Endpoint Playground
Returns how many patent grants and applications Google Patents has indexed, per patent office/country, per year, across every authority it covers. Public data, sourced from Google Patents' own search API.
14 Oct 2026: 107 countries; 1 fields had a value in every checked item and 1 varied between items.
Sample value profiles: years: median 49 entries.
curl 'https://api.crawlora.net/api/v1/googlepatents/coverage' \
-H "x-api-key: $CRAWLORA_API_KEY"No request parameters
{
"code": 200,
"msg": "OK",
"data": {
"countries": [
{
"country_code": "US",
"years": [
{
"year": 2024,
"grants": "350000",
"applications": "420000"
},
{
"year": 2025,
"grants": "330000",
"applications": "400000"
}
]
},
{
"country_code": "CN",
"years": [
{
"year": 2025,
"grants": "2802408",
"applications": "1712467"
}
]
}
],
"source_url": "https://patents.google.com/xhr/stats",
"fetched_at": "2026-08-15T16:00:00Z"
}
}The sample response, schema and code snippets below work without an account. Sending a live request needs an API key.