Checkout Session Object

{
  "id": "cs_li5531onlFDi235",
  "mode": "test",
  "flow": "payment",
  "ui_mode": "hosted",
  "amount": 350000,
  "object": "checkout_session",
  "status": "finished",
  "currency": "CLP",
  "metadata": {},
  "cancel_url": "https://merchant.com/987654321",
  "created_at": "2026-01-13T18:48:25Z",
  "expires_at": "2026-01-14T18:48:25Z",
  "success_url": "https://merchant.com/success",
  "redirect_url": "https://checkout.fintoc.com/checkout_session_01HXY3Z7X5YQ54V8G2E1KJQAVF",
  "session_token": null,
  "customer_email": null,
  "customer": {
    "name": "Felipe Castro",
    "email": "[email protected]",
    "metadata": {},
    "tax_id": {
      "type": "cl_rut",
      "value": "12088191"
    }
  },
  "payment_methods": [
    "payment_intent"
  ],
  "business_profile": {},
  "payment_resource": {
    "payment_intent": {
      "id": "pi_38DNJo3rbvGUzKFvCGZ6dxR1Kxx",
      "mode": "test",
      "amount": 350000,
      "object": "payment_intent",
      "status": "succeeded",
      "currency": "CLP",
      "metadata": {},
      "created_at": "2026-01-13T18:48:31Z",
      "expires_at": "2026-01-14T18:48:25Z",
      "error_reason": null,
      "payment_type": "bank_transfer",
      "reference_id": null,
      "widget_token": null,
      "customer_email": null,
      "sender_account": {
        "type": "checking_account",
        "number": "813990168",
        "holder_id": "415792638",
        "institution_id": "cl_banco_falabella"
      },
      "business_profile": {},
      "transaction_date": null,
      "recipient_account": null,
      "payment_type_options": {}
    }
  },
  "payment_method_options": {}
}
AttributeTypeDescription
idstringUnique identifier for the Checkout Session
created_atstringCheckout Session's creation date, using ISO 8601
objectstringIdentifier for the type of object. Its value for Checkout Session will always correspond to checkout_session
modestringIndicates whether the Checkout Session is in live mode or in test mode.
ui_modestringIndicates the user interface of the checkout. The available options are hosted, with a redirect to a Fintoc-hosted page, and embedded using for embedded buttons like Apple Pay.
currencystringCurrency ISO code. For now, we only support CLP and MXN.
amountintegerAmount to pay, represented as an integer. This value must always be greater than 0
customer_emailstringA customer email linked to a Checkout Session. This is used to notify a user in case of a refund. If you plan on using the refunds product, you must include this field in your requestIf you create a session without providing a customer_email, this field will be null in the response and no emails will be sent for that Checkout Session.
customer_datahashOptional data of the customer of the checkout session.
expires_atstringUTC timestamp in ISO 8601 format that indicates when the session will expire. It must be at least 10 minutes after the creation time.By default, it is set to 24 hours after the payment session is created.
session_tokenstringTemporary token to configure the widget.Will be null if success_url and cancel_url are sent when creating the session.
statusstringSession status. Can be either created, in_progress, finishedor expired
success_urlstringURL to redirect the user in case of payment succeeded.
cancel_urlstringURL to redirect the user in case they decide to cancel the payment and return to your website.
redirect_urlstringURL to redirect the user to complete the payment using the Fintoc widget.
metadatahashSet of key-value pairs that you can attach to an object. This can be useful for storing additional information about the object in a structured format.If you create a payment without providing metadata, this field will be null when receiving notifications about the final status.
payment_resourceobjectPayment resource associated to the session once the payment is finished. If the session has not finished or expired, this field will be null
payment_method_optionshashOptional array of settings for each available Payment Method
payment_methodsarrayOptional definition of the available payment method(s) for the session. Methods current available are payment_intent (bank transfers) and card
business_profilehashOptional object to identify enrolled merchants for category-based pricing.

Customer Object

Use this object to send data of the customer of the checkout session, like the tax_id (RUT in Chile), so Fintoc can display only the available payment methods for that specific customer, such as verifying if the amount exceeds the transaction limit for a selected bank in the payment initiation method.

AttributeTypeDescription
tax_idobject

Required object that identifies the customer at a fiscal or regulatory level.

It includes a type field indicating the format or country-specific identifier (for example, "cl_rut" for Chilean RUT) and a value field containing the actual tax identification number as a string.

namestringOptional full name of the customer.
emailstringOptional customer email linked to a Checkout Session. This is used to notify a user in case of a refund.
metadataobjectOptional custom data that can store additional information about the customer (e.g., internal IDs, CRM references, or tags)

Payment Intent Options

Use these options to configure the Payment Intent Payment Method when creating a Checkout Session

AttributeTypeDescription
recipient_accountstringObject that points to the recipient account. Take a look at the Recipient Acccount object table below to learn more. If you use Fintoc Collects for payments, omit this object during payment creation for better stability.
sender_accountstring

Object that points to the sender account. Take a look at the Sender Acccount object table below to learn more.

When you receive final payment status notifications, sender_account may be null if the user abandoned the payment before specifying a sender account.

Recipient Account Object

AttributeTypeDescription
holder_idstringIdentifier of the owner of the account. In Chile, the value corresponds to a RUT and in Mexico it's either an RFC or CURP. The editable field indicates whether the user is allowed to change the preset username or not.
numberstringAccount number. Does not include hyphens or prefixed zeros
typestringAccount type. It can be checking_account or sight_account
institution_idstringAccount's institution id. You can learn more about institutions and their ids here

Sender Account Object

AttributeTypeDescription
holder_idobjectIdentifier of the owner of the account. In Chile, it corresponds to a RUT and in Mexico it's the user's phone number.
institution_idstringOnly for CL 🇨🇱
Account's institution id. You can learn more about institutions and their ids here

Business Profile Object

AttributeTypeDescription
namestringEnrolled merchant´s name. If set, will be shown as the "Recipient" on the succeeded payment screen.
categorystringIdentifier of the category of the enrolled merchant. In Chile, it corresponds to a 6 character SII activity code.
tax_idstringEnrolled merchant's tax identifier. In Chile, it corresponds to a RUT.