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Application Programming Interface

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Our API docs told AI agents to do the exact thing that fails

Our API docs told AI agents to do the exact thing that fails

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3 min read
I tested 42 large employers to see which ones you can actually scrape. Only 7 worked.

I tested 42 large employers to see which ones you can actually scrape. Only 7 worked.

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4 min read
I needed Markdown JSON in four pipelines, so I shipped one endpoint that does it once

I needed Markdown JSON in four pipelines, so I shipped one endpoint that does it once

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5 min read
I tried to build an Apple Shortcut from code. Apple said no, four times.

I tried to build an Apple Shortcut from code. Apple said no, four times.

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5 min read
Receiving webhooks without getting burned

Receiving webhooks without getting burned

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7 min read
SEO Quality Gates with GitHub Actions

SEO Quality Gates with GitHub Actions

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7 min read
We Fixed the Same Auth Bug Three Times Before We Admitted It Was One Bug

We Fixed the Same Auth Bug Three Times Before We Admitted It Was One Bug

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3 min read
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
API Testing with Python and pytest: Writing Real Tests Against a Live Mock API

API Testing with Python and pytest: Writing Real Tests Against a Live Mock API

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7 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
Three App Store Connect API Hard Limits That Only Bite at a Fast Release Cadence

Three App Store Connect API Hard Limits That Only Bite at a Fast Release Cadence

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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
API design: raw data, or totals with the business logic baked in?

API design: raw data, or totals with the business logic baked in?

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2 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
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