Endpoint Playground

Try the Patents Search API

Test Crawlora's Patents Search 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.

Endpoint facts

Method: GET
API path: /patents/search
Platform: Patents
Auth: apiKey
Credits: 3 credits/request
Required params: q
Common optional params: databases, num, page

Patents Search API documentation Patents platform page Crawlora API pricing Try Patents Detail API

Prefilled cURL

curl "https://api.crawlora.net/api/v1/patents/search?q=<q>" \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters visible to crawlers

Parameter	Type	Required	Description
q	string	Yes	Search query text -- accepts USPTO's full Advanced Search (BRS) query syntax: field codes, date ranges, boolean/proximity operators, wildcards
databases	string	No	Comma-separated subset of databases to search. Allowed values: US-PGPUB, USPAT, USOCR. Defaults to all three
num	integer	No	Results to return, default 20, max 100
page	integer	No	Results page, 0-indexed, default 0

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "query": "battery",
    "num_found": 500,
    "per_page": 20,
    "page": 0,
    "results": [
      {
        "publication_number": "US10758101B2",
        "guid": "US-10758101-B2",
        "title": "UPRIGHT VACUUM CLEANER WITH BATTERY SUPPORT PLATE",
        "database": "USPAT",
        "applicant_names": [
          "Emerson Electric Co."
        ],
        "assignee_name": "Emerson Electric Co.",
        "inventors_short": "Fogarty; Thomas E. et al.",
        "application_number": "15/620,213",
        "filing_date": "2017-06-12T00:00:00Z",
        "publication_date": "2020-09-01T00:00:00Z",
        "ipc_codes": "A47L9/00",
        "kind_codes": [
          "B2"
        ],
        "page_count": 15,
        "language": "EN"
      }
    ],
    "source_url": "https://ppubs.uspto.gov/api/searches/searchWithBeFamily",
    "fetched_at": "2026-08-15T19:00:00Z"
  }
}

Public Playground

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Endpoint

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2 shown

Group

Method

Auth

Endpoint

GETapiKey3 credits/requestpatents.searchResponseDocPatents

GET /patents/search

Search USPTO's own patent full-text search index

Searches USPTO Patent Public Search's full-text index of granted patents and published applications, returning normalized bibliographic results (title, applicant/assignee, inventors, filing and publication dates, application number, IPC/CPC classifications, page count). q accepts USPTO's full Advanced Search query syntax -- field-specific search (e.g. battery.ti., Microsoft.as.), date ranges (@pd>=20200101<=20241231), boolean and proximity operators, and wildcards -- see the markdown doc for the full field-code table and syntax reference. Public data, sourced from USPTO's own official search tool.

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Required query parameters

requiredstring

Search query text -- accepts USPTO's full Advanced Search (BRS) query syntax: field codes, date ranges, boolean/proximity operators, wildcards

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Sample responseGET

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{
  "code": 200,
  "msg": "OK",
  "data": {
    "query": "battery",
    "num_found": 500,
    "per_page": 20,
    "page": 0,
    "results": [
      {
        "publication_number": "US10758101B2",
        "guid": "US-10758101-B2",
        "title": "UPRIGHT VACUUM CLEANER WITH BATTERY SUPPORT PLATE",
        "database": "USPAT",
        "applicant_names": [
          "Emerson Electric Co."
        ],
        "assignee_name": "Emerson Electric Co.",
        "inventors_short": "Fogarty; Thomas E. et al.",
        "application_number": "15/620,213",
        "filing_date": "2017-06-12T00:00:00Z",
        "publication_date": "2020-09-01T00:00:00Z",
        "ipc_codes": "A47L9/00",
        "kind_codes": [
          "B2"
        ],
        "page_count": 15,
        "language": "EN"
      }
    ],
    "source_url": "https://ppubs.uspto.gov/api/searches/searchWithBeFamily",
    "fetched_at": "2026-08-15T19:00:00Z"
  }
}

Endpoint details

Method: GET
Path: /patents/search
Authentication: apiKey
Credit cost: 3 credits/request
Platform: Patents
Parameters: 5 documented fields

Request parameters

q:querydatabases:querynum:querypage:queryx-api-key:header

Response schema fields

codedatadata.fetched_atdata.num_founddata.pagedata.per_pagedata.querydata.resultsdata.results[].applicant_namesdata.results[].application_numberdata.results[].assignee_namedata.results[].cpc_codes

Sample response summary

{
  "code": 200,
  "msg": "OK",
  "data": {
    "query": "battery",
    "num_found": 500,
    "per_page": 20,
    "page": 0,
    "results": [
      {
        "publication_number": "US10758101B2",
        "guid": "US-10758101-B2",
        "title": "UPRIGHT VACUUM CLEANER WITH BATTERY SUPPORT PLATE",
        "database": "USPAT",
        "applicant_names": [
          "Emerson Electric Co."
        ],
        "assignee_name": "Emerson Electric Co.",
        "inventors_short": "Fogarty; Thomas E. et al.",
        "application_number": "15/620,213",
        "filing_date": "2017-06-12T00:00:00Z",
        "publication_date": "2020-09-01T00:00:00Z",
        "ipc_codes": "A47L9/00",
        "kind_codes": [
          "B2"
        ],
        "page_count": 15,
        "language": "EN"
      }
    ],
    "source_url": "https://ppubs.uspto.gov/api/searches/searchWithBeFamily",
    "fetched_at": "2026-08-15T19:00:00Z"
  }
}

cURL example

curl "https://api.crawlora.net/api/v1/patents/search?q=<q>" \
  -H "x-api-key: $CRAWLORA_API_KEY"

