curl --request POST \
  --url http://localhost:3500/v1/invoices/{id}/line-items \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "line_number": 123,
  "quantity": "<string>",
  "unit_price": "<string>",
  "total_excluding_vat": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    line_number: 123,
    quantity: '<string>',
    unit_price: '<string>',
    total_excluding_vat: '<string>'
  })
};

fetch('http://localhost:3500/v1/invoices/{id}/line-items', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:3500/v1/invoices/{id}/line-items"

payload = {
    "line_number": 123,
    "quantity": "<string>",
    "unit_price": "<string>",
    "total_excluding_vat": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "extraction_confirmed": true,
  "extraction_confirmed_at": "2023-11-07T05:31:56Z",
  "extraction_confirmed_by_user_id": "<string>",
  "invoice_number": "<string>",
  "title": "<string>",
  "category": "invoice",
  "issued_date": "2023-12-25",
  "due_date": "2023-12-25",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "deleted_at": "2023-11-07T05:31:56Z",
  "currency_code": "<string>",
  "total_amount_excluding_vat": "1250.00",
  "total_amount_including_vat": "1250.00",
  "financially_valid": true,
  "financial_errors": [
    {
      "code": "missing_financial_inputs",
      "field": "<string>",
      "message": "<string>"
    }
  ],
  "alert_summary": {
    "scope": {
      "type": "invoice",
      "agreement_ids": [
        "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      ]
    },
    "checks": {
      "status": "not_checkable",
      "completed": 1,
      "total": 1,
      "reasons": [
        "credit_note"
      ]
    },
    "counts": {
      "pending": 1,
      "claimed": 1,
      "dismissed": 1,
      "credited": 1
    },
    "is_fully_credited": true,
    "has_credit_note_match": true
  },
  "supplier_name": "<string>",
  "recipient_name": "<string>",
  "review_recommended": true,
  "extraction_confidence": "high",
  "relationships": {
    "linked_credit_note_count": 1,
    "matched_invoice_count": 1,
    "line_item_count": 123,
    "document_count": 123,
    "agreement_match_count": 123,
    "alert_count": 123
  },
  "supplier_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "recipient_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "supplier_snapshot": {
    "name": "<string>",
    "organization_number": "<string>",
    "main_name": "<string>",
    "department": "<string>",
    "email": "<string>",
    "website": "<string>",
    "address": {
      "street": "<string>",
      "city": "<string>",
      "state": "<string>",
      "postal_code": "<string>",
      "country_code": "<string>"
    }
  },
  "recipient_snapshot": {
    "name": "<string>",
    "organization_number": "<string>",
    "main_name": "<string>",
    "department": "<string>",
    "email": "<string>",
    "website": "<string>",
    "address": {
      "street": "<string>",
      "city": "<string>",
      "state": "<string>",
      "postal_code": "<string>",
      "country_code": "<string>"
    }
  },
  "payment_terms": "<string>",
  "invoice_note": "<string>",
  "additional_properties": [
    {
      "name": "<string>",
      "value": "<string>",
      "source_path": "<string>",
      "scheme": "<string>"
    }
  ],
  "original_currency_code": "<string>",
  "currency_conversion_rate": "1250.00",
  "original_total_amount_including_vat": "1250.00",
  "payment": {
    "reference": "<string>",
    "bank_account_number": "<string>",
    "status": "paid",
    "outstanding_amount": "1250.00",
    "override": {
      "outstanding_amount": "1250.00"
    },
    "integration_outstanding_amount": "1250.00"
  },
  "delivery": {
    "name": "<string>",
    "address": {
      "street": "<string>",
      "city": "<string>",
      "state": "<string>",
      "postal_code": "<string>",
      "country_code": "<string>"
    },
    "date": "2023-12-25"
  },
  "references": {
    "order_references": [
      "<string>"
    ],
    "buyer_reference": "<string>",
    "seller_reference": "<string>",
    "contract_reference": "<string>",
    "project_reference": "<string>",
    "accounting_cost": "<string>",
    "credit_note_invoice_reference": "<string>"
  },
  "origin": {
    "type": "structured",
    "import_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "source_system": "<string>",
    "source_invoice_id": "<string>"
  }
}

{
  "error": {
    "code": "validation_error",
    "message": "Invalid correction or category selection, including an invalid financial result.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "invalid_token",
    "message": "Missing or invalid bearer credential.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "Access denied: forbidden, token_disabled, organization_required, insufficient_role, or mfa_required. Check the error code and effective permissions.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "not_found",
    "message": "The resource does not exist in the current organization.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "conflict",
    "message": "Invoice, relationship, or claim conflict.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "The IP or authenticated credential exceeded its request limit.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "internal_error",
    "message": "Unexpected server failure. Include the request ID when contacting support.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "service_unavailable",
    "message": "Authentication infrastructure is unavailable or rate limited. Honor Retry-After when provided.",
    "request_id": "req_example"
  }
}