APIs Vusadoc

const response = await fetch(
  'https://api.vusadoc.fr/external/signature/init',
  {
    method: 'POST',
    headers: {
      'X-API-Key': apiKey,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      documentTitle: 'Devis-2026-001',
      signerEmail: 'client@example.com',
      pdfBase64: pdfContent
    })
  }
);