How to parse if there is no API?

Question

Parsing

Hello. Guys, there is one service where you need to take data for the CRM.
But they don't have an API.
Well, if not, it is there, but they don’t give out the keys, because. something with vulnerabilities and all that. There is login/password entry. It is necessary to periodically take data from this service in order to analyze it in your self-written CRM.
What are the possibilities for this?
1 headless chromium
2 selenium
3...
what other possibilities are there in the absence of API to collect data?

Answer 1

nightmare