Function fetch_usage_raw 

pub fn fetch_usage_raw(token: &str) -> Result<String, ApiError>

Fetch raw usage data from the Anthropic API (blocking).

This function makes a synchronous HTTP request to the usage API and returns the raw JSON response body.

Arguments

• token - OAuth access token for authentication

Errors

Returns ApiError if:

• Network request fails
• Server returns 401 (unauthorized)
• Server returns 429 (rate limited)
• Server returns 5xx (server error)
• Server returns unexpected status code

Security

The token is used only for this request and is not stored.