Hi @Alexandre_ls, welcome to the community!
I am sorry to hear you’re having trouble. Airtable’s API doesn’t support file uploads I am afraid. So you would need to send a JSON object matching Airtable’s attachment format and including a public file URL in the respective field.
Assuming your attachment field is called “Image”, something like this should work (I’ve tried to mock your data structure based on your existing workflow, you might still need some fine-tuning though):
This will upload two files to your Airtable (assuming you are using the stable n8n version on n8n cloud):
Hope this helps!