Describe the problem/error/question I’m trying to build a wokflow able to generate images using image-to-image (plus prompt) inputs, but keep getting “Error code 422 (invalid request)”. The source images are stored in my own PC, and available for reading through “Read Binary Files” node from my volu…

I think your problem is here: [image] replace this expression with this one: {{ "data:" + (($binary.data && $binary.data.mimeType) ? $binary.data.mimeType : 'image/png') + ';base64,' + $json.data }} also add a loop to check the status.. i’d do it like this plug this workflow after yo…

[image] Fal.ai/flux Not Working Questions I think this is a similar question ? Or the same?

Actually is a similar question. There I was having trouble to generate text-to-image outputs. Now I’m having trouble to generate image-to-image, by using a reference image from my own hard disk. I don’t know if the problem is the URL, the “Move Binary Data – to base64” or something else.

It woked :smiley:!! It seems I’m lacking some basic knowledge about node parameters :sweat_smile:. If there’s any tutorial or guide material which you would indicate, I’ll gladly accept suggestions. Thank you so much for your help!

No worries! :grinning_face_with_smiling_eyes: I’d start with: – Text course level 1 + videos beginner level – Text course level 2 + videos advanced level Text courses | n8n Docs Access n8n text courses. Find beginner and intermediate courses to learn how to build automation workflow…

Fal.Ai/Flux - image-to-image generation

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Parintele_Damaskin October 27, 2025, 7:26am 2

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Fal.Ai/Flux - image-to-image generation

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