Authentication
Set yourOPENROUTER_API_KEY environment variable. Get your key from here.
Example
UseOpenRouter with your Agent:
Params
OpenRouter also supports the params of OpenAI.
Prompt caching
Prompt caching will happen automatically using ourOpenRouter model, when the used provider supports it. In other cases you can activate it via the cache_control header.
You can read more about prompt caching with OpenRouter in their docs.