How to create a free new scenenario and activate it

What are you trying to achieve?

i am new in make and i am still trying to create a free new scenario and activate. i am also using perplexity AI and it asking for a perplexity API. What should i do to be able to complete and activate this free scenario?

Steps taken so far

i have just started the first step of the scenario. i started with RSS and wanted to use use perplexity AI to link RSS and a router. but i am stucked here because perplexity is asking for API which i don’t have.