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API

Application Programming Interface

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"Every US Nonprofit's Budget Is Public. Here Is How to Build Lead Lists From It"

"Every US Nonprofit's Budget Is Public. Here Is How to Build Lead Lists From It"

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2 min read
How Telechat routes Claude queries to save 60% on API costs

How Telechat routes Claude queries to save 60% on API costs

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3 min read
Liveness vs Readiness: Health Check Endpoints That Wont Restart-Loop Your Service

Liveness vs Readiness: Health Check Endpoints That Wont Restart-Loop Your Service

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3 min read
Webhooks vs. Polling APIs: Which Architecture Should You Choose?

Webhooks vs. Polling APIs: Which Architecture Should You Choose?

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9 min read
"Apple Publishes Its App Store Charts as a Free JSON Feed. Rank Trackers Charge $40/mo for It"

"Apple Publishes Its App Store Charts as a Free JSON Feed. Rank Trackers Charge $40/mo for It"

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2 min read
We Put a Paid API Into the Agent Economy in One Morning (x402, Self-Hosted)

We Put a Paid API Into the Agent Economy in One Morning (x402, Self-Hosted)

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4 min read
Three hackathon agents, one card-free API key: what I learned building on Qwen Cloud

Three hackathon agents, one card-free API key: what I learned building on Qwen Cloud

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4 min read
AI Gateway Fees Compared: Who Marks Up Your Tokens?

AI Gateway Fees Compared: Who Marks Up Your Tokens?

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4 min read
Pick your first AI model from evidence, not memory

Pick your first AI model from evidence, not memory

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2 min read
"Your SEO Audit Should Be JSON, Not a 40-Tab Spreadsheet"

"Your SEO Audit Should Be JSON, Not a 40-Tab Spreadsheet"

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2 min read
Using One OpenAI-Compatible /v1 Endpoint Across AI Coding Agents

Using One OpenAI-Compatible /v1 Endpoint Across AI Coding Agents

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1 min read
We diffed two real Stripe API specs. 679 changes, 16 breaking. Here's what breaks your code.

We diffed two real Stripe API specs. 679 changes, 16 breaking. Here's what breaks your code.

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3 min read
The example is the schema: extracting Japanese qualified invoices to JSON

The example is the schema: extracting Japanese qualified invoices to JSON

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5 min read
The Middleware Bug That Took Down Our API (Twice)

The Middleware Bug That Took Down Our API (Twice)

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2 min read
API Fixture Pattern for Email Regression Checks

API Fixture Pattern for Email Regression Checks

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4 min read
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