DeerAPI PlusInstall

Summary

Enhances a prompt for image generation by adding details such as lighting, composition, background, and style based on the selected image category.

Inputs

• model (required) — The model to use for prompt enhancement. Options: Gemini 2.5 Flash (gemini-2.5-flash), GPT-4o (gpt-4o), or Custom (__custom).
• customModel — Custom model ID to use when 'Model' is set to Custom (__custom).
• prompt (required) — The original prompt to enhance.
• category (required) — Target image category that guides the enhancement. Options: product_photo, lifestyle, flat_lay, model_shot, detail_shot, packaging, social_media, banner.
• additionalOptions.style — Target visual style (e.g. minimal, luxury, vibrant) to incorporate into the enhanced prompt.
• additionalOptions.language — Output language for the enhanced prompt. Options: en (English), zh (Chinese). Default: en.
• additionalOptions.temperature — Controls randomness of the model output (0 = deterministic, 2 = more creative). Default: 0.7.
• additionalOptions.maxTokens — Maximum number of tokens allowed in the model response. Default: 2048.
• additionalOptions.simplify — Whether to return a simplified output containing only key fields. Default: true.
• additionalOptions.systemPromptOverride — Optional custom system prompt to replace the built‑in enhancement instructions. Leave empty to use the built‑in prompt.
• additionalOptions.extraBodyFields — Additional JSON fields to merge into the request body sent to the model (e.g. '{'top_p': 0.9}').

Output shape

object

When 'additionalOptions.simplify' is true (default), only the fields listed under 'Simplified output' are returned. When false, an extra 'raw_content' field is included with the model’s raw response text.

Examples

Example 1: Basic usage with default model and English output

Model: Gemini 2.5 Flash, Prompt: 'A red shoe', Category: product_photo, Language: en, Simplify: true

Example 2: Using a custom model and requesting Chinese output with full raw response

Model: __custom, Custom Model: 'my-model-v1', Prompt: 'A red shoe', Category: product_photo, Language: zh, Simplify: false

Links

• n8n community nodes installation guide