curl --request GET \
  --url https://api-alpha.fourvenues.com/integrations/invoicing/invoices \
  --header 'integration_id: <api-key>' \
  --header 'secret: <api-key>' \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "invoice_number": "<string>",
      "url": "<string>",
      "invoice_type_name": "<string>",
      "invoice_type_code": "<string>",
      "organization_system_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "organization_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "invoice_type_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "serie_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "status": "<string>",
      "issue_date": "2023-11-07T05:31:56Z",
      "due_date": "2023-11-07T05:31:56Z",
      "total_amount": 123,
      "currency": "<string>",
      "total_tax_amount": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "supplier_legal_info": {
        "legal_tax_id": "<string>",
        "legal_name": "<string>",
        "commercial_name": "<string>",
        "address": "<string>",
        "postal_code": "<string>",
        "city": "<string>",
        "email": "<string>",
        "phone": "<string>",
        "mercantile_register": "<string>"
      },
      "customer_legal_info": {
        "legal_tax_id": "<string>",
        "legal_name": "<string>",
        "commercial_name": "<string>",
        "address": "<string>",
        "postal_code": "<string>",
        "city": "<string>",
        "email": "<string>",
        "phone": "<string>",
        "mercantile_register": "<string>"
      },
      "organization_system_info": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "regime_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "regime_code": "<string>",
        "regime_name": "<string>",
        "country_code": "<string>",
        "country_code_alpha3": "<string>"
      },
      "invoice_relations": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "type": "<string>",
          "related_invoice_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
        }
      ],
      "invoice_entities": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "type": "<string>"
        }
      ],
      "invoice_lines": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "description": "<string>",
          "quantity": 123,
          "unit_price": 123,
          "total_amount": 123,
          "line_taxes": [
            {
              "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
              "tax_type": "<string>",
              "tax_rate": 123,
              "tax_exemption_code": "<string>"
            }
          ]
        }
      ]
    }
  ]
}