Integrations & Plugins

Premium PBR Textures for Real-Time Engines

Official Engine Plugins

Streamline your workflow with native integrations built for professional 3D pipelines. Each plugin includes automatic material generation, seamless asset streaming, and zero-config setup.

Unity Editor

GrainStack Unity Bridge v2.4.1

Native support for URP, HDRP, and Built-in render pipelines. Features drag-and-drop material instantiation, automatic LOD generation, and seamless 4K/8K texture streaming via Addressables. Optimized for mobile and standalone builds.

Download Package View Documentation

Unreal Engine 5

GS Unreal Plugin v5.3

Fully compatible with Nanite and Lumen. Includes a library of 240+ node-based material functions, virtual texture support, and automatic roughness/metallic mapping. Compiles out-of-the-box with UE 5.3.1 through 5.4.2.

Install Plugin Read Release Notes

Blender

GrainStack Blender Add-on v3.1

Procedural material generator for Cycles and Eevee Next. Features seamless tiling, UV projection baking, and direct library synchronization. Supports Blender 4.0+ with native asset browser integration and Python API hooks.

Install Add-on API Reference

Substance Painter

GS Painter Importer v1.8

Automates smart material creation from GrainStack PBR stacks. Includes auto-smoothing group generation, batch glTF/USDZ export, and real-time preview rendering. Compatible with Adobe Substance Painter 11.2+ and standalone workflows.

Get Importer Usage Guide

API & Developer Access

Integrate GrainStack directly into your asset management systems, custom tooling, or cloud pipelines. Our REST and GraphQL endpoints deliver sub-200ms response times with comprehensive metadata filtering.

Access over 12,000 licensed PBR stacks via our versioned API (v3.2). Features include OAuth 2.0 authentication, IP whitelisting, and granular permission scopes for team collaboration. Rate limits scale from 500 requests/hour on the Starter tier to unlimited throughput on Enterprise contracts. All responses include JSON metadata, direct CDN download links, and webhook notifications for new asset drops.

Official SDKs are available for Python, C#, and Node.js. Each package includes automatic retry logic, pagination helpers, and type-safe schema definitions. Enterprise clients receive dedicated load balancers, SSO integration, and 99.99% uptime SLAs.

Generate API Key Explore Endpoints