{"product_id":"n8n-webhook-workflow-generate-images-with-sublyx-api","title":"n8n Webhook Workflow: Generate Images with Sublyx API","description":"\u003ch3\u003eGenerate images from an n8n webhook using the Sublyx Images Generation API\u003c\/h3\u003e\n\u003cp\u003eThis n8n Webhook Workflow lets you send an image \u003cstrong\u003eprompt\u003c\/strong\u003e to a webhook endpoint and receive the generated result back as a downloadable \u003cstrong\u003ePNG\u003c\/strong\u003e—fully automated with the \u003cstrong\u003eSublyx API\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a POST request\u003c\/strong\u003e at the webhook URL with a required \u003ccode\u003eprompt\u003c\/code\u003e field, plus optional parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReads optional inputs\u003c\/strong\u003e: \u003ccode\u003emodel\u003c\/code\u003e (default: \u003ccode\u003egpt-image-2\u003c\/code\u003e) and \u003ccode\u003esize\u003c\/code\u003e (default: \u003ccode\u003e1024x1024\u003c\/code\u003e).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalls the Sublyx AI Images Generation API\u003c\/strong\u003e to generate \u003cstrong\u003eone\u003c\/strong\u003e image using the provided prompt and settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtracts the generated image\u003c\/strong\u003e from the Sublyx response (URL or base64 image data, depending on the API output).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConverts base64 to a PNG binary\u003c\/strong\u003e using the workflow’s file conversion step.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponds to the webhook caller\u003c\/strong\u003e by returning the generated PNG as a binary download.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOn-demand image generation\u003c\/strong\u003e in a web app: your frontend posts a prompt and instantly gets a PNG back.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContent prototyping for SaaS operators\u003c\/strong\u003e: generate visuals for drafts, landing page iterations, or mockups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomation engineers’ pipelines\u003c\/strong\u003e: integrate Sublyx-backed image creation into larger n8n workflows via webhook triggers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWebhook trigger\u003c\/strong\u003e to accept POST requests containing \u003ccode\u003eprompt\u003c\/code\u003e, optional \u003ccode\u003emodel\u003c\/code\u003e, and optional \u003ccode\u003esize\u003c\/code\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHTTP Request\u003c\/strong\u003e node to call the \u003cstrong\u003eSublyx Images Generation API\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCode\u003c\/strong\u003e node for extracting image data from the Sublyx API response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvert to File\u003c\/strong\u003e to turn base64 image data into a \u003cstrong\u003ePNG\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRespond to Webhook\u003c\/strong\u003e node to return the PNG binary to the caller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSetup\u003c\/h3\u003e\n\u003cp\u003eCreate a Sublyx API credential in n8n (HTTP templated custom auth) with your Sublyx API key, activate the workflow, copy the webhook URL, and send a POST payload including \u003ccode\u003eprompt\u003c\/code\u003e.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45938282332339,"sku":"N8N-18997","price":45.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/Db-x1-8rCufnECXKgMzA0_SoHHqfTY.png?v=1788341183","url":"https:\/\/buyflowscripts.com\/products\/n8n-webhook-workflow-generate-images-with-sublyx-api","provider":"N8N Commerce","version":"1.0","type":"link"}