Create a client session

curl --request POST \
  --url https://sandbox-api.paynext.com/client-session \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-API-Version: <x-api-version>' \
  --data '{}'

const options = {
  method: 'POST',
  headers: {
    'X-API-Version': '<x-api-version>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({})
};

fetch('https://sandbox-api.paynext.com/client-session', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://sandbox-api.paynext.com/client-session"

	payload := strings.NewReader("{}")

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

	req.Header.Add("X-API-Version", "<x-api-version>")
	req.Header.Add("Authorization", "Bearer <token>")
	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.post("https://sandbox-api.paynext.com/client-session")
  .header("X-API-Version", "<x-api-version>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();

import requests

url = "https://sandbox-api.paynext.com/client-session"

payload = {}
headers = {
    "X-API-Version": "<x-api-version>",
    "Authorization": "Bearer <token>",
    "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://sandbox-api.paynext.com/client-session",
  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([
    
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "X-API-Version: <x-api-version>"
  ],
]);

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

curl_close($curl);

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

{
  "id": "d3b07384-d9a5-4d16-a5b1-3fa3d9b0b123",
  "currency_details": {
    "plan": {
      "due_now": {
        "local": {
          "amount": 90,
          "currency": "AED",
          "currency_decimals": 2,
          "currency_exchange_rate": 0.9,
          "currency_position": "left",
          "currency_symbol": "€",
          "formatted_amount": "€0.90",
          "formatted_amount_rounded": "€0.99"
        },
        "payment": {
          "amount": 100,
          "currency": "AED",
          "currency_decimals": 2,
          "currency_position": "left",
          "currency_symbol": "$",
          "formatted_amount": "$1.00"
        }
      },
      "local": {
        "amount": 90,
        "currency": "AED",
        "currency_decimals": 2,
        "currency_exchange_rate": 0.9,
        "currency_position": "left",
        "currency_symbol": "€",
        "formatted_amount": "€0.90",
        "formatted_amount_rounded": "€0.99"
      },
      "payment": {
        "amount": 100,
        "currency": "AED",
        "currency_decimals": 2,
        "currency_position": "left",
        "currency_symbol": "$",
        "formatted_amount": "$1.00"
      },
      "trial": {
        "local": {
          "amount": 90,
          "currency": "AED",
          "currency_decimals": 2,
          "currency_exchange_rate": 0.9,
          "currency_position": "left",
          "currency_symbol": "€",
          "formatted_amount": "€0.90",
          "formatted_amount_rounded": "€0.99"
        },
        "payment": {
          "amount": 100,
          "currency": "AED",
          "currency_decimals": 2,
          "currency_position": "left",
          "currency_symbol": "$",
          "formatted_amount": "$1.00"
        }
      }
    }
  },
  "customer": {
    "address": {
      "country": "AD"
    },
    "email": "jane.doe@example.com",
    "external_id": "cust_123456789",
    "id": "cus_11dfa45f-23b1-40f4-9e9b-c9d485915528",
    "metadata": {
      "key": "value"
    }
  },
  "expiry_date": "2021-08-12T16:14:08.578695",
  "payment": {
    "metadata": {
      "key": "value"
    }
  },
  "plan": {
    "id": "price_1a2b3c4d-5e6f-7a8b-9c0d-1e2f3a4b5c6d",
    "amount": 1999,
    "currency": "AED",
    "interval": "days",
    "interval_count": 1,
    "name": "Pro Plan",
    "trial": {
      "amount": 1999,
      "currency": "AED",
      "interval": "days",
      "interval_count": 1
    },
    "type": "recurring",
    "created_at": "2025-05-26T10:00:00Z",
    "updated_at": "2025-05-27T10:00:00Z"
  },
  "subscription": {
    "id": "sub_11dfa45f-23b1-40f4-9e9b-c9d485915528",
    "metadata": {
      "key": "value"
    },
    "proration_billing_mode": "prorated_immediately"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "message": "Missing required parameter: email",
    "code": "parameter_missing",
    "param": "email"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "message": "Missing required parameter: email",
    "code": "parameter_missing",
    "param": "email"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "message": "Missing required parameter: email",
    "code": "parameter_missing",
    "param": "email"
  }
}