The DeepSeek API uses an API format compatible with OpenAI/Anthropic. By modifying the configuration, you can use the OpenAI/Anthropic SDK or softwares compatible with the OpenAI/Anthropic API to access the DeepSeek API.

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A getting-started guide for the DeepSeek API, which is compatible with OpenAI and Anthropic SDK formats. Covers base URL configuration, API key setup, available model names (deepseek-v4-flash, deepseek-v4-pro, and deprecated aliases), and basic chat completion calls via curl, Python, and Node.js.

Your First API Call