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Idempotent APIs: Complete Guide to Building Reliable and Duplicate-Safe Distributed Systems

Idempotent APIs: Complete Guide to Building Reliable and Duplicate-Safe Distributed Systems

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5 min read
The Model Was Never the Problem

The Model Was Never the Problem

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4 min read
Passport OCR in Node.js: image to JSON with fetch, idempotency and the billed flag

Passport OCR in Node.js: image to JSON with fetch, idempotency and the billed flag

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8 min read
The portal said "Live." For a few hours the page kept saying the connector didn't exist.

The portal said "Live." For a few hours the page kept saying the connector didn't exist.

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6 min read
How to Deploy a Remote MCP Server with Streamable HTTP

How to Deploy a Remote MCP Server with Streamable HTTP

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6 min read
YouTube Crawler: Data Extraction vs. Video Downloads

YouTube Crawler: Data Extraction vs. Video Downloads

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7 min read
A stale authorization cache is not a current permission

A stale authorization cache is not a current permission

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1 min read
Sequential Retries Pass, Concurrent Duplicates Fail: Black-Box Testing for Idempotency-Key Races

Sequential Retries Pass, Concurrent Duplicates Fail: Black-Box Testing for Idempotency-Key Races

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3 min read
API Marketplace vs Agent Service Marketplace What Changes When the Client Is an AI Agent

API Marketplace vs Agent Service Marketplace What Changes When the Client Is an AI Agent

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2 min read
Phone verification on a free RapidAPI key: WhatsApp first, SMS when it fails

Phone verification on a free RapidAPI key: WhatsApp first, SMS when it fails

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4 min read
The Hard Part of an API Isn't Calling It

The Hard Part of an API Isn't Calling It

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3 min read
Project access is not object permission

Project access is not object permission

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1 min read
A third of our calls came from an address our carrier had never been given

A third of our calls came from an address our carrier had never been given

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2 min read
Letting an AI agent read identity documents over MCP

Letting an AI agent read identity documents over MCP

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7 min read
TDD for Requirements

TDD for Requirements

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9 min read
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