Overview
The Generate Image with DALL·E 3 action lets you automatically create beautiful images from plain text prompts using OpenAI’s image generation tools. This action is perfect for generating illustrations, concept art, or any kind of image content.
💡 Note: To use this feature, you'll need an OpenAI API key with billing enabled and a positive balance. Visit https://platform.openai.com/usage to learn more.
How to Get Started
Add the Action
Create a new automation flow → ➕ Add Step.
Choose the Generate Image with DALL·E 3 action.
Obtain OpenAI API Key
Visit your OpenAI dashboard: https://platform.openai.com/api-keys.
Sign in to your OpenAI account, or create one if you don’t have one already.
Click ➕ Create new secret key.
(1) Label the new key (optional).
(2) Click Create secret key.
Copy your key and keep it private.
❗ Important: Save your key in a safe place. You won't be able to view it again.
Click Done to finish the process.
Authorize the Integration
Once the action is added, you’ll need to add your API Key.
In the Header section, replace YOUR_API_KEY with your OpenAI API key.
💡 Note: When using your OpenAI API key, keep the word "Bearer," followed by a single space, then your API key, exactly like this:
Bearer YOUR_API_KEY
Click Save changes to confirm the changes.
Define the Image Request
The JSON Body section "tells" the action what to generate. You can configure the prompt yourself or click ➕ to pull the data from actions/triggers.
model: Always set todall-e-3.
prompt: Describe the image you want. You can be creative and detailed — the more specific, the better the results.
n: Number of images to generate.
size: The image resolution. Common options include:
1024x1024(square)
1024x1792(portrait)
1792x1024(landscape)
Set Response Schema
After the image is generated, the API will send a response that includes a link to the image. You can then use the generated response link in subsequent steps:
In the Response Body Type section:
created: A timestamp of when the image was generated.
data: (This holds the actual image(s)).
Each object contains:
url: (string) — the link to the image.
Use Cases
Not sure how to make the most of this action? Here are a few ideas:
🪄 Use Case | 🔤 Description |
Visual content generation | Automatically create images for blog posts, newsletters, and updates based on the title or summary. |
Creative project support | Add illustrations to tasks for moodboards, brainstorms, or designs. |
Dynamic social media visuals | Pair this with social media automations to publish visual content. |
Learning and training | Generate illustrations from lesson titles or educational prompts to make materials more engaging. |
Prototyping | Quickly produce concept images based on product descriptions or features during early design phases. |
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