DeepSeek API

DeepSeek API provides programmatic access to DeepSeek models for applications and developer tools. Its documentation describes authentication, model access and example requests.

The API supports compatible client formats; consult the current documentation for models, pricing and usage limits.

Official source

Build
github.com
DeepSeek Harness documentation showing where to configure a DeepSeek API key.
A text excerpt from the official DeepSeek Harness guide, by DeepSeek and contributors. Captured 6 November 2026. Source · MIT

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