These days, many persons/agents are offering paid authorship for research papers and patents (IPR, Australia, and US Patents) through social media and networking sites.
Is there any importance of such type of paid authorship in the career of a researcher or academician?
Paid authorship for research papers is scientific fraud. What you may pay for is help in improving the language (orthography, grammar, style) of what you have written yourself.
Paid authorship? I would ask, for what? any future goal? Dear friend, first of all, they are probably fraud. Second thing, in this scientific world, we should try to contribute ourself (giving new ideas). Better if we learn from a basic, but we should try ourselves, it will definitely pay us a great value in the future.
Publishers are investigating the claims, and have retracted dozens of articles over suspicions that people have paid to be named as authors, despite not participating in the research. Integrity specialists warn that the problem is growing, and say that other retractions are likely to follow...
https://www.nature.com/articles/d41586-023-00062-9
When authorship disputes arise in academic publishing, research institutions may be asked to investigate the circumstances. We evaluated the association between the prevalence of misattributed authorship and trust in the institution involved...
https://www.rmmj.org.il/issues/59/articles/1693