ActivityItem | OpenRouter Python SDK | OpenRouter

The Python SDK and docs are currently in beta. Report issues on GitHub.

Fields

Field	Type	Required	Description	Example
`byok_usage_inference`	float	✔️	BYOK inference cost in USD (external credits spent)	0.012
`completion_tokens`	int	✔️	Total completion tokens generated	125
`date_`	str	✔️	Date of the activity (YYYY-MM-DD format)	2025-08-24
`endpoint_id`	str	✔️	Unique identifier for the endpoint	550e8400-e29b-41d4-a716-446655440000
`model`	str	✔️	Model slug (e.g., “openai/gpt-4.1”)	openai/gpt-4.1
`model_permaslug`	str	✔️	Model permaslug (e.g., “openai/gpt-4.1-2025-04-14”)	openai/gpt-4.1-2025-04-14
`prompt_tokens`	int	✔️	Total prompt tokens used	50
`provider_name`	str	✔️	Name of the provider serving this endpoint	OpenAI
`reasoning_tokens`	int	✔️	Total reasoning tokens used	25
`requests`	int	✔️	Number of requests made	5
`usage`	float	✔️	Total cost in USD (OpenRouter credits spent)	0.015