LegalBrandCheck API

Check brand names programmatically — ideal for law firms, agencies and developers.

Authentication

All v2 endpoints require the header X-API-Key. Keys are delivered by email after request.

X-API-Key: lbc_v2_your_key_here

API keys are never stored in plain text. Treat them like passwords.

Endpoints

Method	Path	Description
GET	/api/v2/brand-check	Brand name check (EUIPO + ZEFIX + domain)
GET	/api/v2/jurisdiction/:code	Filing requirements per jurisdiction (CH, DE, EU, AT, US)
GET	/api/v2/quotas	Current quota and usage for this key
POST	/api/v2/trademark/search	Trademark search with jurisdiction and Nice classes

Code examples

curl

curl -X GET "https://legalbrandcheck.com/api/v2/brand-check?name=Acme&jurisdiction=CH" \
  -H "X-API-Key: lbc_v2_your_key_here"

Node.js

const response = await fetch(
  'https://legalbrandcheck.com/api/v2/brand-check?name=Acme&jurisdiction=CH',
  { headers: { 'X-API-Key': 'lbc_v2_your_key_here' } }
);
const data = await response.json();
console.log(data.verdict, data.score);

Python

import requests

resp = requests.get(
    "https://legalbrandcheck.com/api/v2/brand-check",
    params={"name": "Acme", "jurisdiction": "CH"},
    headers={"X-API-Key": "lbc_v2_your_key_here"},
)
data = resp.json()
print(data["verdict"], data["score"])

Trademark search (POST)

curl -X POST "https://legalbrandcheck.com/api/v2/trademark/search" \
  -H "X-API-Key: lbc_v2_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Acme",
    "jurisdictions": ["CH", "DE", "EU"],
    "niceClasses": [9, 42]
  }'

Response example

{
  "id": "uuid-...",
  "name": "Acme",
  "score": 72,
  "verdict": "caution",
  "conflicts": [
    {
      "name": "ACME CORP",
      "jurisdiction": "EU",
      "niceClasses": [9],
      "source": "euipo"
    }
  ],
  "legalRequirements": { "jurisdictions": ["CH"] },
  "checkedAt": "2026-06-29T10:00:00.000Z",
  "source": "fallback",
  "degraded": true
}

Pricing

API access runs through the Enterprise plan. The base fee and included request volume are listed on the pricing page; larger quotas have no list price — quote on request.

View pricing page Request a quote

Ready to get started?

Submit your request via the form. You will immediately receive an automatic acknowledgement with a reference number; the quote and key follow by email.

Request API access