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Deepseek-API

sums001

DeepSeek API is an unofficial, free, OpenAI-compatible API that turns the consumer DeepSeek web chat into a programmable service using your own free account.

Stars

185

7-day growth

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Forks

35

Open issues

3

License

MIT

Last updated

2026-06-30

AI repository intelligence
FR-AI / ANALYSIS

Why it is worth attention

It provides free, unlimited (within rate limits) access to DeepSeek models via a standard OpenAI-compatible interface, requiring only a personal DeepSeek account and no API key or billing.

Who it is for

  • Developers seeking a free LLM API for personal projects or prototyping
  • Users of the OpenAI Python SDK who want a drop-in alternative for DeepSeek
  • Hobbyists and researchers needing programmatic access to DeepSeek's web experience
  • Anyone wanting to integrate DeepSeek chat into their own tools without paying

Use cases

  • Building personal chatbots or assistants using a free LLM backend
  • Automating multi-turn conversations with DeepSeek for testing or data collection
  • Replacing OpenAI endpoints in existing applications with DeepSeek by simply changing the base URL
  • Experimenting with DeepThink reasoning and web search features from code

Strengths

  • Completely free by leveraging your existing DeepSeek account; no API billing
  • Drop-in replacement for OpenAI API – works with any OpenAI-compatible client or SDK
  • Supports streaming, multi-turn conversations, DeepThink reasoning, and web search per request
  • Automatic handling of session renewal, human verification, and proof-of-work challenges

Considerations

  • Unofficial project; must comply with DeepSeek's terms of service and use responsibly
  • Serialized requests (one at a time per account) due to non-reentrant Wasm solver; low throughput
  • Many OpenAI parameters (temperature, top_p, etc.) are accepted but ignored, and token counts are rough estimates

README quick start

Usage 1: In Python (no server)

Description

Reverse engineered Deepseek chat into an OpenAI compatible API. Access V4 and R1 models through a simple REST interface without API keys or billing.

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