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Application Programming Interface

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How to calculate customer usage for billing

How to calculate customer usage for billing

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6 min read
Telegram's username field can be an empty string — and which handle to use instead

Telegram's username field can be an empty string — and which handle to use instead

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3 min read
Your API Is Someone Else’s Dependency

Your API Is Someone Else’s Dependency

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11 min read
Our 3 a.m. batch job was running at Beijing's afternoon peak rate

Our 3 a.m. batch job was running at Beijing's afternoon peak rate

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3 min read
I built a tool to stop losing sleep over silently failing payment webhooks (Flutterwave/Paystack/Orange Money)

I built a tool to stop losing sleep over silently failing payment webhooks (Flutterwave/Paystack/Orange Money)

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2 min read
I pinged 55 LLMs every 8 hours for a week. What stayed up, what broke, what vanished (Sep 15–21)

I pinged 55 LLMs every 8 hours for a week. What stayed up, what broke, what vanished (Sep 15–21)

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3 min read
Handling long-running AI video renders: 202 Accepted, polling and signed webhooks (with a working example)

Handling long-running AI video renders: 202 Accepted, polling and signed webhooks (with a working example)

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5 min read
How a niche calendar page got to #1 on Google and Bing

How a niche calendar page got to #1 on Google and Bing

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3 min read
14,000 production calls later: image and video APIs fail in two opposite ways

14,000 production calls later: image and video APIs fail in two opposite ways

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6 min read
profullstack.com/stack: the stack, per use case, written for agents

profullstack.com/stack: the stack, per use case, written for agents

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2 min read
Playwright API Testing Plus E2E: Testing the Same User Flow at Two Layers, on Purpose

Playwright API Testing Plus E2E: Testing the Same User Flow at Two Layers, on Purpose

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4 min read
Are there any free API alternatives to Gemini or Groq with higher rate limits for a FastAPI backend?

Are there any free API alternatives to Gemini or Groq with higher rate limits for a FastAPI backend?

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1 min read
Polymarket API in Python - odds, volume and order books to CSV without writing a scraper

Polymarket API in Python - odds, volume and order books to CSV without writing a scraper

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3 min read
Your AI Agent Can Call APIs Now

Your AI Agent Can Call APIs Now

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6 min read
The LLM Is Not Your Ranker. Four Layers, and It Only Touches Two

The LLM Is Not Your Ranker. Four Layers, and It Only Touches Two

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5 min read
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