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// Send a document for signature with the REST API.
// Your API key comes from Settings, and API access is part of Business.
const res = await fetch('https://signquick.app/api/v1/signatures', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer sq_...',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    document_id: 'doc_abc123',
    title: 'Service Agreement',
    signers: [{ name: 'John Doe', email: '[email protected]' }],
  }),
});

const signature = await res.json();
console.log(signature.id);