> ## Documentation Index > Fetch the complete documentation index at: https://docs.evolink.ai/llms.txt > Use this file to discover all available pages before exploring further. # Midjourney V7 Upload Paint > - Upload images for advanced canvas editing, supporting mask area specification and position adjustment - Similar to mj-v7-edit, but does not depend on existing tasks, directly pass in images - Async processing mode, use the returned task ID to [query status](/en/api-manual/task-management/get-task-detail) Midjourney has a built-in content moderation system. If some generated images are filtered by moderation, credits consumed for that request will not be refunded. Please ensure your prompts comply with content guidelines. ## OpenAPI ````yaml /en/api-manual/image-series/midjourney/mj-v7-upload-paint.json POST /v1/images/generations openapi: 3.1.0 info: title: mj-v7-upload-paint Interface description: Midjourney V7 Advanced Edit Interface license: name: MIT version: 1.0.0 servers: - url: https://api.evolink.ai description: Production security: - bearerAuth: [] tags: - name: Image Generation description: AI image generation endpoints paths: /v1/images/generations: post: tags: - Image Generation summary: mj-v7-upload-paint Interface description: >- - Upload images for advanced canvas editing, supporting mask area specification and position adjustment - Similar to mj-v7-edit, but does not depend on existing tasks, directly pass in images - Async processing mode, use the returned task ID to [query status](/en/api-manual/task-management/get-task-detail) operationId: createImageGeneration requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/ImageGenerationRequest' examples: upload_paint_example: summary: Advanced Edit value: model: mj-v7-upload-paint prompt: Beautiful mountain scenery background image_urls: - https://example.com/photo.jpg model_params: mask: areas: - width: 100 height: 100 points: - 10 - 10 - 10 - 100 - 100 - 100 - 100 - 10 canvas: width: 1024 height: 1024 img_pos: width: 512 height: 512 x: 256 'y': 256 speed: fast responses: '200': description: Image generation task created successfully content: application/json: schema: $ref: '#/components/schemas/ImageGenerationResponse' '400': description: Invalid request parameters content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: invalid_request message: Invalid request parameters type: invalid_request_error '401': description: Unauthorized, invalid or expired token content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: unauthorized message: Invalid or expired token type: authentication_error '402': description: Insufficient quota, please top up content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: insufficient_quota message: Insufficient quota. Please top up your account. type: insufficient_quota '403': description: Access denied content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: model_access_denied message: 'Token does not have access to model: mj-v7-upload-paint' type: invalid_request_error '429': description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: rate_limit_exceeded message: Too many requests, please try again later type: rate_limit_error '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: internal_error message: Internal server error type: api_error components: schemas: ImageGenerationRequest: type: object required: - model - prompt - image_urls - model_params properties: model: type: string description: Model name enum: - mj-v7-upload-paint default: mj-v7-upload-paint example: mj-v7-upload-paint prompt: type: string description: Edit prompt example: Beautiful mountain scenery background image_urls: type: array description: Input image URL (first one is used) items: type: string format: uri maxItems: 1 example: - https://example.com/photo.jpg model_params: type: object description: Advanced edit parameters required: - mask - canvas - img_pos properties: mask: type: object description: >- Inpaint region (same format as inpaint: polygon coordinates or mask image) **Method 1 - Polygon coordinates:** ```json { "areas": [{ "width": 100, "height": 100, "points": [10, 10, 10, 100, 100, 100, 100, 10] }] } ``` **Method 2 - Mask image (white = inpaint, black = preserve):** ```json { "url": "https://example.com/mask.png" } ``` properties: areas: type: array description: Polygon region list items: type: object properties: width: type: integer description: Region width height: type: integer description: Region height points: type: array description: Polygon vertex coordinates (x1,y1,x2,y2,...) items: type: integer url: type: string format: uri description: Mask image URL (white = inpaint, black = preserve) canvas: type: object description: Canvas size required: - width - height properties: width: type: integer description: Canvas width example: 1024 height: type: integer description: Canvas height example: 1024 img_pos: type: object description: Image position and size required: - width - height - x - 'y' properties: width: type: integer description: Render width example: 512 height: type: integer description: Render height example: 512 x: type: integer description: Top-left horizontal offset example: 256 'y': type: integer description: Top-left vertical offset example: 256 speed: type: string description: |- Speed mode **Pricing note:** turbo mode costs more enum: - fast - turbo default: fast example: fast callback_url: type: string description: >- HTTPS callback URL for task completion **Callback timing:** - Triggered when task is completed, failed, or cancelled - Sent after billing confirmation **Security restrictions:** - HTTPS protocol only - Callbacks to private IP addresses are prohibited (127.0.0.1, 10.x.x.x, 172.16-31.x.x, 192.168.x.x, etc.) - URL length must not exceed `2048` characters **Callback mechanism:** - Timeout: `10` seconds - Up to `3` retries after failure (retries at `1`s/`2`s/`4`s after failure) - Callback response body format matches the task query endpoint - A 2xx status code is considered successful; other status codes trigger retries format: uri example: https://your-domain.com/webhooks/image-task-completed ImageGenerationResponse: type: object properties: created: type: integer description: Task creation timestamp example: 1757165031 id: type: string description: Task ID example: task-unified-1757165031-mjv7 model: type: string description: Actual model name used object: type: string enum: - image.generation.task description: Task object type progress: type: integer description: Task progress percentage (0-100) minimum: 0 maximum: 100 example: 0 status: type: string description: Task status enum: - pending - processing - completed - failed example: pending task_info: $ref: '#/components/schemas/TaskInfo' type: type: string enum: - text - image - audio - video example: image usage: $ref: '#/components/schemas/Usage' ErrorResponse: type: object properties: error: type: object properties: code: type: string description: Error code identifier message: type: string description: Error message type: type: string description: Error type TaskInfo: type: object properties: can_cancel: type: boolean description: Whether task can be cancelled example: true estimated_time: type: integer description: Estimated completion time (seconds) minimum: 0 example: 45 Usage: type: object properties: billing_rule: type: string enum: - per_call - per_token - per_second example: per_call credits_reserved: type: number description: Estimated credits consumed minimum: 0 example: 1.8 user_group: type: string example: default securitySchemes: bearerAuth: type: http scheme: bearer description: >- ## All endpoints require Bearer Token authentication ## **Get API Key:** Visit [API Key Management Page](https://evolink.ai/dashboard/keys) to get your API Key **Add to request header:** ``` Authorization: Bearer YOUR_API_KEY ``` ````