Perplexity AI credential error (Bad request - please check your parameters)

[Johan_Jianta]

Describe the problem/error/question

Why does my Perplexity credential keep showing an error?? I’m pretty sure i’ve input the correct key.

What is the error message (if any)?

Information on your n8n setup

• n8n version: 1.107.3
• Database (default: SQLite):
• n8n EXECUTIONS_PROCESS setting (default: own, main):
• Running n8n via (Docker, npm, n8n cloud, desktop app):
• Operating system:

[fahmiiireza]

Hi there. @Johan_Jianta , let me see

[fahmiiireza]

i think your problem is a bit similar with this discussion

Perplexity Node: Credential test fails, but node executes successfully

Describe the problem/error/question Perplexity Node: Credential test fails, but node executes successfully. Steps to Reproduce: Paste the provided workflow into a new n8n canvas. Open the Perplexity node and create a new credential. Enter a valid Perplexity API Key. The connection test immediately shows the error: “Couldn’t connect with these settings”. Save the credential and close the node. Manually execute the node with any prompt. Observe that the node executes successfu…

anyway, it seems like it’s just a small bug on the display, you can still try and test it out yourself by exeucting the node itself with the perplexity api key tht you already sure is correct

ofc if you still have some issue, im here to help! thank you

and if it does help, please mark my answer as solution, thank you!

[Johan_Jianta]

Thank you @fahmiiireza

[hsteph]

I have observed the same behavior with the PostgreSQL credentials accessing Supabase.

And yes, I have the same issue with Perplexity.

[fahmiiireza]

yes, hopefully they fixed this issue asap, glad that it can also help you mate @hsteph

[jan]

New version [email protected] got released which includes the GitHub PR 19440.