth scorer behind a public GET endpoint so you can argue with it

I put my identity-depth scorer behind a public GET endpoint so you can argue with it

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4 min read
MCP Is Going Stateless: What Changed and How I Migrated My Currency Converter Server

MCP Is Going Stateless: What Changed and How I Migrated My Currency Converter Server

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9 min read
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