# Hitem3D Hi3D Multicolor API

> Hi3D Multicolor by Hitem3D converts a textured GLB model into a model with a limited set of flat colors, for multi-color 3D printing.

Source: https://www.sandbase.ai/models/hitem3d/hi3d/multicolor
API reference: https://www.sandbase.ai/models/hitem3d/hi3d/multicolor#api

## Facts

- Provider: Hitem3D
- Type: Image model
- Model ID: `hitem3d/hi3d/multicolor`
- Price: $0.40 per run
- Capabilities: 3d to 3d
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

- Unified Run API: `POST https://api.sandbase.ai/v1/run`

```bash
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "hitem3d/hi3d/multicolor",
  "model_url": "https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/master/2.0/DamagedHelmet/glTF-Binary/DamagedHelmet.glb",
  "export_format": "glb",
  "number_of_colors": 4
}'
```

The response returns a run id; poll `GET https://api.sandbase.ai/v1/run/{id}` until the status is `completed` or `failed`.

## FAQ

### How do I call Hitem3D Hi3D Multicolor through SandBase?

Create a SandBase API key, then send requests with the model ID "hitem3d/hi3d/multicolor" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.

### Do I need a separate Hitem3D account?

No. One SandBase API key and balance gives you access to Hitem3D Hi3D Multicolor and the other models in the catalog; you do not need to sign up with Hitem3D separately.

## README

### Hitem3D Hi3D Multicolor
Hi3D Multicolor by Hitem3D converts a textured GLB model into a model with a limited set of flat colors, for multi-color 3D printing.
#### Fields
| Field | Type | Default | Notes |
|---|---|---|---|
| `model_url` | string, required | — | URL of the input textured model. GLB only, up to 200MB. |
| `number_of_colors` | integer 0–8 | `4` | Number of colors (1-8), or 0 for the maximum. |
| `export_format` | `glb` / `obj` / `fbx` | `glb` | File format of the generated model. |
#### Output
- `url`: Main 3D file (GLB unless another export format is selected).
- `thumbnail`: Preview image rendered by the provider.
#### Billing
$0.40 per request.
Failed runs are not charged.
#### Also on SandBase
Other Hitem3D 3D endpoints: `hitem3d/hi3d/image-to-3d`, `hitem3d/hi3d/multi-view-to-3d`, `hitem3d/hi3d/split`, `hitem3d/hi3d/texture`.