Get E-Invoice by Source Reference

{
  "requestId": "3a6538fd-03f0-4b05-ba41-5d44769dd014",
  "requestTimestamp": "2026-04-09 12:00:00",
  "message": "Invoice details retrieved successfully.",
  "statusCode": 200,
  "data": {
    "id": "019a1639-ce25-70b7-ab20-16fcb2bac023",
    "invoiceReferenceNumber": "REF-2026-001",
    "sourceReference": "SRC-2026-001",
    "invoiceNumber": "INV-2026-001",
    "systemInvoiceNumber": "SYS-INV-001",
    "status": "VALIDATED",
    "businessId": "019a1639-ce25-70b7-ab20-16fcb2bac023",
    "businessState": "LIVE",
    "invoiceType": "388",
    "issueDate": "2026-04-09",
    "documentCurrency": "NGN",
    "taxCurrency": "NGN",
    "paymentStatus": "PENDING",
    "subtotalAmount": 100000,
    "taxTotal": 7500,
    "totalAmount": 107500,
    "amountDue": 107500,
    "supplierData": {
      "name": "Acme Corp Ltd",
      "email": "billing@acme.com",
      "phoneNumber": "+2348012345678",
      "tin": "12345678-0001",
      "country": "NG",
      "state": "Lagos",
      "city": "Lagos",
      "address": "123 Business Ave"
    },
    "payeeData": {
      "name": "Customer Inc",
      "email": "accounts@customer.com",
      "phoneNumber": "+2348098765432",
      "tin": "87654321-0001",
      "country": "NG",
      "state": "Abuja",
      "city": "Abuja",
      "address": "456 Client Street"
    },
    "taxRepresentativeData": {
      "name": "Tax Rep Ltd",
      "email": "rep@taxrep.com",
      "phoneNumber": "+2348011111111",
      "tin": "11111111-0001",
      "country": "NG",
      "state": "Lagos",
      "city": "Lagos",
      "address": "789 Tax Street"
    },
    "invoiceLineItems": [
      {
        "lineNumber": 1,
        "description": "Software License",
        "unit": "EA",
        "quantity": 2,
        "unitPrice": 50000,
        "itemAmount": 100000,
        "taxes": [
          {
            "name": "VAT",
            "rate": 0.075,
            "amount": 7500
          }
        ],
        "taxAmount": 7500,
        "lineTotalExcludingTax": 100000,
        "lineTotalIncludingTax": 107500
      }
    ],
    "discountData": {},
    "notes": "Payment due within 30 days",
    "paymentTerms": "Net 30",
    "daysDue": 30,
    "firsStatus": "SIGNED",
    "firsApprovalDate": "2026-04-09 14:30:00",
    "firsRejectionReason": null,
    "digitalStamp": "abc123def456...",
    "branding": {
      "logo_url": "https://example.com/logo.png",
      "primary_color": "#1A73E8",
      "secondary_color": "#FF5722"
    },
    "paymentDetails": {
      "bankName": "Access Bank",
      "accountName": "Acme Corp Ltd",
      "accountNumber": "0123456789"
    },
    "createdAt": "2026-04-09 12:00:00",
    "updatedAt": "2026-04-09 14:30:00"
  }
}

{
  "requestId": "f006ad7b-096c-4254-8c7e-2d23a55b0b0e",
  "requestTimestamp": "2026-04-09 12:00:00",
  "message": "Unauthenticated.",
  "statusCode": 401
}

{
  "requestId": "f006ad7b-096c-4254-8c7e-2d23a55b0b0e",
  "requestTimestamp": "2026-04-09 12:00:00",
  "message": "Invoice not found.",
  "statusCode": 404
}

{
  "requestId": "f006ad7b-096c-4254-8c7e-2d23a55b0b0e",
  "requestTimestamp": "2026-04-09 12:00:00",
  "message": "An error occurred while processing your request.",
  "statusCode": 500
}