“Cheap” Claude API via third-party proxies: cheap, but what are you really paying with?
Groups often advertise Claude keys/endpoints at 50–80% off. Before plugging one into a project, understand the data, model-quality and terms risks.
Tips
Prompts, shortcuts and saving tokens. · 7 articles
Pro/Max plan or pay-as-you-go API? Picking the right way to pay for Claude
Same models, two completely different billing models. Pick wrong and you either overpay or hit limits right when you need them.
Protecting API keys in AI apps: 7 mistakes that blow up your bill overnight
Keys leaked on GitHub or in client-side JavaScript get scraped and abused within minutes. A short checklist to avoid being the victim.
Installing MCP servers and skills for fun? Understand prompt injection first
Agents read web pages, emails, GitHub issues… and any of that text can carry hidden instructions. Simple defensive rules for Claude Code users.
Caveman: make Claude talk like a caveman to cut output tokens
A community skill that strips greetings, articles and filler from Claude’s replies while leaving code unchanged. It saves output tokens, but isn’t for every situation.
Type 5 keys, send 1 request: how a 300ms debounce works
A search box that calls the API on every keystroke floods the server with half-typed queries. Debounce waits until you’re done.
setTimeout(fn, 0) runs 50ms later? The event loop explains why
“0ms” doesn’t promise to run now — only to queue early. Microtasks always go before macrotasks.
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