Payment-Start-v2

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Barion API: Initialize a new payment

POST /v2/Payment/Start

The /payment/start API endpoint is used to create a new payment in the Barion system.

Prerequisites before use:


v2 This API endpoint is available in API v2 only.

Use cases

This API endpoint is designed to be used in the following scenarios:

Input properties

3DS
 Properties marked with this must be provided to comply with 3DS authentication.
Property name Property type Limitations and constraints Description
POSKey Guid
  • Required
 The secret API key of the shop, generated by Barion. This lets the shop to authenticate through the Barion API, but does not provide access to the account owning the shop itself.
PaymentType string
  • Required
  • Accepted values:
    • "Immediate"
    • "Reservation"
 The type of the payment, which can be either immediate or a money reservation. Reservation means that the shop has a time window to finish the payment (even though the money transaction still takes place immediately). Reservation amounts can be modified during this time window unless the new amount is lower than the original.

Click here to learn more about reservation payments: Reservation payments

ReservationPeriod TimeSpan (d:hh:mm:ss)
  • Required only if PaymentType is "Reservation"
  • Minimum value: one minute
  • Maximum value: one year
  • Default value: 30 minutes
 Only makes sense at reservation payments. This is the time window that allows the shop to finish (finalize) the payment. If this does not happen within the time window, the system refunds the payment amount to the payer.
PaymentWindow TimeSpan (d:hh:mm:ss)
  • Optional
  • Minimum value: one minute
  • Maximum value: one week
  • Default value: 30 minutes
 Time window for the payment to be completed. The payer must execute the payment before this elapses, or else the payment will expire and can no longer be completed.
GuestCheckOut bool
  • Required
  • Value must be "true" or "false", integer evaulation is not supported
 Flag indicating wether the payment can be completed without a registered Barion wallet. Guest checkout can only be done with bank cards, and the payer must supply a valid e-mail address - this is necessary for fraud control.
InitiateRecurrence bool
  • Optional
 This flag indicates that the shop would like to initialize a token payment. This means that the shop is authorized to charge the funding source of the payer in the future without redirecting her/him to the Barion Smart Gateway. It can be used for one-click and susbscription payment scenarios.

Click here to learn more about token payments: Token_payment

RecurrenceId string
  • Required when executing authorized payments
  • Maximum length: 100 characters
  • Must be unique per shop and per user
 A string used to identify a given authorized payment. Its purpose is determined by the value of the InitiateRecurrence property.
  • If InitiateRecurrence is true, this property must contain a new desired identifier for a new authorized payment. This should be generated and stored by the shop before calling the API. Also the shop must ensure that this is unique per user in its own system.
  • If InitiateRecurrence is false, this property must contain an existing identifier for an authorized payment. This should be used to charge a payer's funding source (either bank card or Barion wallet) that was already used successfully for a payment in the shop.
FundingSources string[]
  • Required
  • Accepted values:
    • "All"
    • "Balance"
 An array of strings containing the allowed funding sources that can be used to complete the payment. "Balance" means that the payer can only use their Barion wallet balance, while "All" means the payment can be completed with either a Barion wallet or a bank card.

Note: There is no option to disallow payment by balance, since that would deny Barion Wallet users with a balance the ability to pay. There is an option to exclude cards, but not balance.

Note: this must be supplied as an array, because more funding source types are planned in the future.

PaymentRequestId string
  • Required
  • Maximum length: 100 characters
 The unique identifier for the payment generated by the shop. This is so the shop can track its own payment identifiers. It is also useful for bookkeeping purposes since this shows up in the monthly account statement and the transaction history export, making identification of payments easier for the shop.
PayerHint string
  • Optional
  • Maximum length: 256 characters
 The shop can optionally supply an e-mail address as a hint on who should complete the payment. This can be used if the shop is certain about that the payer has an active Barion wallet or the shop would like to help the guest payer with filling in the email field for her/him. If provided, the Barion Smart Gateway automatically fills out the e-mail address field in the Barion wallet login form and the guest payer form, speeding up the payment process.
RedirectUrl string
  • Required
  • Maximum length: 2000 characters
 The URL where the payer should be redirected after the payment is completed or cancelled. The payment identifier is added to the query string part of this URL in the paymentId parameter. If not provided, the system will use the redirect URL assigned to the shop that started the payment.
CallbackUrl string
  • Required
  • Maximum length: 2000 characters
 The URL where the Barion system sends a request whenever there is a change in the state of the payment. The payment identifier is added to the query string part of this URL in the paymentId parameter. Click here to learn more about the callback mechanism: Payment callback mechanism (IPN)
Transactions PaymentTransaction[]
  • Required
 An array of payment transactions contained in the payment. A payment must contain at least one such transaction. See the PaymentTransaction page for the appropriate structure and syntax.

