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My refund handler checked the ledger before paying. It still paid twice.

My refund handler checked the ledger before paying. It still paid twice.

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5 min read
The App Version You Shipped in March Is Still Calling Your API

The App Version You Shipped in March Is Still Calling Your API

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6 min read
GMO Coin API in Python: HMAC signing, post-only limit orders, and the 4 errors that will bite you

GMO Coin API in Python: HMAC signing, post-only limit orders, and the 4 errors that will bite you

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6 min read
Go Web Frameworks in 2026: net/http, chi, Gin, Echo, Fiber Compared

Go Web Frameworks in 2026: net/http, chi, Gin, Echo, Fiber Compared

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9 min read
Add AI meeting summaries to any app with Zoom AI Services in 15 minutes

Add AI meeting summaries to any app with Zoom AI Services in 15 minutes

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7 min read
Claude Message Batches: What to Do With Each Result State

Claude Message Batches: What to Do With Each Result State

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2 min read
Same Wrong Request Type, Four Different Answers: 404 Silence, a Named 405, and Two Venues That Simply Do Not Care

Same Wrong Request Type, Four Different Answers: 404 Silence, a Named 405, and Two Venues That Simply Do Not Care

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5 min read
Two Protocols, Three Translations: How a Host Bridges MCP and an LLM Provider API

Two Protocols, Three Translations: How a Host Bridges MCP and an LLM Provider API

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14 min read
The A2A Agent Card explained: discovery, supported interfaces, and signature verification

The A2A Agent Card explained: discovery, supported interfaces, and signature verification

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5 min read
Document API authentication in OpenAPI 3.1: Bearer, API keys, OAuth 2, and mTLS without the usual mistakes

Document API authentication in OpenAPI 3.1: Bearer, API keys, OAuth 2, and mTLS without the usual mistakes

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4 min read
Reusable JSON Schema components in OpenAPI: DRY models without $ref spaghetti

Reusable JSON Schema components in OpenAPI: DRY models without $ref spaghetti

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4 min read
Bridge an existing HTTP API to A2A agents: JSON-RPC, REST, and gRPC from one handler

Bridge an existing HTTP API to A2A agents: JSON-RPC, REST, and gRPC from one handler

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5 min read
A free, keyless Remote Jobs API I built to stop scraping job boards (5 sources, one call)

A free, keyless Remote Jobs API I built to stop scraping job boards (5 sources, one call)

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3 min read
Deepfake Detection API: Adding Image and Video Verification to Your Platform

Deepfake Detection API: Adding Image and Video Verification to Your Platform

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10 min read
I built a zero-dependency CLI to snapshot the remote job market into CSV/JSON/SQLite

I built a zero-dependency CLI to snapshot the remote job market into CSV/JSON/SQLite

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3 min read
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