Flux 2 Lora Gallery

POST/v1/run

Flux 2 Virtual Tryon by BFL - AI-powered image editing, style transfer, and transformation. Edit photos with natural language instructions, remove backgrounds, change styles, and enhance images effortlessly.

Request body

Submit an async generation request. The model field selects the model; other fields are model-specific input parameters.

stringmodelrequired

Model identifier. Set to bfl/flux-2/virtual-tryon.

Default: bfl/flux-2/virtual-tryon

stringpromptrequired

The prompt to generate a virtual try-on image.

Optional<array<string>>images

The URLs of the images for virtual try-on. Provide person image and clothing image.

Optional<number>guidance_scale

The CFG (Classifier Free Guidance) scale. Controls how closely the model follows the prompt.

Range: 0 to 20

Default: 2.5

Optional<integer>num_inference_steps

The number of inference steps to perform.

Range: 4 to 50

Default: 40

Optional<string>output_format

The format of the output image

Allowed values: png, jpeg

Default: png

Optional<number>lora_scale

The strength of the virtual try-on effect.

Range: 0 to 2

Default: 1

Optional<string>aspect_ratio

The aspect ratio of the generated image.

Allowed values: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16

Optional<integer>seed

Random seed for reproducibility. Same seed with same prompt will produce same result.

Response Schema

The submit endpoint returns an accepted generation task. Poll the result endpoint with the returned id for terminal outputs or errors.

Optional<string>error

Error message if the task failed. Empty on success.

stringidrequired

Unique identifier for the generation task.

Optional<string>model

Model ID used for the prediction.

Optional<array>outputs

Array of generated content. Empty when status is not completed.

stringstatusrequired

Status of the task: pending, running, completed, failed, or timeout.

Allowed values: pending, running, completed, failed, timeout

Model capabilities

array<string>capability_tagsrequired

Capabilities declared by the model registry.

Default: image-to-image

stringexecution_moderequired

Execution mode declared by the model registry.

Default: async

# 1. Submit a generation request
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "bfl/flux-2/virtual-tryon",
  "prompt": "A person wearing a stylish jacket, virtual try-on",
  "output_format": "png",
  "aspect_ratio": "21:9"
}'

# 2. If the response is still running, poll the returned id
curl https://api.sandbase.ai/v1/run/run_abc123 \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response202 Accepted

{
  "id": "run_abc123",
  "model": "bfl/flux-2/virtual-tryon",
  "status": "running",
  "outputs": []
}