Qwen Image 2.0
Qwen Image 2.0 Image Generation
- Asynchronous processing mode, returns task ID for subsequent queries
- Supports text-to-image, image-to-image and other generation modes
- Supports 1K/2K resolution tiers, generate up to 6 images
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
qwen-image-2.0- Standard version, balanced quality and performanceqwen-image-2.0-pro- Pro version, stronger text rendering, more refined realistic textures
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 4:33:4- Portrait 3:416:9- Landscape widescreen9:16- Portrait vertical3:2- Landscape 3:22:3- Portrait 2:3
string
default:"1K"
Resolution tier
1K- Standard resolution (default)2K- High definition resolution
integer
default:"1"
Number of images to generateRange: 1-6
string
Negative prompt (content you don’t want to appear), up to 500 characters
array
Reference image URL array (image-to-image mode)Limitations:
- Must be publicly accessible URLs
- Base64 format not supported
Resolution Reference Table
Output size is controlled by the combination ofsize (ratio) + resolution (resolution tier).
- Only
size→ defaults to 1K tier:{"size": "16:9"}→ 1280×720 size+resolution→ specified tier:{"size": "16:9", "resolution": "2K"}→ 2048×1152
Usage Examples
Text-to-Image (minimal request)Response
integer
Response status code
array
Response data array
Notes
- Asynchronous Processing: After submission, a
task_idis returned. Poll/v1/tasks/{task_id}to get results - Image Storage: Generated images are mirrored to platform CDN and are valid long-term
- Billing Rules: Billed per successfully generated image, no charge for failures
- Image URL Requirements: Input images must be publicly accessible URLs, base64 not supported