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Application Programming Interface

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I built an API that turns JSON into legally-compliant EU e-invoices (Factur-X), because 2026 is coming

I built an API that turns JSON into legally-compliant EU e-invoices (Factur-X), because 2026 is coming

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2 min read
Rate Limiting and Backpressure for Enterprise AI APIs: The Part Nobody Designs Until It Breaks

Rate Limiting and Backpressure for Enterprise AI APIs: The Part Nobody Designs Until It Breaks

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3 min read
Refuted or Rate Limited

Refuted or Rate Limited

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1 min read
How to Detect cdnjs on Any Website (API Guide)

How to Detect cdnjs on Any Website (API Guide)

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11 min read
ipinfo.io vs IPPubblico.org — which free IP API should you use in 2026?

ipinfo.io vs IPPubblico.org — which free IP API should you use in 2026?

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4 min read
Your Checkout Redirect Is Not Payment Confirmation

Your Checkout Redirect Is Not Payment Confirmation

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6 min read
Automatic Shipping Labels with a SOAP API: the WAF Wall and the VPS Proxy

Automatic Shipping Labels with a SOAP API: the WAF Wall and the VPS Proxy

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5 min read
Escalate an AI email agent's thread to a human

Escalate an AI email agent's thread to a human

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11 min read
Building a sub-millisecond BIN risk-scoring engine in Go (lock-free reads + hot-reload)

Building a sub-millisecond BIN risk-scoring engine in Go (lock-free reads + hot-reload)

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2 min read
Build a Simple Keyword Ranking Monitor with Python and a SERP API

Build a Simple Keyword Ranking Monitor with Python and a SERP API

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12 min read
Integrating payments into a contractor CRM: Stripe vs Square vs QuickBooks

Integrating payments into a contractor CRM: Stripe vs Square vs QuickBooks

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3 min read
Prompt Injection + Missing Authentication: How I Turned an AI Translation API into a Free LLM Abuse Vector (Denial of Wallet)

Prompt Injection + Missing Authentication: How I Turned an AI Translation API into a Free LLM Abuse Vector (Denial of Wallet)

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2 min read
What It Takes to Build an AI Personal Assistant That Actually Remembers

What It Takes to Build an AI Personal Assistant That Actually Remembers

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2 min read
4 Shopify API & Headless Gotchas Every Developer Hits (And How to Fix Them)

4 Shopify API & Headless Gotchas Every Developer Hits (And How to Fix Them)

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2 min read
Fingerprint any website's tech stack from the command line — no Selenium, no headless Chrome

Fingerprint any website's tech stack from the command line — no Selenium, no headless Chrome

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3 min read
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