Z-Image Turbo Seamless Tiling API Reference

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 alibaba/z-image/turbo/tiling/lora.

Default: alibaba/z-image/turbo/tiling/lora

stringpromptrequired

The prompt to generate an image from.

stringimagerequired

URL of an image for image-to-image or inpainting. When provided without mask_image_url, performs image-to-image; with mask_image_url, performs inpainting.

Optional<string>mask

URL of a mask image for inpainting. White regions are regenerated, black regions are preserved. Requires image_url.

Optional<number>strength

How much to transform the input image. Only used when image_url is provided.

Maximum: 1

Default: 0.6

Optional<string>output_format

The format of the generated image.

Allowed values: jpeg, png

Default: png

Optional<string>tiling_mode

Tiling direction: 'both' (omnidirectional), 'horizontal' (left-right only), 'vertical' (top-bottom only).

Allowed values: both, horizontal, vertical

Default: both

Optional<array<object>>loras

List of LoRA weights to apply (maximum 3).

Default:

Optional<integer>tile_stride

Tile stride in latent space. Must be even (divisible by 2). (32 = 256px, 64 = 512px, 128 = 1024px).

Range: 16 to 128

Default: 64

Optional<integer>tile_size

Tile size in latent space. Must be even (divisible by 2) for patchification. (64 = 512px, 128 = 1024px, 256 = 2048px).

Range: 32 to 256

Default: 128

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

The same seed and the same prompt given to the same version of the model will output the same image every time.

Response Schema

The submit endpoint returns a run response. If its status is pending or running, poll GET /v1/run/{id} with the returned opaque ID until it reaches a terminal state.

stringidrequired

Opaque SandBase run identifier. Use it exactly as returned; no prefix is guaranteed.

stringstatusrequired

Current public run status.

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

Optional<string>model

Public SandBase model name used for this run.

Optional<array<object>>outputs

Present only for completed runs. Each object is capability-specific; inspect the selected model schema for its fields.

Optional<object>error

Present only for failed or timeout runs. Contains a public error type and sanitized message.

Optional<string>error.type

Stable public error category.

Optional<string>error.message

Sanitized error message safe to show to clients.

Optional<object>usage

Usage details when available.

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": "alibaba/z-image/turbo/tiling/lora", "prompt": "A hyper-realistic, high-resolution 4k texture of an ancient weathered brick wall heavily overgrown with lush green moss and soft lichens. The bricks are aged, featuring deep earthy tones, natural cracks, and gritty textures. Vibrant emerald moss fills the mortar lines and spills over the rough surfaces of the stones. Uniform, flat cinematic lighting ensures no harsh shadows, highlighting the intricate organic details and damp stone surfaces. The composition is a perfectly balanced overhead view, showcasing a rich tapestry of botanical growth and masonry craftsmanship with professional clarity and hyper-detailed grit.", "image": "https://static.sandbase.ai/examples/input.png", "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/f3d2e8a1-7c4b-4a12-9d2e-123456789abc \ -H "Authorization: Bearer $SANDBASE_API_KEY"