14M+ trademarks. 200 years of filings. One fast API. No SDKs, no nonsense. Try it with no key, 5,000 free requests when you sign up.
API features
Everything you need to build trademark search, monitoring, and analysis tools.
Typo-tolerant full-text search across 14M+ trademark records. Find marks even with misspellings.
Lightweight autocomplete endpoint for building instant-search experiences in your apps.
Filter by status, classification codes, filing date ranges, owner country, state, and more.
Get distribution counts across status codes, international classes, and owner countries alongside search results.
Automated ETL pipeline pulls new filings from USPTO every morning. Always up to date.
Full OpenAPI 3.1 spec with interactive Scalar documentation. Explore every endpoint.
Quick start
No SDK needed. Just HTTP requests and JSON responses. Copy, paste, ship.
curl "https://api.markbase.co/search?q=nike&limit=5"{
"query": "nike",
"hits": [
{
"serial_number": "73811162",
"word_mark": "NIKE",
"owner_name": "Nike, Inc.",
"status_code": "800",
"filing_date": "19880725"
}
],
"total_hits": 4283,
"processing_time_ms": 12
}Endpoints
Every endpoint returns JSON. No auth tokens, no SDKs, no rate limits. Just clean HTTP requests.
Pricing
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