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POST
/
client-session
Create a client session
curl --request POST \
  --url https://sandbox-api.paynext.com/client-session \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{}'
{
  "currency_details": {
    "plan": {
      "due_now": {
        "local": {
          "amount": 90,
          "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_decimals": 2,
          "currency_position": "left",
          "currency_symbol": "$",
          "formatted_amount": "$1.00"
        }
      },
      "local": {
        "amount": 90,
        "currency_decimals": 2,
        "currency_exchange_rate": 0.9,
        "currency_position": "left",
        "currency_symbol": "€",
        "formatted_amount": "€0.90",
        "formatted_amount_rounded": "€0.99"
      },
      "payment": {
        "amount": 100,
        "currency_decimals": 2,
        "currency_position": "left",
        "currency_symbol": "$",
        "formatted_amount": "$1.00"
      },
      "trial": {
        "local": {
          "amount": 90,
          "currency_decimals": 2,
          "currency_exchange_rate": 0.9,
          "currency_position": "left",
          "currency_symbol": "€",
          "formatted_amount": "€0.90",
          "formatted_amount_rounded": "€0.99"
        },
        "payment": {
          "amount": 100,
          "currency_decimals": 2,
          "currency_position": "left",
          "currency_symbol": "$",
          "formatted_amount": "$1.00"
        }
      }
    }
  },
  "customer": {
    "address": {},
    "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",
  "id": "d3b07384-d9a5-4d16-a5b1-3fa3d9b0b123",
  "payment": {
    "metadata": {
      "key": "value"
    }
  },
  "plan": {
    "amount": 1999,
    "created_at": "2025-05-26T10:00:00Z",
    "id": "price_1a2b3c4d-5e6f-7a8b-9c0d-1e2f3a4b5c6d",
    "interval_count": 1,
    "name": "Pro Plan",
    "trial": {
      "amount": 1999,
      "interval_count": 1
    },
    "type": "recurring",
    "updated_at": "2025-05-27T10:00:00Z"
  },
  "subscription": {
    "id": "sub_11dfa45f-23b1-40f4-9e9b-c9d485915528",
    "metadata": {
      "key": "value"
    }
  }
}

Authorizations

​
Authorization
string
header
required

Authentication header of the form api key, where api key is your organization api key.

Headers

​
X-API-Version
enum<string>

Specifies the version of the API to use

Available options:
1.0.0

Body

application/json

Create session data

​
customer
object
​
options
object
​
payment
object
​
plan
object
​
subscription
object

Response

OK

​
currency_details
object

Currency-specific pricing and display information

​
customer
object

Customer information associated with the client session

​
expiry_date
string

Expiration date and time of the client session

Example:

"2021-08-12T16:14:08.578695"

​
id
string

ClientSession is a unique session identifier generated for the client

Example:

"d3b07384-d9a5-4d16-a5b1-3fa3d9b0b123"

​
payment
object

Payment information associated with the client session

​
plan
object

Plan information associated with the client session

​
subscription
object

Subscription information associated with the client session