Hunyuan3D-2 Serverless API

Hunyuan3D 2.0 enables the creation of high-quality 3D models with intricate details. Produce assets that are visually appealing and suitable for professional use.

~36.91s
POST /v2/hunyuan-3d-2 · submit + poll
 1# pip install "segmind>=1.1.0"
 2# export SEGMIND_API_KEY="YOUR_API_KEY"
 3import segmind
 4
 5# Async (v2): submit to the queue and block until COMPLETED.
 6# run() returns the final result dict (600s deadline, 1.0s poll by default).
 7result = segmind.run(
 8    "hunyuan-3d-2",
 9    image="https://i.ibb.co/8nbymYTS/hunyuan-image.png",
10    octree_resolution="256",
11    num_inference_steps=30,
12    guidance_scale=5.5,
13    seed=12467,
14    face_count=40000,
15    texture=False,
16    mesh=None,
17)
18print(result["status"])                      # COMPLETED
19print(result.get("output"))                  # model output (e.g. media URL)
20print(result["metrics"]["inference_time"])   # server compute seconds
21
22# --- Or submit + poll manually (track request_id, control the cadence) ---
23from segmind import SegmindClient, InferenceFailed, InferenceTimeout
24
25client = SegmindClient()                      # reads SEGMIND_API_KEY
26payload = {
27    "image": "https://i.ibb.co/8nbymYTS/hunyuan-image.png",
28    "octree_resolution": "256",
29    "num_inference_steps": 30,
30    "guidance_scale": 5.5,
31    "seed": 12467,
32    "face_count": 40000,
33    "texture": False,
34    "mesh": None,
35}
36job = client.submit_async("hunyuan-3d-2", **payload)
37print(job.request_id)                         # available immediately
38try:
39    result = job.wait(timeout=600, interval=1.0)
40except InferenceTimeout as e:
41    print("still running:", e.request_id)
42except InferenceFailed as e:
43    print("failed:", e.detail)

API Endpoint

POSThttps://api.segmind.com/v1/hunyuan-3d-2

Parameters

meshrequired
string (uri)

GLB file, only needed if modifying existing mesh

Default: null
face_countoptional
integer

Only used if texture=true, maximum number of faces in the mesh.

Default: 40000Range: 5000 - 100000
guidance_scaleoptional
number

Scale for classifier-free guidance

Default: 5.5Range: 1 - 15
imageoptional
string (uri)

Input Image.

num_inference_stepsoptional
integer

Number of inference steps.

Default: 30Range: 20 - 50
octree_resolutionoptional
integer

Higher resolution gives betterquality but slower processing.

Default: 256
Allowed values :
256384512
seedoptional
integer

Seed for image generation.

Default: -1Range: -1 - 999999999999999
textoptional
string

Prompt to render (optional when image is used)

Default: null
textureoptional
boolean

Whether to apply texture to the generated mesh.

Default: false

Response Type

Returns: 3D Model

Asynchronous requests (v2)

Use Async for video, long-running (>~60s), or high-concurrency workloads; Sync is simplest for fast image & LLM calls. Async submits a request and you poll it to completion.

  1. 1
    POST /v2/hunyuan-3d-2

    Submitreturns request_id, status_url, response_url

  2. 2
    GET /v2/requests/{id}/status

    Polluntil COMPLETED or FAILED

  3. 3
    GET /v2/requests/{id}

    Resultfinal response body

Status states

QUEUEDAccepted, waiting for a worker
PROCESSINGRunning on a worker
COMPLETEDDone — result body is ready
FAILEDErrored (incl. content/RAI blocks)
  • A FAILED request is served as HTTP 422 — the body still carries the error detail.
  • An unknown or expired request_id returns HTTP 404.
  • Results are retained for 1 hour, then expire.
  • Content / RAI blocks surface as FAILED, not a separate state.
  • Track completion by polling the status endpoint.

Common Error Codes

The API returns standard HTTP status codes. Detailed error messages are provided in the response body.

400

Bad Request

Invalid parameters or request format

401

Unauthorized

Missing or invalid API key

403

Forbidden

Insufficient permissions

404

Not Found

Model or endpoint not found

406

Insufficient Credits

Not enough credits to process request

429

Rate Limited

Too many requests

500

Server Error

Internal server error

502

Bad Gateway

Service temporarily unavailable

504

Timeout

Request timed out