Three lines of code to your first certified artifact

# pnpm / npm / yarn
pnpm add @certifieddata/sdk
# or
npm install @certifieddata/sdk

import { CertifiedData } from "@certifieddata/sdk";

const cd = new CertifiedData({
  apiKey: process.env.CERTIFIEDDATA_API_KEY, // optional — omit for anonymous sandbox
});

// 1. Generate a certified dataset (sandbox, no auth)
const { cert, rows } = await cd.datasets.generate({
  templateId: "fraud_detection",
  rows: 500,
  engine: "light",
});

console.log(cert.cert_id);            // scert_...
console.log(cert.verify_url);         // https://certifieddata.io/verify?id=...
console.log(cert.dataset_hash);       // sha256:...

// 2. Verify ANY artifact client-side — no server trust
const ok = await cd.verify({ id: cert.cert_id });
console.log(ok.signatureValid);       // true

pip install certifieddata
# or
uv add certifieddata

from certifieddata import CertifiedData

cd = CertifiedData()  # anonymous sandbox

cert = cd.datasets.generate(
    template_id="fraud_detection",
    rows=500,
    engine="light",
)

print(cert.cert_id)          # scert_...
print(cert.verify_url)
print(cert.dataset_hash)

# Verify client-side (no server trust)
result = cd.verify(cert.cert_id)
assert result.signature_valid

// Pure WebCrypto — works in any modern browser or Node 20+.
// No dependencies. No server trust.
import { verifyArtifactClientSide } from "@certifieddata/verify";

const r = await verifyArtifactClientSide({ id: "cert_abc123" });
if (!r.signatureValid) throw new Error("tampered");

cd.decisions.log(
    label="loan_approval",
    artifact_reference="cert_abc123",
    selected_option="approved",
    confidence=0.92,
)

// Quote → authorize → execute → receipt (all signed)
const quote = await cd.commerce.quote({
  amount: 4900,
  currency: "usd",
  rail: "stripe",
  counterparty: "vendor:synthetic-data-co",
  purpose: "dataset_purchase",
});

const auth = await cd.commerce.authorize(quote.id);
const receipt = await cd.commerce.execute(auth.id);

console.log(receipt.verify_url);       // anyone can verify without a session