How to use Amazon SP API credentials in n8n?

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Hi all,

I already have the Amazon SP API credential.

I want to connect to the Amazon Selling Partner API using these in n8n, but I’m not sure how to structure the authentication.

What’s the best way to use these credentials in n8n? Do I need to handle the signing and token manually in Function/HTTP Request nodes, or is there a better method?

Thanks in advance!

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Did you get anywhere with this? I got through the first layer of authentication but couldn’t get through the second :frowning: I’d love to get this working

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So to get it to connect to Amazon SP API . You have to take a two step approach. First use the custom http tool node to make a call to fetch the access token, then you can construct additional http tool nodes that make use of the access token to make additional calls. Not very efficient imo. But its capabilities are very basic. If n8n supported custom logic nodes with ability to import packages, then you could get some very robust workflows going. Hope this helps. If you need more clarification or want to talk about how to get it going reach out to me.