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sidebar_position: 4
slug: /llm_api_key_setup
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# Set your LLM API key
You have two ways to input your LLM API key.
## Before Starting The System
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In **user_default_llm** of [service_conf.yaml ](https://github.com/infiniflow/ragflow/blob/main/docker/service_conf.yaml ), you need to specify LLM factory and your own _API_KEY_.
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RAGFlow supports the flowing LLMs, with more coming in the pipeline:
- [OpenAI ](https://platform.openai.com/login?launch )
- [Tongyi-Qianwen ](https://dashscope.console.aliyun.com/model ),
- [ZHIPU-AI ](https://open.bigmodel.cn/ ),
- [Moonshot ](https://platform.moonshot.cn/docs )
- [DeepSeek ](https://platform.deepseek.com/api-docs/ )
- [Baichuan ](https://www.baichuan-ai.com/home )
- [VolcEngine ](https://www.volcengine.com/docs/82379 )
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After sign in these LLM suppliers, create your own API-Key, they all have a certain amount of free quota.
## After Starting The System
You can also set API-Key in **User Setting** as following:
