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docs(openrouter): add base_url config with environment variables (#15946)

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Added a new "Configuration with Environment Variables" section demonstrating:
- Using os.getenv() to dynamically retrieve OpenRouter configuration
- Explicitly passing base_url parameter with environment variables
- Benefits of this approach for managing configs across environments

This helps users implement production-ready configuration patterns.
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Shanto Mathew 2025-10-27 15:35:52 -05:00 • committed by GitHub
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33
docs/my-website/docs/providers/openrouter.md
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@ -9,10 +9,9 @@ LiteLLM supports all the text / chat / vision models from [OpenRouter](https://o
```python
import os
from litellm import completion
os.environ["OPENROUTER_API_KEY"] = ""
os.environ["OPENROUTER_API_BASE"] = "" # [OPTIONAL] defaults to https://openrouter.ai/api/v1
os.environ["OR_SITE_URL"] = "" # [OPTIONAL]
os.environ["OR_APP_NAME"] = "" # [OPTIONAL]
@ -22,8 +21,32 @@ response = completion(
)
```
## OpenRouter Completion Models
## Configuration with Environment Variables
For production environments, you can dynamically configure the base_url using environment variables:
```python
import os
from litellm import completion
# Configure with environment variables
OPENROUTER_API_KEY = os.getenv("OPENROUTER_API_KEY")
OPENROUTER_BASE_URL = os.getenv("OPENROUTER_API_BASE", "https://openrouter.ai/api/v1")
# Set environment for LiteLLM
os.environ["OPENROUTER_API_KEY"] = OPENROUTER_API_KEY
os.environ["OPENROUTER_API_BASE"] = OPENROUTER_BASE_URL
response = completion(
model="openrouter/google/palm-2-chat-bison",
messages=messages,
base_url=OPENROUTER_BASE_URL # Explicitly pass base_url for clarity
)
```
This approach provides better flexibility for managing configurations across different environments (dev, staging, production) and makes it easier to switch between self-hosted and cloud endpoints.
## OpenRouter Completion Models
🚨 LiteLLM supports ALL OpenRouter models, send `model=openrouter/<your-openrouter-model>` to send it to open router. See all openrouter models [here](https://openrouter.ai/models)
| Model Name | Function Call |
@ -40,12 +63,12 @@ response = completion(
| openrouter/meta-llama/llama-2-70b-chat | `completion('openrouter/meta-llama/llama-2-70b-chat', messages)` | `os.environ['OR_SITE_URL']`,`os.environ['OR_APP_NAME']`,`os.environ['OPENROUTER_API_KEY']` |
## Passing OpenRouter Params - transforms, models, route
Pass `transforms`, `models`, `route`as arguments to `litellm.completion()`
```python
import os
from litellm import completion
os.environ["OPENROUTER_API_KEY"] = ""
response = completion(
@ -54,4 +77,4 @@ response = completion(
transforms = [""],
route= ""
)
```
```