Guidance Needed for Automated User Workflow Implementation

Hi everyone! I'm looking for some guidance on implementing an automated workflow. Here's what I'm trying to achieve: The Goal: When users sign up on our platform they provide their email and phone number, I want to automatically:

My Question: Is this technically feasible? If so, what tools or APIs would you recommend for:

Any insights, experiences, or alternative approaches would be greatly appreciated! Thanks in advance for your help!