# DeepSeek API Library
 
DeepSeek-V3 achieves a significant breakthrough in inference speed over previous models. It tops the leaderboard among open-source models and rivals the most advanced closed-source models globally at the time of this writing.
This library is a thin client to communicate with the deepseek server.
## 📥 Installation
```
pip install deepseek
```
## 🥔 Preparation
- You need to have Deepseek API Key. If not, go [here](https://platform.deepseek.com/api_keys) to get one.
- Set your api key as an environment variable.
Export an environment variable on macOS or Linux systems:
```
export DEEPSEEK_API_KEY=<YOUR_API_KEY>
```
Export an environment variable in PowerShell in Windows
```
setx DEEPSEEK_API_KEY <YOUR_API_KEY>
```
## 💎 Usage
```
from deepseek import DeepSeekAPI
api_client = DeepSeekAPI()
```
- Get your account balance
```
api_client.user_balance()
```
- Chat (with streaming off)
```Python
r = api_client.chat_completion(prompt='Hi')
print(r)
```
- Chat (with streaming on)
```Python
for chunk in api_client.chat_completion(prompt='Hi', stream=True):
print(chunk, end='', flush=True)
```
- Fill-In-the-Middle (with streaming off)
```Python
r = api_client.fim_completion(prompt='Hi', max_tokens=64)
print(r)
```
- Fill-In-the-Middle (with streaming on)
```
for chunk in api_client.fim_completion(prompt='Once upon a time, ', stream=True):
print(chunk, end='', flush=True)
```
> Maintained by [deskpai.com](https://deskpai.com) 2025, Contact: [dev@deskpai.com](mailto:dev@deskpai.com)
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