Send multiple pdf binary files in one HTTP post request dynamically (Stirling PDFs API)


I’m looking to use the Stirling PDF API to merge multiple PDFs together.
I’d like to automate this, but I can’t seem to dynamically send multiple pdfs via an HTTP POST request.

It works in Postman. But I can’t get it to work in n8n.

Stirling API:


In the Http POST node we can only pass fixed values ​​for n8n binary data, there is no expression option.

Thank you in advance for your help.

Best Regards,

1 Like

Hi @SauerWorkflow :wave:

You wouldn’t be able to do this with one singular HTTP request node - you can check out this post for some alternative options, though:

This seems like another use case for Http Request Node - Parameters with the same name - Feature Requests - n8n

Please add your vote!

This topic was automatically closed 90 days after the last reply. New replies are no longer allowed.