Flux 2 Lora Gallery

POST/v1/run

Flux 2 Lora Gallery Realism is BFL's advanced text-to-image AI model. Create photorealistic images, illustrations, and concept art from natural language descriptions with exceptional detail and prompt adherence.

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-lora-gallery/realism.

Default: bfl/flux-2-lora-gallery/realism

stringpromptrequired

The prompt to generate a realistic image with natural lighting and authentic details.

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<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<integer>seed

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

Optional<number>lora_scale

The strength of the realism effect.

Range: 0 to 2

Default: 1

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: text-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-lora-gallery/realism",
  "prompt": "A portrait of a woman with natural lighting",
  "aspect_ratio": "21:9",
  "output_format": "png"
}'

# 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-lora-gallery/realism",
  "status": "running",
  "outputs": []
}