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POST

Supported Models

Authorizations

string
required
All endpoints require Bearer Token authenticationGet API Key:Visit API Key Management to get your API KeyAdd to request header:

Body

string
required
Model name
  • z-image-turbo - Lightweight and fast image generation, supports Chinese and English
string
required
Text description for image generation, up to 800 characters
string
default:"1:1"
Image aspect ratioSupported aspect ratios:
  • 1:1 - Square (default)
  • 4:3 - Landscape 4:3
  • 3:4 - Portrait 3:4
  • 16:9 - Landscape widescreen
  • 9:16 - Portrait vertical
  • 3:2 - Landscape 3:2
  • 2:3 - Portrait 2:3
string
default:"1K"
Resolution tier
  • 1K - Standard resolution (default)
  • 2K - High definition resolution
boolean
default:"false"
Smart prompt rewritingWhen enabled, AI will automatically optimize the prompt for better results, and costs will increase.
  • false - Disabled (default)
  • true - Enabled

Resolution Reference Table

Output size is controlled by the combination of size (ratio) + resolution (resolution tier).

Usage Examples

Basic Text-to-Image (minimal request)
Specify ratio and resolution
Enable smart prompt rewriting

Response

integer
Response status code
array
Response data array

Notes

  1. Asynchronous Processing: After submission, a task_id is returned. Poll /v1/tasks/{task_id} to get results
  2. Image Storage: Generated images are mirrored to platform CDN and are valid long-term
  3. Billing Rules: Billed per successfully generated image, no charge for failures
  4. Fixed Count: Z-Image-Turbo generates exactly 1 image per request, n parameter is not supported