Not just that, they also plain tell you how much it costs to buy an entire rocket launch for yourself.

https://www.spacex.com/media/Capabilities&Services.pdf

To save a click, that PDF at this moment says clearly:

STANDARD PAYMENT PLAN [for Falcon 9] (through 2024) $69.75 M Up to 5.5 mT TO GTO

If they can put a specific base price on their website, so can any SaaS.