API reference

/fal-ai/flux-lora/image-to-image

Official docs: https://fal.ai/models/fal-ai/flux-lora/image-to-image

POST/fal-ai/flux-lora/image-to-image

Body Parametersapplication/json

enable_safety_checker boolean

Enable safety checker. Default: true

guidance_scale number

Range: 0–35

image_url* string

Image URL; accepted: jpg, jpeg, png, webp, gif, avif

num_images integer

Number of images, range 1–4

num_inference_steps integer

Range: 1–50

output_format string

Output image format: jpeg, png

prompt* string

Prompt

strength number

strength, range 0.01–1

Responses

200 application/json

response-200 object

400 Bad request or validation failed application/json

response-400 object

properties

error* object

401 Missing or invalid API Key application/json

response-401 object

Request Body Example

2"enable_safety_checker": true,

3"guidance_scale": 3.5,

4"image_url": "https://storage.googleapis.com/falserverless/example_inputs/dog.png",

5"num_images": 1,

6"num_inference_steps": 28,

7"output_format": "jpeg",

8"prompt": "A photo of a lion sitting on a stone bench",

9"strength": 0.85

10}

Code Sample cURL

1curl -X POST "https://api.digislash.com/fal-ai/flux-lora/image-to-image" \

2-H "Authorization: Bearer <API Key>" \

3-H "Content-Type: application/json" \

4-d '{

5"enable_safety_checker": true,

6"guidance_scale": 3.5,

7"image_url": "https://storage.googleapis.com/falserverless/example_inputs/dog.png",

8"num_images": 1,

9"num_inference_steps": 28,

10"output_format": "jpeg",

11"prompt": "A photo of a lion sitting on a stone bench",

12"strength": 0.85

13}'

Response

1▼{

2"cancel_url": "https://queue.fal.run/fal-ai/flux-lora/requests/9b54828d-3c2b-4e0e-ac8c-ac234504015e/cancel",

3"metrics": {},

4"queue_position": 0,

5"request_id": "9b54828d-3c2b-4e0e-ac8c-ac234504015e",

6"response_url": "https://queue.fal.run/fal-ai/flux-lora/requests/9b54828d-3c2b-4e0e-ac8c-ac234504015e",

7"status": "IN_QUEUE",

8"status_url": "https://queue.fal.run/fal-ai/flux-lora/requests/9b54828d-3c2b-4e0e-ac8c-ac234504015e/status"