curl --request POST \
  --url https://api.filexpress.app/api/external/v1/expenses \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "branch_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
  "provider_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
  "document_type": "ccf",
  "date": "2026-10-01",
  "observation": "Compra de insumos",
  "is_credit": false,
  "credit_days": 0,
  "number_control": "DTE-03-M001P001-000000000000123",
  "generation_code": "A1B2C3D4-...",
  "stamp": "2026XYZ...",
  "products": [
    {
      "sku": "INS-001",
      "name": "Insumo A",
      "type": "goods",
      "quantity": 5,
      "price_before_taxes": 8,
      "expense_not_suject": 0,
      "expense_exent": 0,
      "expense_taxed": 40,
      "subtotal": 40
    }
  ],
  "totals": {
    "netTotals": 40,
    "charge_1": 0,
    "charge_2": 0,
    "expenseTotalTax": 40,
    "totalRent": 0,
    "totalTax": 5.2,
    "totalRetein": 0,
    "expenseTotalToPayment": 45.2
  }
}
'

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    branch_id: '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
    provider_id: '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
    document_type: 'ccf',
    date: '2026-10-01',
    observation: 'Compra de insumos',
    is_credit: false,
    credit_days: 0,
    number_control: 'DTE-03-M001P001-000000000000123',
    generation_code: 'A1B2C3D4-...',
    stamp: '2026XYZ...',
    products: [
      {
        sku: 'INS-001',
        name: 'Insumo A',
        type: 'goods',
        quantity: 5,
        price_before_taxes: 8,
        expense_not_suject: 0,
        expense_exent: 0,
        expense_taxed: 40,
        subtotal: 40
      }
    ],
    totals: {
      netTotals: 40,
      charge_1: 0,
      charge_2: 0,
      expenseTotalTax: 40,
      totalRent: 0,
      totalTax: 5.2,
      totalRetein: 0,
      expenseTotalToPayment: 45.2
    }
  })
};

fetch('https://api.filexpress.app/api/external/v1/expenses', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.filexpress.app/api/external/v1/expenses"

payload = {
    "branch_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "provider_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "document_type": "ccf",
    "date": "2026-10-01",
    "observation": "Compra de insumos",
    "is_credit": False,
    "credit_days": 0,
    "number_control": "DTE-03-M001P001-000000000000123",
    "generation_code": "A1B2C3D4-...",
    "stamp": "2026XYZ...",
    "products": [
        {
            "sku": "INS-001",
            "name": "Insumo A",
            "type": "goods",
            "quantity": 5,
            "price_before_taxes": 8,
            "expense_not_suject": 0,
            "expense_exent": 0,
            "expense_taxed": 40,
            "subtotal": 40
        }
    ],
    "totals": {
        "netTotals": 40,
        "charge_1": 0,
        "charge_2": 0,
        "expenseTotalTax": 40,
        "totalRent": 0,
        "totalTax": 5.2,
        "totalRetein": 0,
        "expenseTotalToPayment": 45.2
    }
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.filexpress.app/api/external/v1/expenses",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'branch_id' => '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
    'provider_id' => '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
    'document_type' => 'ccf',
    'date' => '2026-10-01',
    'observation' => 'Compra de insumos',
    'is_credit' => false,
    'credit_days' => 0,
    'number_control' => 'DTE-03-M001P001-000000000000123',
    'generation_code' => 'A1B2C3D4-...',
    'stamp' => '2026XYZ...',
    'products' => [
        [
                'sku' => 'INS-001',
                'name' => 'Insumo A',
                'type' => 'goods',
                'quantity' => 5,
                'price_before_taxes' => 8,
                'expense_not_suject' => 0,
                'expense_exent' => 0,
                'expense_taxed' => 40,
                'subtotal' => 40
        ]
    ],
    'totals' => [
        'netTotals' => 40,
        'charge_1' => 0,
        'charge_2' => 0,
        'expenseTotalTax' => 40,
        'totalRent' => 0,
        'totalTax' => 5.2,
        'totalRetein' => 0,
        'expenseTotalToPayment' => 45.2
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "status": true,
  "message": "Expense created successfully",
  "data": {
    "expense_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "generation_code": "A1B2C3D4-...",
    "control_number": "DTE-03-M001P001-000000000000123",
    "status": "processed",
    "issue_time": "2026-10-01 10:00:00",
    "total": 45.2
  }
}

{
  "status": false,
  "message": "Invalid API Key."
}

{
  "status": false,
  "message": "This integration does not have the 'hr.employees' permission.",
  "required_scope": "hr.employees"
}

{
  "status": false,
  "message": "Not found."
}

{
  "status": false,
  "message": "Validation errors",
  "errors": {
    "start_date": [
      "The start date field is required."
    ]
  }
}

{
  "status": false,
  "message": "Rate limit exceeded. Please try again later.",
  "rate_limit": 100
}

{
  "status": false,
  "message": "An error occurred while creating the invoice"
}