API & PIPELINE SPECIFICATION v4.2

Developer API & Industrial 3D Pipeline Integration.

Embed automated scene synthesis into game engines, virtual production stages, and web applications with our REST API, official SDKs, and open 3D format specs.

Quickstart Guide3D Formats & LODs

REST API // ENDPOINTS

Generate Scene Pack (POST /api/v1/packs)

Auth: Bearer <OCCASION_API_KEY>
request.sh (cURL)
HTTP/2 · TLS 1.3

# 1. 提交场景构想并指定灯光色温与管线格式

curl -X POST https://api.occasionpack.ai/v1/packs \

-H "Authorization: Bearer op_live_9f82kd0..." \

-H "Content-Type: application/json" \

-d '{

"prompt": "Alpine luxury cabin, fireplace embers, 4K PBR",

"lighting_rig": { "kelvin": 3200, "fog": 0.45 },

"export_formats": ["usdz", "gltf", "exr_pbr"],

"lod_levels": [0, 1, 2],

"webhook_url": "https://your-studio.com/hooks/render-ready"

}'

HTTP 202 AcceptedBaking Queue #03
task_id: "task_89f02kd19a"
status: "baking_materials"
estimated_completion: 180 seconds
assets_manifest: 64 spatial entities

Key Request Parameters:

  • prompt: Text brief describing the scene occasion
  • lighting_rig: Color temperature (Kelvin) & Fog density
  • export_formats: Target delivery pipeline formats
💡 Enterprise tiers include dedicated GPU instances with zero-queue instantaneous dispatch.

PIPELINE SPECIFICATIONS

Industrial 3D Export Specifications

USDz / USDApple Vision Pro / Maya

Native Universal Scene Description ready for RealityKit, Vision Pro, and Maya.

Embedded PBR
LOD0-LOD2
Camera Rig Metadata
glTF 2.0 / GLBWeb 3D / Three.js / Babylon

Draco-compressed web standard format with embedded Disney PBR shaders.

Draco Compression
Standard KHR Extensions
Fast Web Load
Unreal 5.4 / FBXUnreal Engine / Unity 6

Optimized for Unreal 5.4 Nanite geometry and Lumen dynamic illumination.

Nanite Topology
16-bit Float EXR
Sub-D Quad Mesh