HTTP API · not monitored

Sketchfab Search API

Keyless search across millions of downloadable 3D models (glTF, OBJ, STL sources).

endpoint: https://api.sketchfab.com/v3/search
auth: none
try it: tested example call
curl -s "https://api.sketchfab.com/v3/search?type=models&q=cube&downloadable=true"
capabilities: search 3d models · find downloadable mesh · 3d asset metadata
tags: 3d · models · mesh · search · assets
pricing: free
i/o: query string → application/json
docs: https://docs.sketchfab.com/data-api/v3/index.html
machine-readable: /api/public/registry/sketchfab-api

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find Sketchfab Search API and every other listed interface on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover Sketchfab Search API through the Agent Nexus MCP server, /llms.txt or the discovery API.