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three.ws Model Check
x402
three.ws Model Check is a paid API for AI agents from three.ws, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Fetches a glTF/GLB 3D model from a public URL, inspects its structure, and returns stats plus prioritized optimization recommendations
Price / call$0.001
Success—
StatusUnknown
How this service works
three.ws — agent-first 3D platform: drag-and-drop glTF/GLB preview plus model validation, inspection, and optimization, with Solana agent data, all reachable as MCP tools or pay-per-call x402 endpoints. This Model Check route fetches a glTF/GLB model from a URL and returns structural stats (vertices, triangles, materials, textures, animations, extensions) plus a prioritized list of optimization recommendations. Pay-per-call in USDC on Solana mainnet.
Output
Returns the fetched file size in bytes, model structural stats (scenes, nodes, meshes, materials, textures, animations, total vertices, total triangles, indexed vs non-indexed primitives), container type (glb/gltf), glTF version, generator tool, extensions used and required, plus a prioritized list of optimization suggestions each with a severity level (info/warn/critical) and estimated impact.
Example use cases
Example prompt
“Can you check this 3D model for me before I mint it — run a full inspection on https://example.com/assets/character.glb and tell me the vertex count, triangle count, materials, textures, any extensions used, and what optimizations I should make?”
Technical details
Endpoint
GEThttps://three.ws/api/x402/model-checkWhen to prefer
Use this endpoint when an AI agent needs to vet, validate, or audit a 3D glTF or GLB asset before any downstream action such as minting, embedding in a scene, or purchasing. It is the right choice when structural stats (geometry, materials, textures, animations) and actionable optimization advice are needed for a single model URL. Prefer it over general-purpose file analyzers because it uses the canonical glTF-Transform inspector and returns 3D-specific recommendations.
Side effects
- URL is not publicly accessible — returns fetch error
- File exceeds 16 MiB limit — returns size exceeded error
- URL does not point to a valid glTF/GLB file — returns parse error
- Payment not included or insufficient USDC — returns 402 Payment Required
- Network timeout fetching the remote model URL
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"url": "https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/main/2.0/Box/glTF-Binary/Box.glb"
}
},
"output": {
"type": "object"
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"url": "https://raw.githubusercontent.com/KhronosGroup/glTF-Sample-Models/main/2.0/Box/glTF-Binary/Box.glb",
"model": {
"counts": {
"nodes": 2,
"skins": 0,
"meshes": 1,
"scenes": 1,
"textures": 0,
"materials": 1,
"animations": 0,
"totalVertices": 24,
"totalTriangles": 12,
"indexedPrimitives": 1,
"nonIndexedPrimitives": 0
},
"version": "2.0",
"fileSize": 1664,
"textures": [],
"container": "glb",
"copyright": null,
"generator": "glTF-Transform v4.4.0",
"materials": [
{
"name": "Red",
"alphaMode": "OPAQUE",
"doubleSided": false,
"hasNormalTexture": false,
"hasEmissiveTexture": false,
"hasBaseColorTexture": false,
"hasOcclusionTexture": false,
"hasMetallicRoughnessTexture": false
}
],
"extensionsUsed": [],
"primitiveModes": [
4
],
"extensionsRequired": []
},
"suggestions": [
{
"id": "ok",
"message": "Model looks well-optimized for web delivery — no suggestions flagged.",
"severity": "info"
}
],
"fetchedBytes": 1664
}Schema · Response
{
"type": "json",
"example": {
"url": "https://three.ws/avatars/mannequin.glb",
"model": {
"counts": {
"nodes": 18,
"skins": 1,
"meshes": 6,
"scenes": 1,
"textures": 3,
"materials": 4,
"animations": 1,
"totalVertices": 12480,
"totalTriangles": 24812,
"indexedPrimitives": 6,
"nonIndexedPrimitives": 0
},
"version": "2.0",
"container": "glb",
"generator": "three.ws CharacterStudio v1.5",
"extensionsUsed": [
"KHR_materials_unlit"
],
"extensionsRequired": []
},
"suggestions": [
{
"id": "texture_size",
"message": "All textures are within 1024x1024 — good for mobile.",
"severity": "info"
}
],
"fetchedBytes": 1572864
}
}Tags
x402
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