Generate images via webhook with Sublyx image generation API

by jal · 4 views · created 2026-09-01 · Content Creation, Multimodal AI

What this workflow does

This workflow has 5 nodes and runs when an HTTP POST request hits its webhook URL. It uses only n8n's built-in nodes. It also calls api.sublyx.org over HTTP.

How it runs

Trigger: When an HTTP POST request hits its webhook URL.

1. Generate Image (Sublyx) (HTTP Request): calls api.sublyx.org (POST)
2. Extract Image (Code): runs custom JavaScript code
3. Base64 to Image File (Convert to File): converts data to a file (to binary)
4. Respond with Image (Respond to Webhook): sends the response back to the webhook caller

HTTP calls to: api.sublyx.org

Before you upgrade to n8n 3.0

Nodes used (5)

• Webhookn8n-nodes-base.webhook
• HTTP Requestn8n-nodes-base.httpRequest
• Coden8n-nodes-base.code
• Convert to Filen8n-nodes-base.convertToFile
• Respond to Webhookn8n-nodes-base.respondToWebhook

From the author

Quick overview This workflow exposes a webhook that accepts an image prompt and optional parameters, sends them to the Sublyx Images Generation API, and returns the generated image back in the webhook response as a PNG file. How it works 1. Receives a POST…

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