image edits method change

Author: PatrickFarley

articles/ai-services/openai/how-to/dall-e.md

@@ -259,22 +259,23 @@ Replace the following values:
 - `<api_version>` is the version of the API you want to use. For example, `2025-04-01-preview`.
 
 **Required headers**:
-- `Content-Type`: `application/json`
+- `Content-Type`: `multipart/form-data`
 - `api-key`: `<your_API_key>`
 
 **Body**:
 
 The following is a sample request body. You specify a number of options, defined in later sections.
 
-```json
-{
-    "image": "<base64_encoded_image>",
-    "prompt": "Add a beach ball in the center.",
-    "model": "gpt-image-1",
-    "size": "1024x1024", 
-    "n": 1,
-    "quality": "high"
-}
+> [!IMPORTANT]
+> The Image Edit API takes multipart/form data, not JSON data. The example below shows sample form data that would be attached to a cURL request.
+
+```
+-F "image[][email protected]" \
+-F 'prompt=Add a beach ball in the center'
+-F "model=gpt-image-1" \
+-F "size=1024x1024" \
+-F "n=1" \
+-F "quality=high"
 ```
 
 ### Output
@@ -304,7 +305,7 @@ The *image* value indicates the image file you want to edit. It can be either a
 
 #### Mask
 
-The *mask* parameter is the same type as the main *image* input parameter. It defines the area of the image that you want the model to change, using fully transparent pixels (alpha of zero) in those areas. The mask can be a URL or base 64-encoded image data. It must be a PNG file and have the same dimensions as the image.
+The *mask* parameter is the same type as the main *image* input parameter. It defines the area of the image that you want the model to edit, using fully transparent pixels (alpha of zero) in those areas. The mask must be a base 64-encoded image. It must be a PNG file and have the same dimensions as the input image.
 
 
 #### [DALL-E 3](#tab/dalle-3)