Defining multiple transactions allow the payment initiator to distribute the payment amount between multiple shops. See the following page to learn more: Facilitated payments

OrderNumber string
  • Optional
  • Maximum length: 100 characters
 The order number generated by the shop. This is to aid the shop in identifying a given payment in their own system. This also shows up in generated monthly account statements and transaction history exports, so it also helps with bookkeeping.
ShippingAddress ShippingAddress
  • Required for
    3DS
 The shipping address associated with the payment, if applicable. Providing this is recommended, because it helps the automatic anti-fraud analysis get more accurate results. See the ShippingAddress page for the appropriate structure and syntax.
Locale string
  • Required
  • Maximum length: 10 characters
  • Accepted values:
    • "cs-CZ" (Czech)
    • "de-DE" (German)
    • "en-US" (English)
    • "es-ES" (Spanish)
    • "fr-FR" (French)
    • "hu-HU" (Hungarian)
    • "sk-SK" (Slovak)
    • "sl-SI" (Slovenian)
    • "el-GR" (Greek)
 This indicates in which language the Barion Smart Gateway should display for the payer upon redirect.
Currency string
  • Required
  • Required length: 3 characters
  • Accepted values:
    • "CZK" (Czech crown)
    • "EUR" (Euro)
    • "HUF" (Hungarian forint)
    • "USD" (U.S. dollar)
 The currency of the payment. Must be supplied in ISO 4217 format. This affects all transactions included in the payment; it is not possible to define multiple transactions in different currencies.
PayerPhoneNumber string
  • Required for
    3DS
  • Max length: 30 characters
  • Expected format: 36701231234
  • Required for using payment buttons
 The phone number of the payer. Must be set to enable payment buttons.
PayerWorkPhoneNumber string
  • Required for
    3DS
  • Max length: 30 characters
  • Expected format: 36701231234
 The work phone of the payer
PayerHomeNumber string
  • Required for
    3DS
  • Max length: 30 characters
  • Expected format: 36701231234
  • Required for using payment buttons
 The home phone number of the payer.
BillingAddress BillingAddress
  • Required for
    3DS
 The billing address associated with the payment, if applicable.
PayerAccount PayerAccountInformation
  • Required for
    3DS
 Information about the account of the payer in the merchant's system.
PurchaseInformation PurchaseInformation
  • Required for
    3DS
 Information about current purchase.

Output properties

Property name Property type Description
PaymentId Guid The identifier of the newly initialized payment, generated by the Barion system.
PaymentRequestId string The payment identifier supplied by the API caller in the request.
Status PaymentStatus The status of the payment in the Barion system.
QRUrl string URL for a QR code representing the payment. This is useful in physical real life situations where the payer uses a mobile device.
RecurrenceResult RecurrenceResult Indicates the result of an authorized payment scenario. The result depends on the values of the InitiateRecurrence and RecurrenceId properties supplied in the request.
  • If InitiateRecurrence was true, and a new authorized payment was successfully created, this will be None (because no actual token charge took place yet)
  • If InitiateRecurrence was false, but a previously authorized payment identifier was supplied in RecurrenceId, the system will try to charge the funding source associated with the authorized payment. If this charge is successful, the result is Successful. If the system could not charge the funding srouce, the result is Failed. If the given identifier is invalid or does not exist, the result is NotFound.
Transactions ProcessedTransaction[] An array containing all transactions associated with the payment. If the Barion system deducts fees from the shop after payments, this also contains these additional fee transactions beside the payment transactions that were sent in the request.
GatewayUrl string The URL of the Barion Smart Gateway (including the payment identifier), where the API caller should redirect the payer.
CallbackUrl string The URL (including the payment identifier) where the Barion system will send a request to whenever there is a change in the state of the payment. If an explicit URL was not supplied, this will be the callback URL associated with the shop that started the payment.
RedirectUrl string The URL (including the payment identifier) where the payer gets redirected to after the payment is completed or cancelled. If an explicit URL was not supplied, this will be the redirect URL associated with the shop that started the payment.
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