def api_usage(self, **defaults):
        """
        Creates request builder for API usage

        This endpoint will provide information on the current usage of Twelve Data API.

        :returns: request builder instance
        :rtype: APIUsage
        """
        ctx = Context.from_context(self.ctx)
        ctx.defaults.update(defaults)
        return APIUsageEndpoint(ctx, **ctx.defaults)

        Creates request builder for API usage

        This endpoint will provide information on the current usage of Twelve Data API.

        :returns: request builder instance
        :rtype: APIUsage
        
src/twelvedata/client.py