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POST
/
v3
/
gemini-2.5-flash-image-edit
Nano Banana Image Edit
curl --request POST \
  --url https://api.myrouter.ai/v3/gemini-2.5-flash-image-edit \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "prompt": "<string>",
  "image_urls": [
    {}
  ],
  "aspect_ratio": "<string>",
  "image_base64s": [
    {}
  ]
}
'
{
  "image_urls": [
    {}
  ]
}
Edit images using the Gemini 2.5 Flash model with text prompts. You can provide images via URL or base64 encoded strings.

​
Request Headers

​
Content-Type
string
required
Enum: application/json
​
Authorization
string
required
Bearer authentication format: Bearer {{API Key}}.

​
Request Body

​
prompt
string
required
Text prompt describing the desired image editing effect
​
image_urls
array
List of input image URLs for editing
​
aspect_ratio
string
Aspect ratio of the generated image. Available values: 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9Possible values: 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
​
image_base64s
array
List of base64 encoded images for editing

​
Response

​
image_urls
array
List of output image URLs after editing