The Agentic
Document intelligence API.

const response = await fetch('https://api.getneji.com/api/extract', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${process.env.NEJI_API_KEY}`,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    projectId: 'proj_invoices',
    fileId: 'file_receipt_001',  // uploaded via POST /api/files/upload
    schema: {
      type: 'object',
      properties: {
        vendor: { type: 'string', description: 'Merchant name from header' },
        date: { type: 'string', format: 'date' },
        lineItems: {
          type: 'array',
          items: {
            type: 'object',
            properties: {
              description: { type: 'string' },
              amount: { type: 'number' }
            }
          }
        },
        total: { type: 'number' }
      },
      required: ['vendor', 'total']
    }
  })
});

const { data, confidence, validation } = await response.json();
// data: { vendor: "Whole Foods", total: 84.32, lineItems: [...] }
// confidence: { vendor: { level: "high", source: "Page 1, header" }, ... }