| name | poly-pizza-api |
| description | Use this skill whenever an LLM agent needs to search, browse, or download 3D models from Poly Pizza (poly.pizza) using their REST API. Triggers on any task involving: finding free low-poly 3D models, searching the Poly Pizza catalogue, fetching model metadata or download URLs, retrieving popular models, or downloading .glb files from Poly Pizza. Use this skill proactively whenever the agent needs to obtain 3D assets programmatically, even if the user just says "find me a 3D model of X" without mentioning Poly Pizza by name.
|
Poly Pizza API v1.1
Poly Pizza (https://poly.pizza) hosts 10,000+ free low-poly CC0 and CC-BY 3D models. The
API lets agents search, filter, and download them programmatically.
Authentication
All requests require an API key obtained from https://poly.pizza/settings/api (requires
a free account). In this environment, the key is available as the POLY_PIZZA_KEY
environment variable. Pass it as a header:
X-Auth-Token: <your_api_key>
The key must be present on every request. There is no OAuth flow — it's a static token.
Base URL
https://api.poly.pizza/v1/
All endpoints below are relative to this base.
Endpoints
Search models
GET /search/{query}
Returns models matching the keyword. URL-encode the query string.
Query parameters:
| Param | Type | Default | Description |
|---|
limit | integer | 12 | Max results to return (max ~50) |
cursor | string | — | Pagination cursor from a previous response |
format | string | "glb" | File format filter (glb, fbx, obj) |
animated | boolean | — | Filter to only animated models |
tricount | string | — | Triangle count range, e.g. "0-5000" |
Example:
GET https://api.poly.pizza/v1/search/tree?limit=5
X-Auth-Token: your_key_here
Response shape:
{
"cursor": "some_cursor_string_or_null",
"results": [
{
"ID": "5EGWBMpuXq",
"Title": "Oak Tree",
"Description": "A simple low poly oak tree",
"Creator": {
"Username": "someartist",
"PURL": "https://poly.pizza/u/someartist"
},
"Thumbnail": "https://...jpg",
"Download": "https://...glb",
"DownloadFBX": "https://...fbx",
"Licence": "CC-BY 4.0",
"Tags": ["nature", "tree",
Get popular models
GET /popular
Returns the most popular / trending models on the site.
Query parameters: same as search (limit, cursor, format, animated, tricount)
Example:
GET https://api.poly.pizza/v1/popular?limit=10
X-Auth-Token: your_key_here
Response shape is identical to search.
Get model by ID
GET /model/{id}
Returns full metadata for a single model by its unique ID.
Example:
GET https://api.poly.pizza/v1/model/5EGWBMpuXq
X-Auth-Token: your_key_here
Response is a single model object (same shape as an entry in results above).
Downloading a model
The Download field in the response is a direct CDN URL to the .glb file. To download
it, perform a plain GET request — no auth header required on the CDN URL itself.
import requests
headers = {"X-Auth-Token": api_key}
resp = requests.get("https://api.poly.pizza/v1/search/chair", headers=headers, params={"limit": 1})
model = resp.json()["results"][0]
glb_bytes = requests.get(model["Download"]).content
with open(f"{model['Title']}.glb", "wb") as f:
f.write(glb_bytes)
Licenses and attribution
| License | Requirements |
|---|
| CC0 | No attribution required — public domain |
| CC-BY 4.0 | Must credit the creator. Format: "[Title]" by [Username] (poly.pizza) CC-BY 4.0 |
Always check model.Licence and record credits for CC-BY models. A minimal attribution
line looks like:
"Oak Tree" by someartist (https://poly.pizza/u/someartist) CC-BY 4.0
Pagination
Responses include a cursor field. If it's non-null, there are more results. Pass it as
?cursor=<value> on the next request (keep all other params the same).
results = []
cursor = None
while True:
params = {"limit": 24}
if cursor:
params["cursor"] = cursor
data = requests.get(url, headers=headers, params=params).json()
results.extend(data["results"])
cursor = data.get("cursor")
if not cursor:
break
Error handling
| Status | Meaning |
|---|
| 200 | OK |
| 401 | Missing or invalid API key |
| 404 | Model ID not found |
| 429 | Rate limit exceeded — back off |
| 500 | Server error — retry |
On 429, wait at least 1 second before retrying. The API has no documented rate limit
ceiling; hobbyist use is free, commercial use is pay-as-you-go.
Common patterns
Find best match for a keyword
GET /search/{keyword}?limit=5- Pick the result with the lowest
TriangleCount that still looks appropriate, or the
first result if the task doesn't specify poly count.
Batch fetch for a scene
Identify all needed asset types (e.g. "tree, rock, house, car"), then fire parallel
search requests for each keyword. Collect the top result per keyword.
Download and save with attribution
import requests, os
def fetch_model(api_key: str, keyword: str, out_dir: str) -> dict:
headers = {"X-Auth-Token": api_key}
r = requests.get(
f"https://api.poly.pizza/v1/search/{keyword}",
headers=headers,
params={"limit": 1}
)
r.raise_for_status()
results = r.json().get("results", [])
if not results:
raise ValueError(f"No models found for '{keyword}'")
model = results[0]
glb = requests.get(model["Download"])
glb.raise_for_status()
safe_name = model["Title"].replace(" ", "_")
path = os.path.join(out_dir, f"{safe_name}.glb")
with open(path, "wb") as f:
f.write(glb.content)
attribution = None
if "CC-BY" in model.get("Licence", ""):
attribution = (
f'"{model["Title"]}" by {model["Creator"]["Username"]} '
f'({model["Creator"]["PURL"]}) {model["Licence"]}'
)
{: path, : model, : attribution}
Notes
- Models are
.glb (GLTF binary) by default, directly usable in Three.js, Babylon.js,
Unity (with glTFast), Unreal, Godot, and most AR/VR frameworks.
DownloadFBX is available on some models for Unity's native importer.- The
Thumbnail URL is a JPEG preview image, useful for showing a preview before
downloading.
- Model IDs are stable — safe to cache and reference by ID later.
- The API key is obtained from https://poly.pizza/settings/api after creating a free account.
