Alibaba · Image API

Qwen Image 2.0

qwen-image-2.0

Flexible generation and editing for product visuals, marketing assets, and layout work.

POST/v1/images/generations

Output count1–6

Reference imagesUp to 1

Resolution tiers1K · 2K

Generation

Generate with Qwen Image 2.0

Use ImgRouter's unified request contract and this model ID. The example uses recommended defaults from the route's current parameter guide.

cURL

curl https://api.imgrouter.com/v1/images/generations \
  -H "Authorization: Bearer $IMGROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: qwen-image-2.0-generate-001" \
  -d '{
  "model": "qwen-image-2.0",
  "prompt": "Editorial product photograph, precise materials, soft studio light",
  "size": "1:1",
  "resolution": "1K",
  "n": 1
}'

Request body

modelstring · requiredUse qwen-image-2.0.

promptstring · requiredGeneration or editing instruction between 1 and 5,000 characters.

sizestringSupported values: 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3.

resolutionstringSupported values: 1K, 2K.

ninteger · 1–6Number of output images. Defaults to 1 and cannot exceed 6.

reference_imagesstring[] · max 1Public HTTPS source images. Send this field to the edit endpoint.

Controls

Supported options

Aspect ratio or size

1:14:33:416:99:163:22:3

Resolution

1K2K

Output format

url

Route notes

Supports one or more public reference URLs depending on the active route; start with one reference for portability.

negative_prompt supports up to 500 characters.

Generate between one and six outputs.

Reference workflow

Edit with reference images

Send public HTTPS source images with the same core controls. This route accepts up to 1 reference image.

POST/v1/images/edits

cURL

curl https://api.imgrouter.com/v1/images/edits \
  -H "Authorization: Bearer $IMGROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: qwen-image-2.0-edit-001" \
  -d '{
  "model": "qwen-image-2.0",
  "prompt": "Preserve the subject and composition. Change the scene to soft blue hour.",
  "size": "1:1",
  "resolution": "1K",
  "n": 1,
  "reference_images": [
    "https://example.com/reference.jpg"
  ]
}'

Describe both the intended change and the details that must remain consistent. Stable source URLs produce the most reliable edit requests.

Response

Read the completed output

Successful requests return completed image URLs and a request ID. Store the assets you need permanently; routed output URLs may expire.

200 · application/json

{
  "id": "req_01K4…",
  "object": "image.generation",
  "created": 1787424152,
  "data": [
    { "url": "https://static.imgrouter.com/images/req_01K4.webp" }
  ],
  "usage": { "images": 1 }
}

Use GET /v1/requests/{request_id} for reconciliation and GET /v1/balance for the authenticated key's current Credit position.