Built for AI agents

// 1. Discover the publisher's catalogue
const manifest = await fetch(
  "https://publisher.com/.well-known/opedd.json"
).then(r => r.json());

// manifest.licensing.licences → what this publisher offers, with prices

// 2. Ask a question: cited passages, paid per article used
const answer = await fetch("https://api.opedd.com/search", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    Authorization: "Bearer opedd_buyer_your_key_here",
  },
  body: JSON.stringify({
    query: "Why did EU chip subsidies change in 2026?",
    max_results: 5,                   // 5 by default, up to 10
    max_charge_cents: 100,            // optional cap for this question
  }),
}).then(r => r.json());

console.log(answer.data.passages[0]);
// → a licensed passage, with its article and publication
console.log(answer.data.billing.charged_cents);

// 3. Verify any licence at any time
const proof = await fetch(
  `https://api.opedd.com/verify-license?key=${licenceKey}`
).then(r => r.json());

console.log(proof.data.blockchain_status);
// → "confirmed" - recorded in the public record on Tempo