Unlikely. The sale of digital goods, software and SaaS products is not currently taxable in California.
No. You don't owe tax for the sale of cloud software subscriptions to customers in California.
No. You don't owe tax for the sale of software downloads to customers in California.
No. You don't owe tax for the sale of eBooks to customers in California.
No. You don't owe tax for the sale of digital downloads to customers in California.