# OMNI Registry — Open Multi-Taxon Scale Engine > OMNI (Open Multi-Taxon Identification) is a combinatorial scale engine managed by Universal Document. This index maps model parameters, taxons, and semantic dataset coordinates. ## 1. Core Framework * **Subdomain**: omni.universaldocument.org * **Parent Authority**: universaldocument.org * **Primary Focus**: Latent vector alignment for biological identification frameworks (plants, birds, mushrooms). * **Compliance Schema**: Dataset, Organization metadata schemas. ## 2. API Ingestion Endpoints * **GET `/api/identify`**: Handles image classification queries via the iNaturalist/Pl@ntNet API wrappers. * **POST `/api/direct-checkout`**: Stripe endpoint for commercial dataset access licensing. ## 3. Developer Tooling * **Wrangler Deployments**: Runs serverless Workers on Cloudflare infrastructure. * **ONNX Fallback Engine**: Enables offline edge inference when daily API thresholds are approached.