AI-powered image analysis
Analyze any image and generate detailed text prompts that describe its content, style, and composition.
Key capabilities
- Automatic image analysis: AI extracts subjects, objects, colors, lighting, and composition from images
- Prompt-ready output: Generated descriptions formatted for direct use with text-to-image models
- Flexible input: Accepts images via URL or base64-encoded string
- Style detection: Identifies artistic styles, photography techniques, and visual aesthetics
- Detail extraction: Captures fine details including textures, materials, and environmental elements
- Multi-format support: Works with common image formats (JPEG, PNG, WebP)
- Async processing: Webhook notifications or polling for task completion
Use cases
- Prompt engineering: Reverse-engineer prompts from reference images to recreate similar styles
- Image cataloging: Generate searchable text descriptions for image libraries
- AI workflow automation: Bridge image-to-text pipelines for automated content creation
- Style transfer preparation: Extract style descriptions for consistent AI image generation
- Content moderation: Generate text descriptions for image review and classification
- Accessibility: Create alt-text descriptions for images in web applications
Generate prompts with Image to Prompt
Submit an image via URL or base64-encoded string. The service returns a task ID for async polling or webhook notification.Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
image | string | Yes | - | Input image for analysis. Accepts URL or base64-encoded string (e.g., data:image/jpeg;base64,...) |
webhook_url | string | No | - | URL for task completion notification |
Response
When the task completes successfully, the response includes:| Field | Type | Description |
|---|---|---|
task_id | string | Unique identifier for the task (UUID format) |
status | string | Task status: CREATED, IN_PROGRESS, COMPLETED, or FAILED |
generated | array | Array containing the generated prompt text |
Frequently Asked Questions
What is Image to Prompt and how does it work?
What is Image to Prompt and how does it work?
Image to Prompt is an AI-powered API that analyzes images and generates text descriptions suitable for AI image generation. You submit an image (via URL or base64), receive a task ID immediately, then poll for results or receive a webhook notification. The output is a detailed text prompt describing the image content, style, and composition.
What image formats does Image to Prompt support?
What image formats does Image to Prompt support?
Image to Prompt accepts common image formats including JPEG, PNG, and WebP. Images can be provided as publicly accessible URLs or as base64-encoded strings with the appropriate data URI prefix (e.g.,
data:image/jpeg;base64,...).How detailed are the generated prompts?
How detailed are the generated prompts?
The generated prompts capture multiple aspects of the image including subjects, objects, colors, lighting, composition, artistic style, and fine details like textures and materials. The descriptions are formatted for direct use with AI image generation models like Flux, Seedream, or Mystic.
Can I use the generated prompts with other AI image generators?
Can I use the generated prompts with other AI image generators?
How long does image analysis take?
How long does image analysis take?
Processing time varies based on image complexity and current system load. Typical analysis completes within a few seconds. For production workflows, use webhooks instead of polling to receive instant notifications when processing completes.
What are the rate limits for Image to Prompt?
What are the rate limits for Image to Prompt?
Rate limits vary by subscription tier. See Rate Limits for current limits.
How much does Image to Prompt cost?
How much does Image to Prompt cost?
See the Pricing page for current rates and subscription options.
Best practices
- Image quality: Higher resolution images with clear subjects produce more detailed and accurate prompts
- URL accessibility: Ensure image URLs are publicly accessible without authentication
- Base64 encoding: Include the proper data URI prefix when using base64 (e.g.,
data:image/jpeg;base64,) - Production integration: Use webhooks instead of polling for scalable applications
- Prompt refinement: Use generated prompts as starting points and refine them for specific use cases
- Error handling: Implement retry logic with exponential backoff for 503 errors
Related APIs
- Improve Prompt: Enhance and refine text prompts for better AI generation results
- Flux Kontext Pro: Generate images from text prompts with advanced context understanding
- Seedream 4: High-quality text-to-image generation with detailed prompt support
- Mystic: Freepik’s flagship image generation model with style customization