Documentation

curl -X POST https://api.patentnexus.net/v1/signup \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

curl -H "Authorization: Bearer YOUR_KEY" \
  "https://api.patentnexus.net/v1/search?q=machine+learning"

curl -X POST https://api.patentnexus.net/v1/signup \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

{
  "api_key": "pn_live_...",
  "message": "API key created with $1.00 free credits. Save this key — it won't be shown again."
}

{
  "balance_micro_cents": 950000,
  "balance_dollars": 0.95
}

curl -H "Authorization: Bearer YOUR_API_KEY" \
  https://api.patentnexus.net/v1/patents/US10985407B2

{
  "id": "a1b2c3d4-...",
  "patent_id": "US10985407B2",
  "title": "Solid electrolyte for lithium-ion batteries",
  "abstract_text": "A solid electrolyte composition...",
  "filing_date": "2019-03-12",
  "grant_date": "2021-04-20",
  "status": "granted",
  "patent_type": "utility",
  "inventors": [
    { "id": "uuid-...", "name": "Jagdeep Singh", "location": "San Jose, CA" }
  ],
  "assignees": [
    { "id": "uuid-...", "name": "QuantumScape Corporation", "assignee_type": "company" }
  ],
  "classifications": [
    { "system": "CPC", "code": "H01M10/0562" }
  ],
  "citation_count_forward": 24,
  "citation_count_backward": 8,
  "enrichment": {
    "summary": "Describes a ceramic solid electrolyte...",
    "technologies": ["solid-state electrolyte", "lithium-ion"]
  },
  "has_embedding": true,
  "created_at": "2025-01-15T10:30:00Z",
  "updated_at": "2025-01-15T10:30:00Z"
}

{
  "patent_id": "US10985407B2",
  "claims": [
    {
      "id": "uuid-...",
      "claim_number": 1,
      "claim_text": "A solid electrolyte comprising...",
      "is_independent": true,
      "depends_on": null
    },
    {
      "id": "uuid-...",
      "claim_number": 2,
      "claim_text": "The solid electrolyte of claim 1, wherein...",
      "is_independent": false,
      "depends_on": 1
    }
  ]
}

curl -H "Authorization: Bearer YOUR_API_KEY" \
  https://api.patentnexus.net/v1/patents/US10985407B2/summary

{
  "patent_id": "US10985407B2",
  "summary": "Describes a ceramic solid electrolyte for use in
    lithium-ion batteries that improves ionic conductivity
    while preventing dendrite formation...",
  "model_version": "gemini-2.5-flash-lite"
}

{
  "patent_id": "US10985407B2",
  "technologies": ["solid-state electrolyte", "lithium-ion battery",
    "ceramic composite", "dendrite suppression"],
  "model_version": "gemini-2.5-flash-lite"
}

curl -X POST https://api.patentnexus.net/v1/prior-art \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "description": "solid-state lithium battery with ceramic electrolyte",
    "classifications": ["H01M"],
    "limit": 10
  }'

{
  "query": "solid-state lithium battery with ceramic electrolyte",
  "results": [
    {
      "patent_id": "US10985407B2",
      "title": "Solid electrolyte for lithium-ion batteries",
      "abstract_text": "A solid electrolyte composition...",
      "filing_date": "2019-03-12",
      "grant_date": "2021-04-20",
      "status": "granted",
      "relevance_score": 0.94,
      "relevance_explanation": "Directly relevant — ceramic electrolyte
        composition matches described approach",
      "classifications": ["H01M10/0562", "H01M10/0585"],
      "citation_count": 24,
      "claim_count": 15
    }
  ],
  "total_found": 1
}