curl --request GET \
  --url https://test-api.pasca.co/api/v1/einvoice/{IRN}/simple \
  --header 'API-KEY: <api-key>' \
  --header 'API-SECRET: <api-key>'

import requests

url = "https://test-api.pasca.co/api/v1/einvoice/{IRN}/simple"

headers = {
    "API-KEY": "<api-key>",
    "API-SECRET": "<api-key>"
}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'API-KEY': '<api-key>', 'API-SECRET': '<api-key>'}};

fetch('https://test-api.pasca.co/api/v1/einvoice/{IRN}/simple', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "status": false,
  "code": 400,
  "message": "Failed to validate invoice",
  "data": null,
  "error": {
    "id": "5c4c008e-8f1e-4034-a96b-8b352c143da5",
    "handler": "invoice_actions",
    "details": "this business does not exist",
    "public_message": "validation failed"
  },
  "timestamp": "2025-12-23T14:54:12.477393Z"
}

{
  "status": false,
  "code": 401,
  "message": "Unauthorized",
  "data": null,
  "error": {
    "details": "invalid or missing API credentials"
  }
}