Defensible legal analysis, one line of code.

import { NexusClient } from "@nexus-legal/sdk";

const nexus = new NexusClient({
  apiKey: process.env.NEXUS_API_KEY!,
});

const result = await nexus.analyze({
  text:         "Por el presente contrato, el arrendador cede el uso…",
  jurisdiction: "ES",
  legalBranch:  "civil",
});

// Certainty locks: [L1] literal text · [L2-J] verified jurisprudence
// [L4] reasoned inference · [L5-C] critical risk
console.log(result.analysis.certaintyLocks);
// → ["[L2-J] Art. 1554 CC confirmed in CENDOJ #123456",
//    "[L5-C] unilateral termination clause — high risk"]