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What Spain's Verifactu law actually does to your backend

What Spain's Verifactu law actually does to your backend

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4 min read
Building a Compass in the Browser: How the DeviceOrientation API Actually Works

Building a Compass in the Browser: How the DeviceOrientation API Actually Works

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4 min read
Webhook vs polling for SMS verification codes: what actually breaks in production

Webhook vs polling for SMS verification codes: what actually breaks in production

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5 min read
How to upload a file over JSON-RPC, when JSON has no type for a file

How to upload a file over JSON-RPC, when JSON has no type for a file

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5 min read
The 40x Traffic Spike From One Partner: What Token-Bucket Rate Limiting Actually Buys You

The 40x Traffic Spike From One Partner: What Token-Bucket Rate Limiting Actually Buys You

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4 min read
Ask Workday's public API for 100 jobs and you get zero — with no error

Ask Workday's public API for 100 jobs and you get zero — with no error

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7 min read
I made an invoice PDF API that doesn't need a headless browser

I made an invoice PDF API that doesn't need a headless browser

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2 min read
Direct Meta WhatsApp Cloud API Integration: A Developer’s Guide (No BSP Required)

Direct Meta WhatsApp Cloud API Integration: A Developer’s Guide (No BSP Required)

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3 min read
idemkit: make any Python operation safe to retry (HTTP, queues, functions)

idemkit: make any Python operation safe to retry (HTTP, queues, functions)

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3 min read
When a Public API Stops Working: CORS, an Abandoned NASA Dataset, and a Netlify Function Proxy

When a Public API Stops Working: CORS, an Abandoned NASA Dataset, and a Netlify Function Proxy

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5 min read
Building a Visual Changelog for Your Web App

Building a Visual Changelog for Your Web App

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4 min read
We kept the image API experience and changed the economics underneath it

We kept the image API experience and changed the economics underneath it

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2 min read
How I built a Slack bot in 5 days (OAuth sucked!)

How I built a Slack bot in 5 days (OAuth sucked!)

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3 min read
LLM visibility tracking tools: 15 compared, and when to build instead

LLM visibility tracking tools: 15 compared, and when to build instead

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7 min read
Are duplicate keys valid in JSON? What RFC 8259 actually says

Are duplicate keys valid in JSON? What RFC 8259 actually says

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3 min read
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