API Reference

Cancel a transaction

post
https://api-sandbox.retail.monext.com/v1/checkout/transactions//cancels

The function of the cancellation of a transaction is possible only if the transaction has been validated and not banked, so the customer has not been charged to his bank account.
The Reset function is used to cancel the sending to your bank of a debit or credit transaction made from the following functions: payment, debit, dredit, refund.

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Path Params
string
required

Transaction unique identifier

Body Params
int64
required
0 to 1000000000000000000

The amount is expressed in the smallest currency unit.
For example, 1€ value must be 100.
Shall be set to 0 for an account verification query.

string
length between 0 and 255

Description of reason for cancel. It can be viewed on the transaction log accessible through the Merchant Administration Center.

items
array of objects

The merchant must indicate the details of the order for a partial action on a transaction.

items
privateData
object

Additional data to be used throughout the payment lifecycle.
A dictionary of key-value pairs where the values can only be strings.
e.g. {"suborderid": "AE-3023-001", "chanel": "mobile"}

miscData
object

miscData can be transmit to the payment method partners.
Consult the payment method for each use.
miscData is a dictionary values can be of any type (aka free-form object) Example:
{ "key1": "value1", "key2": "value2" } or "SBCC": { "membershipStatus": "01", "deferredPayment": { "numberOfDays": "060" }

string

Merchant reference of the action on a transaction.

Headers
string
enum
Defaults to application/json

Generated from available response content types

Allowed:
Responses

Updated about 1 year ago

Language
Credentials
Basic
base64
:
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Response
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application/json
*/*

Updated about 1 year ago

Monext Retail API documentation
Monext 2025