Latenode
Webhook
ChatGPT

How to Use Picture Description In Your Marketing Automation Scenarios?

This template starts when a webhook receives a product image URL, then ChatGPT describes what is in the photo and writes listing or ad copy from that description.

Use it for marketplace listings, ads, or catalog text you do not want to write by hand. Paste the webhook URL into the tool that already has the image. ChatGPT is Latenode AI, so you do not paste an OpenAI key.

Updated Sep 16, 2026Est. run: 24sEst. cost: $0.0015
How Latenode estimates time and cost

Latenode bills workflow runtime in CPU seconds. The first 10,000 CPU seconds are free each month, then usage follows pay-as-you-go CPU-second pricing. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how CPU seconds work →

Workflow preview

What this template does

  • Turns product photos into description and ad copy without typing
  • Starts from a webhook your existing tools can call
  • Writes SEO-oriented listing text with ChatGPT
  • Does not ask you to paste an OpenAI key

How it works

1
Trigger

Receive the image URL

The scenario starts when your app posts a product image URL to the Latenode webhook.

2
AI

Describe and write copy

ChatGPT looks at the image, returns a plain-language description, and writes SEO-friendly ad or listing text.

Setup guide

1

Add the webhook

Add a webhook trigger and copy the URL. Have your shop, catalog, or form POST the image URL, and a product name if you have one.

2

Prompt ChatGPT

Send the image URL to ChatGPT. Ask for a short visual description plus headline, body, and tags aimed at search. ChatGPT is a Latenode AI step.

3

Use the copy

Map ChatGPT output into the next step you already run, such as a listing field or an ad brief. Test with one product photo first.

Requirements

A webhook URL you can POST an image URL to
Product photos ChatGPT can fetch from that URL
A prompt that states the marketplace or ad format you want

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work. Plug-and-Play AI nodes are billed separately.
Contact support →

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