Guide shows how to test OpenAI-compatible APIs with curl, Python, and Node.js

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A developer has published a compact examples repository on GitHub to help users make their first successful call to any OpenAI-compatible API endpoint. The guide covers three common tools — curl, Python, and Node.js — along with streaming responses, structured JSON output, and a basic error reference. It recommends storing credentials in environment variables rather than hardcoding them into source code. The workflow is designed to verify that the base URL, API key, and model name are correctly configured before integrating the API into a full application. Common errors such as 401 Unauthorized, model not found, and timeout issues are also documented with suggested fixes.

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