curl --request PATCH \
  --url https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/ \
  --header 'Content-Type: application/json' \
  --header 'X-API-Version: <api-key>' \
  --header 'X-Client-ID: <api-key>' \
  --header 'X-Client-Secret: <api-key>' \
  --data '
{
  "buyer": {
    "pan_number": "CDEFG1234H",
    "dob": "1992-08-14"
  },
  "invoice": {
    "number": "INV_UPDATED_2024_1205",
    "date": "2024-12-05"
  }
}
'

import requests

url = "https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/"

payload = {
    "buyer": {
        "pan_number": "CDEFG1234H",
        "dob": "1992-08-14"
    },
    "invoice": {
        "number": "INV_UPDATED_2024_1205",
        "date": "2024-12-05"
    }
}
headers = {
    "X-Client-ID": "<api-key>",
    "X-Client-Secret": "<api-key>",
    "X-API-Version": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    'X-Client-ID': '<api-key>',
    'X-Client-Secret': '<api-key>',
    'X-API-Version': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    buyer: {pan_number: 'CDEFG1234H', dob: '1992-08-14'},
    invoice: {number: 'INV_UPDATED_2024_1205', date: '2024-12-05'}
  })
};

fetch('https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'buyer' => [
        'pan_number' => 'CDEFG1234H',
        'dob' => '1992-08-14'
    ],
    'invoice' => [
        'number' => 'INV_UPDATED_2024_1205',
        'date' => '2024-12-05'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Version: <api-key>",
    "X-Client-ID: <api-key>",
    "X-Client-Secret: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/"

	payload := strings.NewReader("{\n  \"buyer\": {\n    \"pan_number\": \"CDEFG1234H\",\n    \"dob\": \"1992-08-14\"\n  },\n  \"invoice\": {\n    \"number\": \"INV_UPDATED_2024_1205\",\n    \"date\": \"2024-12-05\"\n  }\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("X-Client-ID", "<api-key>")
	req.Header.Add("X-Client-Secret", "<api-key>")
	req.Header.Add("X-API-Version", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/")
  .header("X-Client-ID", "<api-key>")
  .header("X-Client-Secret", "<api-key>")
  .header("X-API-Version", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"buyer\": {\n    \"pan_number\": \"CDEFG1234H\",\n    \"dob\": \"1992-08-14\"\n  },\n  \"invoice\": {\n    \"number\": \"INV_UPDATED_2024_1205\",\n    \"date\": \"2024-12-05\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["X-Client-ID"] = '<api-key>'
request["X-Client-Secret"] = '<api-key>'
request["X-API-Version"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"buyer\": {\n    \"pan_number\": \"CDEFG1234H\",\n    \"dob\": \"1992-08-14\"\n  },\n  \"invoice\": {\n    \"number\": \"INV_UPDATED_2024_1205\",\n    \"date\": \"2024-12-05\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "success": true,
  "message": "Order updated successfully",
  "data": {
    "success": true,
    "message": "Order updated successfully",
    "data": {
      "order_id": "{Order_ID}",
      "buyer": {
        "pan_number": "CDEFG1234H",
        "dob": "1992-08-14"
      },
      "invoice": {
        "number": "INV_UPDATED_2024_1205",
        "date": "2024-12-05"
      }
    }
  }
}

{
  "success": false,
  "error": {
    "code": "ERR_ORDER_002",
    "message": "Validation error",
    "details": {
      "buyer": {
        "pan_number": "PAN number must be in format: AAAAA1111A (5 letters, 4 digits, 1 letter)"
      }
    }
  }
}

{
  "success": false,
  "error": {
    "code": "ERR_AUTH_000",
    "message": "Missing credentials",
    "details": {
      "authentication": "Missing credentials."
    }
  }
}

{
  "success": false,
  "error": {
    "code": "ERR_ORDER_001",
    "message": "Order not found",
    "details": {
      "order_id": "Order not found"
    }
  }
}

{
  "success": false,
  "error": {
    "code": "ERR_SERVICE_ERROR_000",
    "message": "Payment gateway error",
    "details": {
      "error": "An unexpected error occurred. Please try again later"
    }
  }
}