Credit and Passport quickstart

FULLNESS_CREDIT_API_BASE=https://sandbox-host-issued-during-onboarding
FULLNESS_CREDIT_API_KEY=prefix.secret

import { createHmac } from 'node:crypto';

const baseUrl = process.env.FULLNESS_CREDIT_API_BASE;
const apiKey = process.env.FULLNESS_CREDIT_API_KEY;
const secret = apiKey.slice(apiKey.indexOf('.') + 1);
const body = JSON.stringify({
  did: 'did:fullness:subject-issued-by-fullness',
  consent_token: 'consent-token-issued-for-this-release',
});
const signature = 'sha256=' + createHmac('sha256', secret)
  .update(body, 'utf8')
  .digest('hex');

const response = await fetch(
  baseUrl + '/api/credit-api/v1/score',
  {
    method: 'POST',
    headers: {
      'content-type': 'application/json',
      'x-api-key': apiKey,
      'x-signature': signature,
      'x-data-use-purpose': 'credit_scoring',
    },
    body,
  },
);

const payload = await response.json();
if (!response.ok) throw new Error(payload.error?.code || 'CREDIT_API_ERROR');
console.log(payload.attestation);