> ## Documentation Index > Fetch the complete documentation index at: https://docs.modelslab.com/llms.txt > Use this file to discover all available pages before exploring further. # Flux kontext Image to Image > Create high quality image from text using FLUX Kontext model. Text to image endpoint result ## Request Make a `POST` request to below endpoint and pass the required parameters as a request body. ```curl curl theme={null} --request POST 'https://modelslab.com/api/v6/images/img2img' \ ``` ## Body ```json json theme={null} { "key": "your_api_key", "init_image": "https://assets.modelslab.ai/generations/197fdb87-3d94-4a3d-bf2b-6c1b2a73a623", "init_image_2": "https://pub-3626123a908346a7a8be8d9295f44e26.r2.dev/generations/output.jpg", "prompt": "a girl from image one holding the can from image two", "negative_prompt": "(worst quality:2), (low quality:2), (normal quality:2), (jpeg artifacts), (blurry), (duplicate), (morbid), (mutilated), (out of frame), (extra limbs), (bad anatomy), (disfigured), (deformed), (cross-eye), (glitch), (oversaturated), (overexposed), (underexposed), (bad proportions), (bad hands), (bad feet), (cloned face), (long neck), (missing arms), (missing legs), (extra fingers), (fused fingers), (poorly drawn hands), (poorly drawn face), (mutation), (deformed eyes), watermark, text, logo, signature, grainy, tiling, censored, nsfw, ugly, blurry eyes, noisy image, bad lighting, unnatural skin, asymmetry", "model_id": "flux-kontext-dev", "num_inference_steps": "28", "safety_checker": true, "strength": "0.5", "guidance": "2.5", "enhance_prompt": null } ``` ## OpenAPI ````yaml POST /images/img2img openapi: 3.1.0 info: title: ModelsLab Image Editing API description: >- Image editing endpoints for ModelsLab API including background removal, super resolution, face generation, fashion try-on, and various image manipulation tools license: name: MIT version: 6.0.0 servers: - url: https://modelslab.com/api/v6 description: Image Editing API v6 server security: [] paths: /images/img2img: post: summary: Generate image from text and reference images (Flux Kontext Model) description: >- The Image to Image API is used to create high-quality images from text prompts combined with reference images using the Flux Kontext model. This endpoint allows you to blend elements from multiple input images guided by text descriptions. requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/FluxKontextImageToImageRequest' responses: '200': description: Flux Kontext Image to Image generation response content: application/json: schema: oneOf: - $ref: >- #/components/schemas/FluxKontextImageGenerationSuccessResponse - $ref: >- #/components/schemas/FluxKontextImageGenerationProcessingResponse - $ref: >- #/components/schemas/FluxKontextImageGenerationErrorResponse '400': $ref: '#/components/responses/StandardErrorResponse' '401': $ref: '#/components/responses/StandardErrorResponse' '500': $ref: '#/components/responses/StandardErrorResponse' components: schemas: FluxKontextImageToImageRequest: type: object required: - key - model_id - prompt - init_image properties: key: type: string description: Your API Key used for request authorization. model_id: type: string description: >- The ID of the model. Must be 'flux-kontext-dev' for Flux Kontext model. default: flux-kontext-dev prompt: type: string description: >- A text description of the things you want in the generated image, referencing elements from the input images. negative_prompt: type: string description: >- Items you don't want in the image. Helps exclude unwanted elements, artifacts, or styles from the generation. init_image: type: string format: uri description: >- URL of the primary reference image to use as a base for the generation. init_image_2: type: string format: uri description: >- URL of the secondary reference image to incorporate elements from. Optional for single-image workflows. safety_checker: type: boolean description: Whether to run the safety checker num_inference_steps: oneOf: - type: integer minimum: 1 maximum: 50 - type: string pattern: ^[1-9][0-9]*$ default: '28' description: >- The number of denoising steps. Values typically range from 1 to 50. Can be provided as integer or string. strength: oneOf: - type: number minimum: 0 maximum: 1 - type: string pattern: ^0(\.[0-9]+)?$|^1(\.0+)?$ default: '0.5' description: >- Controls how much the output image should resemble the input image. 0.0 means identical to input, 1.0 means completely different. Can be provided as number or string. guidance: oneOf: - type: number minimum: 0 maximum: 20 - type: string pattern: ^([0-9]*[.])?[0-9]+$ default: '2.5' description: >- Scale for classifier-free guidance. Higher values make the model follow the prompt more closely. Can be provided as number or string. enhance_prompt: type: boolean nullable: true description: >- Enhance prompts for better results. Set to null to use model defaults. width: type: integer default: 512 maximum: 1024 description: The width of the output image in pixels. Maximum value is 1024. height: type: integer default: 512 maximum: 1024 description: The height of the output image in pixels. Maximum value is 1024. samples: type: integer default: 1 maximum: 4 description: The number of images to be returned in response. Maximum value is 4. seed: oneOf: - type: integer - type: 'null' description: >- Used to reproduce results. The same seed will generate the same image again. Pass null for a random number. base64: type: boolean default: false description: Get response as a base64 string. webhook: type: string format: uri description: URL to receive a POST API call once image generation is complete. track_id: type: string description: >- This ID is returned in the response to the webhook API call and is used to identify the webhook request. temp: type: boolean default: false description: Create a temporary image link valid for 24 hours. FluxKontextImageGenerationSuccessResponse: type: object properties: status: type: string enum: - success description: Status of the image generation. generationTime: type: number description: Time taken to generate the image in seconds. id: type: integer description: Unique identifier for the image generation request. output: type: array items: type: string format: uri description: Array of generated image URLs. proxy_links: type: array items: type: string format: uri description: Array of proxy image URLs. meta: type: object description: Metadata about the image generation including all parameters used. additionalProperties: true nsfw_content_detected: type: boolean description: Indicates if NSFW content was detected in the generated image. FluxKontextImageGenerationProcessingResponse: type: object properties: status: type: string enum: - processing description: Status of the image generation. tip: type: string description: Information about faster processing options. eta: type: number description: Estimated time for completion in seconds. message: type: string description: Processing status message. fetch_result: type: string format: uri description: URL to fetch the result when processing. id: type: integer description: Unique identifier for the image generation request. output: type: array items: type: string description: Empty array during processing. meta: type: object description: Metadata about the image generation including all parameters used. additionalProperties: true future_links: type: array items: type: string format: uri description: Array of future image URLs for queued requests. proxy_links: type: array items: type: string format: uri description: Array of proxy image URLs. FluxKontextImageGenerationErrorResponse: type: object required: - status - message properties: status: type: string enum: - error message: type: string description: Error message description. responses: StandardErrorResponse: description: Standard error response content: application/json: schema: type: object properties: status: type: string enum: - error message: type: string description: Error message ````