If you have not already, sign up with Perplexity - https://www.perplexity.ai/onboarding/org/create
Create an API group - https://www.perplexity.ai/account/api/group
Fill out the address for your company

Enter your credit card information (this is for the seats which you may have zero of … but Perplexity still wants your info)

Add API billing info - https://www.perplexity.ai/account/api/billing (This is separate from the billing info for seats)

Buy API credits - https://www.perplexity.ai/account/api/billing (For a trial $10 USD is likely plenty)

Create an API key - https://www.perplexity.ai/account/api/keys


Copy the key that you created - save this for configuring the Perplexity Provider in AI Portal.

Follow the directions on creating a Provider Config: Adding / Updating a Sonar Provider in AI Portal