View endpoint docs Open platform page Browse all endpoints Pricing Fetch a document's full bibliographic data, abstract, description, and claims

Try the Patents Search API

Endpoint facts

Method: GET
API path: /patents/search
Platform: Patents
Auth: apiKey
Credits: 3 credits/request
Required params: q
Common optional params: databases, num, page

Patents Search API documentation Patents platform page Crawlora API pricing Try Patents Detail API

Prefilled cURL

curl "https://api.crawlora.net/api/v1/patents/search?q=<q>" \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters visible to crawlers

Parameter	Type	Required	Description
q	string	Yes	Search query text -- accepts USPTO's full Advanced Search (BRS) query syntax: field codes, date ranges, boolean/proximity operators, wildcards
databases	string	No	Comma-separated subset of databases to search. Allowed values: US-PGPUB, USPAT, USOCR. Defaults to all three
num	integer	No	Results to return, default 20, max 100
page	integer	No	Results page, 0-indexed, default 0

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "query": "battery",
    "num_found": 500,
    "per_page": 20,
    "page": 0,
    "results": [
      {
        "publication_number": "US10758101B2",
        "guid": "US-10758101-B2",
        "title": "UPRIGHT VACUUM CLEANER WITH BATTERY SUPPORT PLATE",
        "database": "USPAT",
        "applicant_names": [
          "Emerson Electric Co."
        ],
        "assignee_name": "Emerson Electric Co.",
        "inventors_short": "Fogarty; Thomas E. et al.",
        "application_number": "15/620,213",
        "filing_date": "2017-06-12T00:00:00Z",
        "publication_date": "2020-09-01T00:00:00Z",
        "ipc_codes": "A47L9/00",
        "kind_codes": [
          "B2"
        ],
        "page_count": 15,
        "language": "EN"
      }
    ],
    "source_url": "https://ppubs.uspto.gov/api/searches/searchWithBeFamily",
    "fetched_at": "2026-08-15T19:00:00Z"
  }
}

Search USPTO's own patent full-text search index

API key required. Paste a full key or rotate one from the API Keys page.

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{ "code": 200, "msg": "OK", "data": { "query": "battery", "num_found": 500, "per_page": 20, "page": 0, "results": [ { "publication_number": "US10758101B2", "guid": "US-10758101-B2", "title": "UPRIGHT VACUUM CLEANER WITH BATTERY SUPPORT PLATE", "database": "USPAT", "applicant_names": [ "Emerson Electric Co." ], "assignee_name": "Emerson Electric Co.", "inventors_short": "Fogarty; Thomas E. et al.", "application_number": "15/620,213", "filing_date": "2017-06-12T00:00:00Z", "publication_date": "2020-09-01T00:00:00Z", "ipc_codes": "A47L9/00", "kind_codes": [ "B2" ], "page_count": 15, "language": "EN" } ], "source_url": "https://ppubs.uspto.gov/api/searches/searchWithBeFamily", "fetched_at": "2026-08-15T19:00:00Z" } }

Endpoint details

Method: GET
Path: /patents/search
Authentication: apiKey
Credit cost: 3 credits/request
Platform: Patents
Parameters: 5 documented fields

Request parameters

q:querydatabases:querynum:querypage:queryx-api-key:header

Response schema fields

codedatadata.fetched_atdata.num_founddata.pagedata.per_pagedata.querydata.resultsdata.results[].applicant_namesdata.results[].application_numberdata.results[].assignee_namedata.results[].cpc_codes

Sample response summary

{
  "code": 200,
  "msg": "OK",
  "data": {
    "query": "battery",
    "num_found": 500,
    "per_page": 20,
    "page": 0,
    "results": [
      {
        "publication_number": "US10758101B2",
        "guid": "US-10758101-B2",
        "title": "UPRIGHT VACUUM CLEANER WITH BATTERY SUPPORT PLATE",
        "database": "USPAT",
        "applicant_names": [
          "Emerson Electric Co."
        ],
        "assignee_name": "Emerson Electric Co.",
        "inventors_short": "Fogarty; Thomas E. et al.",
        "application_number": "15/620,213",
        "filing_date": "2017-06-12T00:00:00Z",
        "publication_date": "2020-09-01T00:00:00Z",
        "ipc_codes": "A47L9/00",
        "kind_codes": [
          "B2"
        ],
        "page_count": 15,
        "language": "EN"
      }
    ],
    "source_url": "https://ppubs.uspto.gov/api/searches/searchWithBeFamily",
    "fetched_at": "2026-08-15T19:00:00Z"
  }
}

cURL example

curl "https://api.crawlora.net/api/v1/patents/search?q=<q>" \
  -H "x-api-key: $CRAWLORA_API_KEY"

View endpoint docs Open platform page Browse all endpoints Pricing Fetch a document's full bibliographic data, abstract, description, and claims