Generate Images from Text Prompts with Google Imagen 3 via Replicate API | n8n Workflow Template

Overview

This workflow utilizes the n8n platform to automate image generation using Google Imagen 3 via the Replicate API.

Developers, digital artists, and content creators looking to generate AI-driven images.

The workflow automates the image generation process from textual prompts, enabling users to efficiently generate, check status, and retrieve images with minimal manual effort.

Initialize Workflow
- Triggered by a manual action for image generation.
Set Image Generation Parameters
- Users define prompts and parameters to send to the Replicate API.
Create Prediction
- Sends a request to generate an image based on user input.
Check Prediction Status
- Checks the status after a brief wait.
Handle Errors
- Stops the workflow and reports errors if status indicates failure.
Retrieve Image URL
- Outputs the URL of the generated image upon success.

Replicate API Key
- Sign up for an account on the Replicate website.
- Generate an API key from your dashboard.
Configure HTTP Credentials in n8n
- Navigate to the "Credentials" section.
- Create a new HTTP Header Authentication credential:
  - Name: Authorization
  - Value: Bearer YOUR_REPLICATE_API_KEY (replace with your actual key).

Edit Prompt Text: Change the prompt in the "Set prompt" node for customized image generation.
Change Image Generation Settings: Adjust parameters such as aspect ratio, safety filter, or model in the "Create prediction" node.
Add More Logic: Modify "Check for success" and "Check for errors" nodes for complex conditions or branching logic.
Modify Wait Duration: Optimize waiting time in the "Wait" and "Pause" nodes based on expected generation speed.

n8n allows for comprehensive automation solutions for image generation, enabling users to integrate with various APIs effortlessly.