Image

FLUX.1 Pro Erase

Credit-based pricing. Supports reference images, batch up to 4.

Try FLUX.1 Pro Erase →Compare models

Output

image

Max batch

Inputs

Reference image (required)

Batch up to 4 per request

LLM-ready

API & LLM schema

Exact request contract for this model. Agents can fetch it from /api/v1/models?id=fal-ai/flux-pro/v1/erase.

POST/api/v1/generate12 fields · 3 required

Field	Type	Requirement	Contract
`model_id`	constant	Required	ArtEmotion model identifier.
`extra`	object	Optional	Model-specific settings may also be nested here.
`max_credits`	number	Optional	Reject before submission if the estimated list price exceeds this cap. · Range: 1–…
`webhook_url`	string	Optional	Format: uri
`webhook_secret`	string	Optional	Optional model input.
`folder_id`	string	Optional	Optional model input.
`prompt`	string	Optional	Optional model input.
`dilate_pixels`	number	Optional	Number of pixels to expand the mask edges by. Higher values produce cleaner erase results around the masked region. · Default: 10 · Range: 0–100
`output_format`	string	Optional	The format of the generated image. · Allowed: jpeg, png · Default: jpeg
`mask_url`	string	Required	The URL of a black/white mask image where white (255) marks pixels to erase and black (0) marks pixels to keep. Needs to match the dimensions of the i
`num_images`	integer	Optional	Range: 1–4
`reference_image_url`	string	Required	Format: uri

Minimal request example

{
  "model_id": "fal-ai/flux-pro/v1/erase",
  "mask_url": "your_mask_url",
  "reference_image_url": "https://example.com/reference_image"
}

Raw JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Fflux-pro%2Fv1%2Ferase",
  "title": "FLUX.1 Pro Erase generation request",
  "description": "Request body accepted by POST /api/v1/generate for fal-ai/flux-pro/v1/erase.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "fal-ai/flux-pro/v1/erase",
      "description": "ArtEmotion model identifier."
    },
    "extra": {
      "type": "object",
      "additionalProperties": true,
      "description": "Model-specific settings may also be nested here."
    },
    "max_credits": {
      "type": "number",
      "minimum": 1,
      "description": "Reject before submission if the estimated list price exceeds this cap."
    },
    "webhook_url": {
      "type": "string",
      "format": "uri",
      "maxLength": 2048
    },
    "webhook_secret": {
      "type": "string",
      "maxLength": 512
    },
    "folder_id": {
      "type": "string"
    },
    "prompt": {
      "type": "string"
    },
    "dilate_pixels": {
      "title": "Dilate Pixels",
      "description": "Number of pixels to expand the mask edges by. Higher values produce cleaner erase results around the masked region.",
      "default": 10,
      "type": "number",
      "minimum": 0,
      "maximum": 100,
      "multipleOf": 1
    },
    "output_format": {
      "title": "Output Format",
      "description": "The format of the generated image.",
      "default": "jpeg",
      "type": "string",
      "enum": [
        "jpeg",
        "png"
      ]
    },
    "mask_url": {
      "title": "Mask Url",
      "description": "The URL of a black/white mask image where white (255) marks pixels to erase and black (0) marks pixels to keep. Needs to match the dimensions of the i",
      "type": "string"
    },
    "num_images": {
      "type": "integer",
      "minimum": 1,
      "maximum": 4
    },
    "reference_image_url": {
      "type": "string",
      "format": "uri"
    }
  },
  "required": [
    "model_id",
    "mask_url",
    "reference_image_url"
  ],
  "additionalProperties": false
}

Browse schemas for every ArtEmotion model →

FAQ

How much does FLUX.1 Pro Erase cost on ArtEmotion?

Credit-based pricing. You pay in ArtEmotion credits — every plan and top-up converts USD to credits at a fixed rate.

Do I get my credits back if FLUX.1 Pro Erase fails?

Yes — failed generations are never charged. The credits are released back to your balance automatically.

Can I call FLUX.1 Pro Erase from the API?

Yes. Use POST /api/v1/generate with model_id: "fal-ai/flux-pro/v1/erase". See the API reference for the full schema.

Where are my generations stored?

Every output is saved to your personal Library. You can export or delete everything any time from Privacy & deletion.

Ready to generate with FLUX.1 Pro Erase?

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No commitment. New accounts get 50 free credits on signup. See pricing.