curl --request POST \
  --url https://api.pramaan.dev/v1/capabilities/shipping.exchange.create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "exchangeOrderNumber": "EX-2",
  "returnOrderNumber": "RET-2",
  "orderDate": "2026-10-10",
  "sellerPickupLocation": "Warehouse",
  "sellerReturnLocation": "Warehouse",
  "buyerPickupAddress": {
    "firstName": "Alex",
    "street1": "1 Example Road",
    "city": "Delhi",
    "region": "Delhi",
    "postalCode": "110001",
    "country": "India",
    "phone": "9000000000",
    "email": "alex@example.com"
  },
  "buyerShippingAddress": {
    "firstName": "Alex",
    "street1": "1 Example Road",
    "city": "Delhi",
    "region": "Delhi",
    "postalCode": "110001",
    "country": "India",
    "phone": "9000000000",
    "email": "alex@example.com"
  },
  "items": [
    {
      "name": "Example item",
      "sku": "EX1",
      "quantity": 1,
      "unitPrice": 100,
      "exchangeItemId": "501",
      "exchangeItemName": "Example replacement",
      "exchangeItemSku": "EX2"
    }
  ],
  "paymentMethod": "prepaid",
  "returnReason": "29",
  "subtotal": 100,
  "exchangeParcel": {
    "length": 10,
    "width": 10,
    "height": 10,
    "weight": 1
  },
  "returnParcel": {
    "length": 10,
    "width": 10,
    "height": 10,
    "weight": 1
  }
}
'

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    exchangeOrderNumber: 'EX-2',
    returnOrderNumber: 'RET-2',
    orderDate: '2026-10-10',
    sellerPickupLocation: 'Warehouse',
    sellerReturnLocation: 'Warehouse',
    buyerPickupAddress: {
      firstName: 'Alex',
      street1: '1 Example Road',
      city: 'Delhi',
      region: 'Delhi',
      postalCode: '110001',
      country: 'India',
      phone: '9000000000',
      email: 'alex@example.com'
    },
    buyerShippingAddress: {
      firstName: 'Alex',
      street1: '1 Example Road',
      city: 'Delhi',
      region: 'Delhi',
      postalCode: '110001',
      country: 'India',
      phone: '9000000000',
      email: 'alex@example.com'
    },
    items: [
      {
        name: 'Example item',
        sku: 'EX1',
        quantity: 1,
        unitPrice: 100,
        exchangeItemId: '501',
        exchangeItemName: 'Example replacement',
        exchangeItemSku: 'EX2'
      }
    ],
    paymentMethod: 'prepaid',
    returnReason: '29',
    subtotal: 100,
    exchangeParcel: {length: 10, width: 10, height: 10, weight: 1},
    returnParcel: {length: 10, width: 10, height: 10, weight: 1}
  })
};

fetch('https://api.pramaan.dev/v1/capabilities/shipping.exchange.create', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.pramaan.dev/v1/capabilities/shipping.exchange.create"

payload = {
    "exchangeOrderNumber": "EX-2",
    "returnOrderNumber": "RET-2",
    "orderDate": "2026-10-10",
    "sellerPickupLocation": "Warehouse",
    "sellerReturnLocation": "Warehouse",
    "buyerPickupAddress": {
        "firstName": "Alex",
        "street1": "1 Example Road",
        "city": "Delhi",
        "region": "Delhi",
        "postalCode": "110001",
        "country": "India",
        "phone": "9000000000",
        "email": "alex@example.com"
    },
    "buyerShippingAddress": {
        "firstName": "Alex",
        "street1": "1 Example Road",
        "city": "Delhi",
        "region": "Delhi",
        "postalCode": "110001",
        "country": "India",
        "phone": "9000000000",
        "email": "alex@example.com"
    },
    "items": [
        {
            "name": "Example item",
            "sku": "EX1",
            "quantity": 1,
            "unitPrice": 100,
            "exchangeItemId": "501",
            "exchangeItemName": "Example replacement",
            "exchangeItemSku": "EX2"
        }
    ],
    "paymentMethod": "prepaid",
    "returnReason": "29",
    "subtotal": 100,
    "exchangeParcel": {
        "length": 10,
        "width": 10,
        "height": 10,
        "weight": 1
    },
    "returnParcel": {
        "length": 10,
        "width": 10,
        "height": 10,
        "weight": 1
    }
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "exchangeOrder": {
    "orderId": "<string>",
    "status": "<string>",
    "shipmentId": "<string>",
    "orderNumber": "<string>",
    "trackingNumber": "<string>",
    "pickupLocation": "<string>",
    "paymentMethod": "<string>",
    "total": {
      "amount": 5000000,
      "currency": "INR"
    },
    "parcel": {
      "length": 123,
      "width": 123,
      "height": 123,
      "weight": 123
    },
    "items": [
      {
        "name": "<string>",
        "sku": "<string>",
        "quantity": 5000,
        "unitPrice": 5000000,
        "discount": 5000000,
        "taxPercent": 50,
        "tariffCode": "<string>"
      }
    ],
    "billingAddress": {
      "firstName": "<string>",
      "street1": "<string>",
      "city": "<string>",
      "region": "<string>",
      "postalCode": "<string>",
      "country": "<string>",
      "phone": "<string>",
      "lastName": "<string>",
      "street2": "<string>",
      "email": "jsmith@example.com"
    },
    "shippingAddress": {
      "firstName": "<string>",
      "street1": "<string>",
      "city": "<string>",
      "region": "<string>",
      "postalCode": "<string>",
      "country": "<string>",
      "phone": "<string>",
      "lastName": "<string>",
      "street2": "<string>",
      "email": "jsmith@example.com"
    }
  },
  "returnOrder": {
    "orderId": "<string>",
    "status": "<string>",
    "shipmentId": "<string>",
    "orderNumber": "<string>",
    "trackingNumber": "<string>",
    "pickupLocation": "<string>",
    "paymentMethod": "<string>",
    "total": {
      "amount": 5000000,
      "currency": "INR"
    },
    "parcel": {
      "length": 123,
      "width": 123,
      "height": 123,
      "weight": 123
    },
    "items": [
      {
        "name": "<string>",
        "sku": "<string>",
        "quantity": 5000,
        "unitPrice": 5000000,
        "discount": 5000000,
        "taxPercent": 50,
        "tariffCode": "<string>"
      }
    ],
    "billingAddress": {
      "firstName": "<string>",
      "street1": "<string>",
      "city": "<string>",
      "region": "<string>",
      "postalCode": "<string>",
      "country": "<string>",
      "phone": "<string>",
      "lastName": "<string>",
      "street2": "<string>",
      "email": "jsmith@example.com"
    },
    "shippingAddress": {
      "firstName": "<string>",
      "street1": "<string>",
      "city": "<string>",
      "region": "<string>",
      "postalCode": "<string>",
      "country": "<string>",
      "phone": "<string>",
      "lastName": "<string>",
      "street2": "<string>",
      "email": "jsmith@example.com"
    }
  }
}

{
  "error": {
    "code": "addendum_required",
    "message": "<string>",
    "next": "<string>",
    "request_id": "<string>",
    "retryable": true,
    "effect": "none",
    "slot": "<string>",
    "required_micro": 123,
    "reason": "balance",
    "plan": "<string>",
    "needs": [
      {
        "kind": "approval",
        "detail": "<string>",
        "step": "<string>"
      }
    ]
  }
}