Hunyuan3d-2.1 Serverless API
Transform 2D images into photorealistic, high-fidelity 3D assets effortlessly.
POST /v2/hunyuan3d-2.1 · 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 "hunyuan3d-2.1",
9 seed=42,
10 image="https://segmind-resources.s3.amazonaws.com/output/f9e83c41-45aa-4ac0-b126-50e17b2ff935-kangaroo.jpg",
11 steps=30,
12 num_chunks=8000,
13 max_facenum=20000,
14 guidance_scale=7.5,
15 generate_texture=True,
16 octree_resolution=256,
17 remove_background=True,
18)
19print(result["status"]) # COMPLETED
20print(result.get("output")) # model output (e.g. media URL)
21print(result["metrics"]["inference_time"]) # server compute seconds
22
23# --- Or submit + poll manually (track request_id, control the cadence) ---
24from segmind import SegmindClient, InferenceFailed, InferenceTimeout
25
26client = SegmindClient() # reads SEGMIND_API_KEY
27payload = {
28 "seed": 42,
29 "image": "https://segmind-resources.s3.amazonaws.com/output/f9e83c41-45aa-4ac0-b126-50e17b2ff935-kangaroo.jpg",
30 "steps": 30,
31 "num_chunks": 8000,
32 "max_facenum": 20000,
33 "guidance_scale": 7.5,
34 "generate_texture": True,
35 "octree_resolution": 256,
36 "remove_background": True,
37}
38job = client.submit_async("hunyuan3d-2.1", **payload)
39print(job.request_id) # available immediately
40try:
41 result = job.wait(timeout=600, interval=1.0)
42except InferenceTimeout as e:
43 print("still running:", e.request_id)
44except InferenceFailed as e:
45 print("failed:", e.detail) 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 "hunyuan3d-2.1",
9 seed=42,
10 image="https://segmind-resources.s3.amazonaws.com/output/f9e83c41-45aa-4ac0-b126-50e17b2ff935-kangaroo.jpg",
11 steps=30,
12 num_chunks=8000,
13 max_facenum=20000,
14 guidance_scale=7.5,
15 generate_texture=True,
16 octree_resolution=256,
17 remove_background=True,
18)
19print(result["status"]) # COMPLETED
20print(result.get("output")) # model output (e.g. media URL)
21print(result["metrics"]["inference_time"]) # server compute seconds
22
23# --- Or submit + poll manually (track request_id, control the cadence) ---
24from segmind import SegmindClient, InferenceFailed, InferenceTimeout
25
26client = SegmindClient() # reads SEGMIND_API_KEY
27payload = {
28 "seed": 42,
29 "image": "https://segmind-resources.s3.amazonaws.com/output/f9e83c41-45aa-4ac0-b126-50e17b2ff935-kangaroo.jpg",
30 "steps": 30,
31 "num_chunks": 8000,
32 "max_facenum": 20000,
33 "guidance_scale": 7.5,
34 "generate_texture": True,
35 "octree_resolution": 256,
36 "remove_background": True,
37}
38job = client.submit_async("hunyuan3d-2.1", **payload)
39print(job.request_id) # available immediately
40try:
41 result = job.wait(timeout=600, interval=1.0)
42except InferenceTimeout as e:
43 print("still running:", e.request_id)
44except InferenceFailed as e:
45 print("failed:", e.detail)API Endpoint
https://api.segmind.com/v1/hunyuan3d-2.1Parameters
generate_textureoptionalbooleanEnables texture generation. Set true for detailed texture.
trueguidance_scaleoptionalnumberAdjusts guidance scale. 7.5 for balanced generation, 10 for creative.
7.5Range: 1 - 20imageoptionalstring (uri)URL of the input image for 3D conversion. Use clear images for best results.
"https://segmind-resources.s3.amazonaws.com/output/f9e83c41-45aa-4ac0-b126-50e17b2ff935-kangaroo.jpg"max_facenumoptionalintegerControls max mesh faces. 15000 for smaller models, 20000 for larger.
20000Range: 10000 - 200000num_chunksoptionalintegerSets mesh generation chunk count. 5000 for speed, 8000 for detail.
8000Range: 1000 - 200000octree_resolutionoptionalintegerChoose octree resolution. 256 for balance, 512 for detailed meshes.
256196256384512remove_backgroundoptionalbooleanOption to remove image background. Enable for isolated objects.
trueseedoptionalintegerSets the random seed
42stepsoptionalintegerDefines inference steps. Lower for speed, higher for quality.
30Range: 5 - 50Response 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
POST /v2/hunyuan3d-2.1Submit — returns request_id, status_url, response_url
- 2
GET /v2/requests/{id}/statusPoll — until COMPLETED or FAILED
- 3
GET /v2/requests/{id}Result — final response body
Status states
- 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.
Bad Request
Invalid parameters or request format
Unauthorized
Missing or invalid API key
Forbidden
Insufficient permissions
Not Found
Model or endpoint not found
Insufficient Credits
Not enough credits to process request
Rate Limited
Too many requests
Server Error
Internal server error
Bad Gateway
Service temporarily unavailable
Timeout
Request timed out