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Generate images with Jimeng 4.0 API
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Overview

This node integrates with the Jimeng 4.0 API to generate images either from text prompts or by transforming reference images based on a prompt. It supports two main operations:

  • Text to Image: Create an image purely from a descriptive text prompt.
  • Image to Image: Generate a new image influenced by both a reference image URL and a text prompt.

Common use cases include creative content generation, concept art creation, marketing visuals, or any scenario where AI-assisted image generation can accelerate design workflows. For example, a user might input "A beautiful landscape painting" as a prompt to get a unique artwork or provide a photo URL plus a prompt to create stylistic variations of that photo.

Properties

Name Meaning
Session ID Your jimeng.jianying.com session ID (required for authentication).
Operation The action to perform: "Text to Image" or "Image to Image".
Prompt Text description guiding the image generation.
Model The model version used for generation. Only option is "图片 4.0" (Image 4.0).
Resolution Output image resolution: "2K" or "4K".
Aspect Ratio Aspect ratio of the generated image. Options: "1:1", "16:9", "9:16", "4:3", "3:4".
Reference Image URL URL(s) of the reference image(s), comma-separated; required only for "Image to Image" operation.
Advanced > Timeout Maximum time in seconds to wait for image generation to complete (default 180 seconds).

Output

The node outputs JSON data with the following structure:

{
  "success": true,
  "imageUrls": [
    "https://example.com/generated-image1.png",
    "https://example.com/generated-image2.png"
  ]
}
  • success: Boolean indicating if the generation succeeded.
  • imageUrls: An array of URLs pointing to the generated image(s).

No binary data output is produced directly by this node; instead, it provides URLs to access the generated images.

Dependencies

  • Requires a valid session ID credential from jimeng.jianying.com for API authentication.
  • Relies on the external Jimeng 4.0 image generation API.
  • No additional environment variables or n8n-specific credentials are needed beyond the session ID input.

Troubleshooting

  • Common Issues:

    • Invalid or expired session ID will cause authentication failures.
    • Incorrect or unreachable reference image URLs may result in errors or no image generation.
    • Network timeouts if the generation takes longer than the specified timeout value.

  • Error Messages:

    • Errors thrown by the node typically contain the API error message or network failure details.
    • If the node fails but "Continue On Fail" is enabled, error details are returned in the output JSON under the error field.

  • Resolutions:

    • Verify the session ID is current and correctly entered.
    • Ensure reference image URLs are accessible and properly formatted.
    • Increase the timeout setting if image generation frequently times out.

Links and References

Discussion