The RinexLab features can be accessed through a RestFul API. As long as you are in possession of a valid token and you have created an API key in your account page, you can use the related service and do your GNSS process programmatically.
So, let's begin. Here is how to do this.
Get credentials to use the API.
Create PPP surveys and retrieve the positioning results.
Create PPK surveys and retrieve the positioning results.
Create VRS surveys and retrieve the virtual RINEX.