Endpoint Playground
Test Crawlora's Google Patents Classification API with realistic prefilled parameters. Generate a cURL request, inspect the expected structured JSON response, and open the full docs or pricing page when you are ready to integrate this public web data extraction endpoint into your application.
curl "https://api.crawlora.net/api/v1/googlepatents/classification?code=<code>" \
-H "x-api-key: $CRAWLORA_API_KEY"| Parameter | Type | Required | Prefilled value | Description |
|---|---|---|---|---|
| code | string | Yes | CPC classification symbol |
{
"code": 200,
"msg": "OK",
"data": {
"code": "A61K",
"name": "A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES",
"relations": [
{
"code": "A",
"name": "A - HUMAN NECESSITIES",
"is_parent": true
},
{
"code": "A61",
"name": "A61 - MEDICAL OR VETERINARY SCIENCE; HYGIENE",
"is_parent": true
},
{
"code": "A61K31/00",
"name": "A61K31/00 - Medicinal preparations containing organic active ingredients",
"is_child": true
}
],
"description": [
"Compositions which are:",
"Used for medicinal purposes, e.g. drugs, biological compositions..."
],
"source_url": "https://patents.google.com/xhr/concept?context=wizard&id=A61K",
"fetched_at": "2026-08-15T20:00:00Z"
}
}Public Playground
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Returns a CPC classification symbol's official title, its position in the classification tree (parent/child symbols), related symbols, and its full scope-note description. Accepts a symbol at any level, e.g. a section ("A"), a class ("A61"), a subclass ("A61K"), or a full group/subgroup ("A61K31/00"). Public data, sourced from Google Patents' own search API.
{
"code": 200,
"msg": "OK",
"data": {
"code": "A61K",
"name": "A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES",
"relations": [
{
"code": "A",
"name": "A - HUMAN NECESSITIES",
"is_parent": true
},
{
"code": "A61",
"name": "A61 - MEDICAL OR VETERINARY SCIENCE; HYGIENE",
"is_parent": true
},
{
"code": "A61K31/00",
"name": "A61K31/00 - Medicinal preparations containing organic active ingredients",
"is_child": true
}
],
"description": [
"Compositions which are:",
"Used for medicinal purposes, e.g. drugs, biological compositions..."
],
"source_url": "https://patents.google.com/xhr/concept?context=wizard&id=A61K",
"fetched_at": "2026-08-15T20:00:00Z"
}
}curl "https://api.crawlora.net/api/v1/googlepatents/classification?code=<code>" \
-H "x-api-key: $CRAWLORA_API_KEY"