curl --request POST \
  --url https://api.filexpress.app/api/external/pricing/promotions/evaluate \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "branch_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
  "items": [
    {
      "product_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
      "quantity": 2,
      "unit_price": 1.25
    },
    {
      "product_id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
      "quantity": 1,
      "unit_price": 12
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    branch_id: '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
    items: [
      {
        product_id: '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
        quantity: 2,
        unit_price: 1.25
      },
      {
        product_id: '3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01',
        quantity: 1,
        unit_price: 12
      }
    ]
  })
};

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

import requests

url = "https://api.filexpress.app/api/external/pricing/promotions/evaluate"

payload = {
    "branch_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "items": [
        {
            "product_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
            "quantity": 2,
            "unit_price": 1.25
        },
        {
            "product_id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
            "quantity": 1,
            "unit_price": 12
        }
    ]
}
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/pricing/promotions/evaluate",
  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',
    'items' => [
        [
                'product_id' => '9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11',
                'quantity' => 2,
                'unit_price' => 1.25
        ],
        [
                'product_id' => '3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01',
                'quantity' => 1,
                'unit_price' => 12
        ]
    ]
  ]),
  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,
  "data": {
    "items": [
      {
        "product_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
        "quantity": 2,
        "unit_price": 1.25,
        "promo_discount": 0.125,
        "promo_id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
        "promo_name": "2x1 en bebidas",
        "promo_type": "percentage"
      }
    ],
    "order_discounts": [
      {
        "promo_id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
        "promo_name": "Combo desayuno",
        "promo_type": "combo",
        "discount": 1
      }
    ],
    "totals": {
      "subtotal": 14.5,
      "item_discounts": 0.25,
      "order_discounts": 1,
      "total": 13.25
    }
  }
}

{
  "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": "Branch not found"
}

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

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